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Costa Rica

Puntarenas weather & best time to visit

Sun, sea & sand

Puntarenas at a glance

Best time
Dec – Mar
Warmest month
Mar · 35°
Warmest sea
Apr · 29.4°
Sunshine a year
2,220 h
Rain a year
2,473 mm
Climate
Tropical
Time zone
UTC−6
Elevation
1 m

Climate in Puntarenas

Puntarenas has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. March is the warmest month with average highs of 35 °C, while October is the coolest at 30 °C. With around 2,220 hours of sunshine a year, Puntarenas is sunny; February is the sunniest month with 8.7 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Puntarenas

The best time to visit Puntarenas is from December to March. For a beach holiday – sea from 21 °C, warm and mostly dry – go from January to March. From February to April it can get very hot, with highs of up to 35 °C. The rainy season is from May to October; the wettest month is October with 413 mm.

Puntarenas through the seasons

How the weather changes over the seasons, with averages for each.

Puntarenas in the dry season

Nov – Apr

75

Good

  • 30–35 °C by day
  • Sea 29 °C
  • 7.5 h of sun a day
  • 74 rainy days in all

Puntarenas in the rainy season

May – Oct

65

Good

  • 30–32 °C by day
  • Sea 29 °C
  • 4.7 h of sun a day
  • 174 rainy days in all

Which month for what?

Beach & swimming

Jan – Mar

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Peak heat

Feb – Apr

Highs of 33 °C or more

Rainy months

May – Oct

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Puntarenas for you.

Swimming in the sea
Sunshine
Little rain

Your best months: December – February

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

63

Holiday weather in October

Good

Best time to visit: December – March

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 26°
  2. Midday, 13:00: about 30°
  3. Afternoon, 16:00: about 29°
  4. Evening, 20:00: about 25°
  5. Night, 23:00: about 24°

05:2717:23

Warm enough for a T-shirt in the evening.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 05:14–05:55 · evening 16:54–17:36
Blue hour
Morning 05:06–05:14 · evening 17:36–17:44

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Puntarenas compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs stay at about 30° from start to end. The sea cools from 29° to 28°. The days get 0.3 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high30°30°
Night-time low22°22°
Sea29°28°
Daylight12.0 h11.8 h

What is the weather like in Puntarenas in October?

In October, Puntarenas is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 4.0 hours of sunshine a day. It is the rainy season: rain falls on about 30 days, totalling 413 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Puntarenas.

More details for October

Daylight
11 h 55 min05:27 – 17:23
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
87 %on averageAll months
Hot days
18 days30 °C or moreAll months
Time zone
UTC−6offset from UTC

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %17 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Compare two months in Puntarenas

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

January has the better holiday weather in Puntarenas: score 86 against 63. In January, days are 3 °C warmer than in October. The sea is about as warm in both months. January has 23 fewer rainy days. The sun shines 4 hours longer a day in January.

October vs January, Puntarenas
MonthOctoberJanuary
Holiday weather score6386better
Daytime high30°33°
Night-time low22°21°
Sea28.3°28.7°
Sunshine4.0 h8.3 hbetter
Rainy days307better
Rainfall413 mm20 mmbetter
Muggy days3131

Based on the climate averages 1996–2025.

Puntarenas month by month

The typical weather for every month at a glance.

86January33° · Sea 29° · 8.3 h

In January, Puntarenas is hot: daytime highs average 33 °C, and even at night it stays warm at around 21 °C. The sea averages 28.7 °C – lovely and warm for swimming. The sun shines for around 8.3 hours a day. Rain falls on about 7 days, adding up to 20 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Puntarenas.

Puntarenas in January
83February34° · Sea 29° · 8.7 h

In February, Puntarenas is very hot: daytime highs average 34 °C, and even at night it stays warm at around 22 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 8.7 hours a day. Rain is rare: about 4 days bring 15 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Puntarenas.

Puntarenas in February
75March35° · Sea 29° · 8.6 h

In March, Puntarenas is very hot: daytime highs average 35 °C, and even at night it stays warm at around 22 °C. The sea averages 29.3 °C – almost as warm as a bath. The sun shines for around 8.6 hours a day. Rain falls on about 7 days, adding up to 22 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, March is a good month for a holiday in Puntarenas.

Puntarenas in March
63April34° · Sea 29° · 7.6 h

In April, Puntarenas is very hot: daytime highs average 34 °C, and even at night it stays warm at around 23 °C. The sea averages 29.4 °C – almost as warm as a bath. The sun shines for around 7.6 hours a day. It rains often – on about 18 days, adding up to 80 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, April is a good month for a holiday in Puntarenas.

Puntarenas in April
64May32° · Sea 29° · 5.3 h

In May, Puntarenas is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 5.3 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 332 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a good month for a holiday in Puntarenas.

Puntarenas in May
66June31° · Sea 29° · 4.8 h

In June, Puntarenas is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 4.8 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 327 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in Puntarenas.

Puntarenas in June
65July31° · Sea 29° · 4.9 h

In July, Puntarenas is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 4.9 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 309 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Puntarenas.

Puntarenas in July
66August31° · Sea 29° · 4.8 h

In August, Puntarenas is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 4.8 hours of sunshine a day. It is the rainy season: rain falls on about 30 days, totalling 332 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Puntarenas.

Puntarenas in August
64September31° · Sea 29° · 4.3 h

In September, Puntarenas is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 4.3 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 324 mm. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Puntarenas.

Puntarenas in September
63October30° · Sea 28° · 4.0 h

In October, Puntarenas is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 4.0 hours of sunshine a day. It is the rainy season: rain falls on about 30 days, totalling 413 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Puntarenas.

Puntarenas in October
66November30° · Sea 28° · 4.9 h

In November, Puntarenas is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. The sea averages 27.9 °C – lovely and warm for swimming. Expect around 4.9 hours of sunshine a day. It rains often – on about 25 days, adding up to 236 mm. On about 20 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in Puntarenas.

Puntarenas in November
78December31° · Sea 28° · 7.0 h

In December, Puntarenas is hot: daytime highs average 31 °C, and even at night it stays warm at around 21 °C. The sea averages 28.3 °C – lovely and warm for swimming. The sun shines for around 7.0 hours a day. Rain is frequent, with about 14 rainy days and 62 mm in total. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Puntarenas.

Puntarenas in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Puntarenas

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Warm 20–24°
  • muggy month (15+ muggy days)

WarmOctober: nights around 22°. Tropical nights: a fan or air conditioning helps. Muggy on about 31 days (dew point 18 °C or more).

The coolest nights are in January (21°), the warmest in May (23°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) all year, on about 362 days a year.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 30°Night 22°Sea 28°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan8633°21°28.7°8.3 h720
FebruaryFeb8334°22°28.9°8.7 h415
MarchMar7535°22°29.3°8.6 h722
AprilApr6334°23°29.4°7.6 h1880
MayMay6432°23°29.3°5.3 h28332
JuneJun6631°23°29.0°4.8 h29327
JulyJul6531°23°29.0°4.9 h29309
AugustAug6631°22°29.1°4.8 h30332
SeptemberSep6431°22°28.9°4.3 h29324
OctoberOct6330°22°28.3°4.0 h30413
NovemberNov6630°22°27.9°4.9 h25236
DecemberDec7831°21°28.3°7.0 h1462

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

9.98° N, 84.84° W · 1 m · America/Costa_Rica

Swimming calendar

Sea temperature in Puntarenas

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October28.3°Cwarm

8 in 10 years: 27.3 – 29.2 °C

Swimming season: all year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 28.3°8 in 10 years 27.3° – 29.2°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Puntarenas ranges from 27.9 °C in November to 29.4 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

The sea warms up slowly: it is warmest in April, while the air already peaks in March. The sea temperature varies from year to year: in April, eight out of ten years were between 28.9 and 30.0 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan28.7°27.8°29.5°warm
FebruaryFeb28.9°28.2°29.8°warm
MarchMar29.3°28.8°29.8°very warm
AprilApr29.4°28.9°30.0°very warm
MayMay29.3°28.7°30.1°very warm
JuneJun29.0°28.4°29.5°very warm
JulyJul29.0°28.5°29.7°very warm
AugustAug29.1°28.3°30.0°very warm
SeptemberSep28.9°28.2°29.6°warm
OctoberOct28.3°27.3°29.2°warm
NovemberNov27.9°26.9°28.6°warm
DecemberDec28.3°27.3°29.0°warm
Sunshine

Sunshine hours in Puntarenas

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,220 hours
Sunniest month
Feb · 8.7 h a day
Least sunshine
Oct · 4.0 h a day
OctoberSunshine 4.0 hDaylight 11.9 hShare of daylight 34 %
SunshineDaylight

In October, the sun shines for about 4.0 of 11.9 hours of daylight in Puntarenas, 34 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Puntarenas: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
2,473 mm on 248 days
Wettest month
Oct · 413 mm
Driest month
Feb · 15 mm
OctoberRainy days 30Rainfall 413 mm

In October, Puntarenas has about 30 rainy days with 413 mm of rain in total.

Sun protection

UV index in Puntarenas

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
12 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.

The sun is strongest in April (UV 13).

Minutes until sunburn in October

Very fair skin
about 10 min
Fair skin
about 15 min
Light brown skin
about 20 min
Olive skin
about 25 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds

Wind and clouds in Puntarenas

How breezy and how cloudy Puntarenas is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
14 km/h · gentle breeze
Windiest month
Apr · 17 km/h
Calmest month
Nov · 12 km/h
OctoberWind 13 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Puntarenas typically peaks at 13 km/h during the day: Beaufort 3, gentle breeze.

Breezy months for windsurfing and kiting

The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
66 % · mostly cloudy
Clearest month
Feb · 27 %
Cloudiest month
Jun · 89 %
OctoberCloud cover 87 %Sunshine 4.0 h

In October, cloud covers on average 87 % of the sky over Puntarenas: mostly overcast, with about 4.0 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Puntarenas

How often the day gets hot in Puntarenas (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
314 days
Hottest month
Mar · 35 °C
Hot months
All year

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 18Daytime high 30 °C

In October, Puntarenas has about 18 hot days, with an average daytime high of 30 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Puntarenas

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Puntarenas in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Puntarenas has its best school-holiday weather during the Christmas holidays (score 82) and its weakest during October half-term (score 63).

  • Easter holidays

    Mar – Apr

    67

    Good

    • 34 °C by day
    • Sea 29 °C
    • 7.9 h of sun a day
    • 14 rainy days a month

    Keep in mind: Peak heat

  • May half-term

    May – Jun

    64

    Good

    • 32 °C by day
    • Sea 29 °C
    • 5.2 h of sun a day
    • 28 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    66

    Good

    • 31 °C by day
    • Sea 29 °C
    • 4.8 h of sun a day
    • 29 rainy days a month

    Keep in mind: Frequent rain

  • October half-term

    Oct

    63

    Good

    • 30 °C by day
    • Sea 28 °C
    • 4.0 h of sun a day
    • 30 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    82

    ExcellentBest holidays

    • 32 °C by day
    • Sea 29 °C
    • 7.7 h of sun a day
    • 10 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 11 h 5 min
Distance
8,750 km
Time zone
UTC−6
Jet lag
About 5 days (7 h west)

Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Compare & alternatives

Compare

Puntarenas compared

Put Puntarenas side by side with another destination.

Nearby:
Compare with home:

Puntarenas vs San José

In October the holiday weather in Puntarenas and San José is about equally good (score 63 vs 60). During the day San José is 1 °C cooler than Puntarenas. San José gets one hour less sunshine a day.

Puntarenas vs San José, in October
in OctoberPuntarenasSan José
Holiday weather score6360
Daytime high30°29°
Sea28°no sea nearby
Sunshine4 h3 h
Rainy days3029
Best timeDec – MarDec – Mar

Through the year

OctoberPuntarenas 30°San José 29°
PuntarenasSan José
Go to San José, Costa Rica
Ranking

Costa Rica in October: the best places

In October, Puntarenas ranks 2 of 5 destinations in this country.

  1. Tamarindo31°28°64
  2. 2PuntarenasThis page30°28°63
  3. 3Limón33°29°56
  4. 4San José29°40
  5. 5Liberia33°16
All destinations: Costa Rica

Near Puntarenas

Other destinations close by.

Places with a climate like Puntarenas

Destinations whose weather through the year is closest to Puntarenas's – good alternatives.

  1. 84 % similar63DavidPanama29°28°Best time: Dec – Mar
  2. 77 % similar63Khao LakThailand31°29°Best time: Dec – Mar
  3. 76 % similar59Patong, PhuketThailand32°29°Best time: Nov – Mar
  4. 75 % similar64Koh LantaThailand31°29°Best time: Dec – Mar

Frequently asked questions about Puntarenas

When is the best time to visit Puntarenas?

The best time to visit Puntarenas is from December to March. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Puntarenas?

The sea temperature in Puntarenas ranges from 27.9 °C in November to 29.4 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

Can you swim in Puntarenas in October?

Yes. In October the sea averages 28.3 °C – lovely and warm for swimming.

What is the warmest month in Puntarenas?

March is the warmest month, with average highs of 35 °C and nights around 22 °C. October is the coolest month at 30 °C.

When does it rain most in Puntarenas?

The rainy season is from May to October; the wettest month is October with 413 mm. The driest month is February with 15 mm.

How many hours of sunshine does Puntarenas get?

Puntarenas gets around 2,220 hours of sunshine a year. The sunniest month is February with 8.7 hours a day; in October there are 4.0 hours a day.

What time zone is Puntarenas in?

Puntarenas is on UTC−6 all year.

How long is the flight from London to Puntarenas?

A nonstop flight from London to Puntarenas takes about 11 h 5 min, for a straight-line distance of about 8,750 km.

Which school holidays are best for Puntarenas?

Puntarenas has its best school-holiday weather during the Christmas holidays (score 82) and its weakest during October half-term (score 63). Holiday ratings (0–100): Easter holidays 67, May half-term 64, summer holidays 66, October half-term 63, Christmas holidays 82.