Tamarindo, Costa Rica at a glance
- Best time
- Dec – Apr
- Warmest month
- Mar · 33°
- Warmest sea
- May · 29.2°
- Sunshine a year
- 2,600 h
- Rain a year
- 1,968 mm
- Climate
- Tropical
- Time zone
- UTC−6
- Elevation
- 11 m
Climate in Tamarindo, Costa Rica
Tamarindo, Costa Rica 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 33 °C, while October is the coolest at 28 °C. With around 2,600 hours of sunshine a year, Tamarindo, Costa Rica is sunny; February is the sunniest month with 10.1 hours a day.
Weather in October
Holiday weather in October
Good
Best time to visit: December – April
What is the weather like in Tamarindo, Costa Rica in October?
In October, Tamarindo, Costa Rica is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.4 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 371 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Tamarindo, Costa Rica.
More details for October
- Daylight
- 11 h 55 min05:32 – 17:26
- UV index
- 12 · extremeclear sky, noon (estimate)
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 13 km/haverage daily peak
- Cloud cover
- 85 %on average
- Hot days
- 3 days30 °C or more
- Time zone
- UTC−6America/Costa_Rica
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %28 %
- 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
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Tamarindo, Costa Rica
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 27.8 – 29.2 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Tamarindo, Costa Rica ranges from 27.8 °C in February to 29.2 °C in May. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in May, while the air already peaks in March. From September to October the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in May, eight out of ten years were between 28.4 and 30.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 28.0° | 27.1° | 28.6° | warm |
| FebruaryFeb | 27.8° | 26.9° | 28.8° | warm |
| MarchMar | 28.2° | 27.3° | 29.1° | warm |
| AprilApr | 29.0° | 28.3° | 29.5° | very warm |
| MayMay | 29.2° | 28.4° | 30.0° | very warm |
| JuneJun | 29.0° | 28.3° | 29.6° | very warm |
| JulyJul | 28.9° | 28.4° | 29.4° | warm |
| AugustAug | 29.0° | 28.5° | 29.6° | very warm |
| SeptemberSep | 28.9° | 28.3° | 29.5° | warm |
| OctoberOct | 28.4° | 27.8° | 29.2° | warm |
| NovemberNov | 27.9° | 27.0° | 28.5° | warm |
| DecemberDec | 27.9° | 27.0° | 28.8° | warm |
Sunshine hours in Tamarindo, Costa Rica
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.7 of 11.9 hours of daylight in Tamarindo, Costa Rica, 39 % of the day.
Sunshine hours count the time with bright, direct sunshine (WMO definition, estimated from model data); daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Tamarindo, Costa Rica: 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.
In October, Tamarindo, Costa Rica has about 28 rainy days with 371 mm of rain in total.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 98 | 31° | 24° | 28.0° | 9.6 h | 1 | 3 |
| FebruaryFeb | 93 | 32° | 24° | 27.8° | 10.1 h | 1 | 3 |
| MarchMar | 89 | 33° | 25° | 28.2° | 10.1 h | 2 | 6 |
| AprilApr | 83 | 33° | 26° | 29.0° | 8.9 h | 8 | 38 |
| MayMay | 70 | 31° | 26° | 29.2° | 6.1 h | 23 | 245 |
| JuneJun | 68 | 29° | 25° | 29.0° | 5.3 h | 27 | 311 |
| JulyJul | 70 | 30° | 25° | 28.9° | 5.9 h | 23 | 210 |
| AugustAug | 68 | 30° | 25° | 29.0° | 5.5 h | 26 | 281 |
| SeptemberSep | 66 | 29° | 25° | 28.9° | 4.9 h | 29 | 339 |
| OctoberOct | 66 | 28° | 25° | 28.4° | 4.7 h | 28 | 371 |
| NovemberNov | 74 | 29° | 24° | 27.9° | 6.0 h | 15 | 147 |
| DecemberDec | 98 | 30° | 24° | 27.9° | 8.5 h | 3 | 15 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)
10.30° N, 85.84° W · 11 m · America/Costa_Rica
Best time to visit Tamarindo, Costa Rica
The best time to visit Tamarindo, Costa Rica is from December to April. For a beach holiday with the sea above 21 °C, go from December to April. From March to April it can get very hot, with highs of up to 33 °C. Rain is most frequent from May to November; the wettest month is October with 371 mm.
Find your perfect month
Tell us what you like and we rate every month in Tamarindo, Costa Rica for you.
Your best months: December – February
Based on the climate averages; tap a month to see its details.
Which month for what?
Beach & swimming
Dec – Apr
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Peak heat
Mar – Apr
Highs of 33 °C or more
Rainy months
May – Nov
12 or more rainy days
Tamarindo, Costa Rica month by month
The typical weather for every month at a glance.
98January31° · Sea 28° · 10 h
In January, Tamarindo, Costa Rica is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.0 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 27 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 Tamarindo, Costa Rica.
Tamarindo, Costa Rica in January93February32° · Sea 28° · 10 h
In February, Tamarindo, Costa Rica is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 27.8 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Tamarindo, Costa Rica.
Tamarindo, Costa Rica in February89March33° · Sea 28° · 10 h
In March, Tamarindo, Costa Rica is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 28.2 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 31 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Tamarindo, Costa Rica.
Tamarindo, Costa Rica in March83April33° · Sea 29° · 9 h
In April, Tamarindo, Costa Rica is very hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sea averages 29.0 °C – almost as warm as a bath. The sun shines for around 9 hours a day. Rain falls on about 8 days, adding up to 38 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Tamarindo, Costa Rica.
Tamarindo, Costa Rica in April70May31° · Sea 29° · 6 h
In May, Tamarindo, Costa Rica is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 245 mm. On about 19 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 Tamarindo, Costa Rica.
Tamarindo, Costa Rica in May68June29° · Sea 29° · 5 h
In June, Tamarindo, Costa Rica is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 311 mm. On about 9 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 Tamarindo, Costa Rica.
Tamarindo, Costa Rica in June70July30° · Sea 29° · 6 h
In July, Tamarindo, Costa Rica is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 210 mm. On about 12 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 Tamarindo, Costa Rica.
Tamarindo, Costa Rica in July68August30° · Sea 29° · 6 h
In August, Tamarindo, Costa Rica is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 281 mm. On about 11 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 Tamarindo, Costa Rica.
Tamarindo, Costa Rica in August66September29° · Sea 29° · 5 h
In September, Tamarindo, Costa Rica is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 339 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Tamarindo, Costa Rica.
Tamarindo, Costa Rica in September66October28° · Sea 28° · 5 h
In October, Tamarindo, Costa Rica is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.4 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 371 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Tamarindo, Costa Rica.
Tamarindo, Costa Rica in October74November29° · Sea 28° · 6 h
In November, Tamarindo, Costa Rica is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 27.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 15 days, totalling 147 mm. The air is often humid and muggy. All in all, November is a good month for a holiday in Tamarindo, Costa Rica.
Tamarindo, Costa Rica in November98December30° · Sea 28° · 9 h
In December, Tamarindo, Costa Rica is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is rare: about 3 days bring 15 mm in total. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Tamarindo, Costa Rica.
Tamarindo, Costa Rica in DecemberPlanning a trip to Tamarindo, Costa Rica
Getting there
Flying from
- Nonstop flight
- about 11 h 5 min
- Distance
- 8,800 km
- Time zone
- UTC−6
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Tamarindo, Costa Rica
When is the best time to visit Tamarindo, Costa Rica?
The best time to visit Tamarindo, Costa Rica is from December to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Tamarindo, Costa Rica?
The sea temperature in Tamarindo, Costa Rica ranges from 27.8 °C in February to 29.2 °C in May. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Tamarindo, Costa Rica in October?
Yes. In October the sea averages 28.4 °C – lovely and warm for swimming.
What is the warmest month in Tamarindo, Costa Rica?
March is the warmest month, with average highs of 33 °C and nights around 25 °C. October is the coolest month at 28 °C.
When does it rain most in Tamarindo, Costa Rica?
Rain is most frequent from May to November; the wettest month is October with 371 mm. The driest month is February with 3 mm.
How many hours of sunshine does Tamarindo, Costa Rica get?
Tamarindo, Costa Rica gets around 2,600 hours of sunshine a year. The sunniest month is February with 10.1 hours a day; in October there are 4.7 hours a day.
What time zone is Tamarindo, Costa Rica in?
Tamarindo, Costa Rica uses the time zone America/Costa_Rica, at UTC−6 all year.
How long is the flight from London to Tamarindo, Costa Rica?
A nonstop flight from London to Tamarindo, Costa Rica takes about 11 h 5 min, for a straight-line distance of about 8,800 km.
Near Tamarindo, Costa Rica
Other destinations close by.