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Sri Lanka

Galle

Sun, sea & sand

Galle at a glance

Best time
Dec – Oct
Warmest month
Mar · 30°
Warmest sea
Apr · 29.7°
Sunshine a year
2,390 h
Rain a year
2,177 mm
Climate
Tropical
Time zone
UTC+5:30
Elevation
24 m

Climate in Galle

Galle 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 30 °C, while August is the coolest at 28 °C. With around 2,390 hours of sunshine a year, Galle is sunny; February is the sunniest month with 7.8 hours a day.

Holiday weather through the year

Your holiday weather, at a glance

Weather in October

70

Holiday weather in October

Good

Best time to visit: December – October

A typical day in October

  1. Morning, 08:00: about 26°
  2. Midday, 13:00: about 28°
  3. Afternoon, 16:00: about 28°
  4. Evening, 20:00: about 26°
  5. Night, 23:00: about 26°

05:5517:55

Warm enough for a T-shirt in the evening.

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

What is the weather like in Galle in October?

In October, Galle is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.2 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 248 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Galle.

More details for October

Daylight
12 h 0 min05:55 – 17:55
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or more
Wind
19 km/haverage daily peak
Cloud cover
79 %on average
Hot days
0 days30 °C or more
Time zone
UTC+5:30Asia/Colombo

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %48 %
  • 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
Swimming calendar

Sea temperature in Galle

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

Sea in October28.2°Cwarm

8 in 10 years: 27.7 – 28.7 °C

Swimming season: All year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 28.2°8 in 10 years 27.7° – 28.7°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Galle ranges from 27.7 °C in July to 29.7 °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. From April to June and from September to December the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in April, eight out of ten years were between 28.9 and 30.4 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan27.9°27.5°28.5°warm
FebruaryFeb28.3°27.7°28.8°warm
MarchMar29.1°28.5°29.5°very warm
AprilApr29.7°28.9°30.4°very warm
MayMay29.0°28.5°29.7°very warm
JuneJun28.4°27.7°29.1°warm
JulyJul27.7°27.1°28.5°warm
AugustAug27.7°27.0°28.2°warm
SeptemberSep27.9°27.4°28.4°warm
OctoberOct28.2°27.7°28.7°warm
NovemberNov28.6°28.0°29.1°warm
DecemberDec28.3°27.9°28.8°warm
Sunshine

Sunshine hours in Galle

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

Per year
2,390 hours
Sunniest month
Feb · 7.8 h a day
Least sunshine
Nov · 5.2 h a day
OctoberSunshine 5.9 hDaylight 12.0 hShare of daylight 49 %
SunshineDaylight

In October, the sun shines for about 5.9 of 12.0 hours of daylight in Galle, 49 % of the day.

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.

Sun protection

UV index in Galle

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

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

The sun is strongest in September (UV 14).

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 it, 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.

Rain

Rain in Galle: 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
2,177 mm on 282 days
Wettest month
Nov · 304 mm
Driest month
Feb · 83 mm
OctoberRainy days 26Rainfall 248 mm

In October, Galle has about 26 rainy days with 248 mm of rain in total.

Climate through the year

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

Best time to visit

Temperatures through the year

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

OctoberDay 28°Night 25°Sea 28°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan7728°24°27.9°7.1 h16115
FebruaryFeb8329°24°28.3°7.8 h1383
MarchMar7530°25°29.1°7.6 h20110
AprilApr7329°25°29.7°6.9 h26185
MayMay7129°26°29.0°6.4 h28230
JuneJun7228°25°28.4°6.6 h27184
JulyJul7228°25°27.7°6.6 h26152
AugustAug7228°25°27.7°6.6 h26157
SeptemberSep7128°25°27.9°6.2 h26201
OctoberOct7028°25°28.2°5.9 h26248
NovemberNov6728°24°28.6°5.2 h25304
DecemberDec6928°24°28.3°5.8 h22208

Climate averages 1996–2025, 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)

6.05° N, 80.21° E · 24 m · Asia/Colombo

Best time to visit

Best time to visit Galle

The best time to visit Galle is from December to October. The sea stays too cool for a classic beach holiday: even in April it only reaches 29.7 °C. The wettest month is November with 304 mm of precipitation.

Galle through the seasons

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

Galle in spring

Mar – May

73

Good

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

Galle in summer

Jun – Aug

72

Good

  • 28 °C by day
  • Sea 28 °C
  • 7 h of sun a day
  • 80 rainy days in all

Galle in autumn

Sep – Nov

69

Good

  • 28 °C by day
  • Sea 28 °C
  • 6 h of sun a day
  • 78 rainy days in all

Galle in winter

Dec – Feb

76

Good

  • 28–29 °C by day
  • Sea 28 °C
  • 7 h of sun a day
  • 50 rainy days in all

Find your perfect month

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

Swimming in the sea
Sunshine
Little rain

Your best months: January – March

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

Which month for what?

Beach & swimming

No month

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Rainy months

All year

12 or more rainy days

Galle month by month

The typical weather for every month at a glance.

77January28° · Sea 28° · 7 h

In January, Galle is hot: daytime highs average 28 °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 7 hours a day. It is the rainy season: rain falls on about 16 days, totalling 115 mm. The air is often humid and muggy. All in all, January is a good month for a holiday in Galle.

Galle in January
83February29° · Sea 28° · 8 h

In February, Galle is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 83 mm in total. On about 5 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 Galle.

Galle in February
75March30° · Sea 29° · 8 h

In March, Galle is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.1 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 20 days, totalling 110 mm. On about 9 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Galle.

Galle in March
73April29° · Sea 30° · 7 h

In April, Galle is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 29.7 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 26 days, totalling 185 mm. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Galle.

Galle in April
71May29° · Sea 29° · 6 h

In May, Galle is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °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 28 days, totalling 230 mm. The air is often humid and muggy. All in all, May is a good month for a holiday in Galle.

Galle in May
72June28° · Sea 28° · 7 h

In June, Galle 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. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 27 days, totalling 184 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Galle.

Galle in June
72July28° · Sea 28° · 7 h

In July, Galle is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 26 days, totalling 152 mm. The air is often humid and muggy. All in all, July is a good month for a holiday in Galle.

Galle in July
72August28° · Sea 28° · 7 h

In August, Galle is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 26 days, totalling 157 mm. The air is often humid and muggy. All in all, August is a good month for a holiday in Galle.

Galle in August
71September28° · Sea 28° · 6 h

In September, Galle is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °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 26 days, totalling 201 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Galle.

Galle in September
70October28° · Sea 28° · 6 h

In October, Galle is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.2 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 248 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Galle.

Galle in October
67November28° · Sea 29° · 5 h

In November, Galle is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.6 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 304 mm. The air is often humid and muggy. All in all, November is a good month for a holiday in Galle.

Galle in November
69December28° · Sea 28° · 6 h

In December, Galle is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 208 mm. The air is often humid and muggy. All in all, December is a good month for a holiday in Galle.

Galle in December
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Galle vs. Bentota

In October Galle has the better holiday weather (score 70 vs. 65). During the day it is about as warm in Bentota as in Galle. The sea is about equally warm. Bentota gets one hour less sunshine a day.

Galle vs. Bentota, in October
in OctoberGalleBentota
Holiday score7065
Daytime high28°28°
Sea28°28°
Sunshine6 h5 h
Rainy days2628
Best timeDec – OctJan – Apr

Through the year

OctoberGalle 28°Bentota 28°
GalleBentota
Go to Bentota
Ranking

Sri Lanka in October: the best places

In October, Galle ranks 1 of 4 destinations in this country.

  1. GalleThis page28°28°70
  2. 2Negombo29°28°66
  3. 3Bentota28°28°65
  4. 4Colombo29°28°44
All destinations: Sri Lanka

Planning a trip to Galle

Weather for your travel dates

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

Getting there

Flying from

Nonstop flight
about 11 h 10 min
Distance
8,840 km
Time zone
UTC+5:30

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

Frequently asked questions about Galle

When is the best time to visit Galle?

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

How warm is the sea in Galle?

The sea temperature in Galle ranges from 27.7 °C in July to 29.7 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

Can you swim in Galle in October?

Yes. In October the sea averages 28.2 °C – lovely and warm for swimming.

What is the warmest month in Galle?

March is the warmest month, with average highs of 30 °C and nights around 25 °C. August is the coolest month at 28 °C.

When does it rain most in Galle?

The wettest month is November with 304 mm of precipitation. The driest month is February with 83 mm.

How many hours of sunshine does Galle get?

Galle gets around 2,390 hours of sunshine a year. The sunniest month is February with 7.8 hours a day; in November there are 5.2 hours a day.

What time zone is Galle in?

Galle uses the time zone Asia/Colombo, at UTC+5:30 all year.

How long is the flight from London to Galle?

A nonstop flight from London to Galle takes about 11 h 10 min, for a straight-line distance of about 8,840 km.

Near Galle

Other destinations close by.

Places with a climate like Galle

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

  1. 77% similar48SingaporeSingapore28°30°Best time: Jan – Feb
  2. 73% similar64Patong, PhuketThailand28°29°Best time: Dec – Mar
  3. 72% similar47CebuPhilippines29°30°Best time: Feb
  4. 71% similar64Khao LakThailand28°29°Best time: Dec – Mar