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Monthly climate in Galle, Sri Lanka

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Galle features a tropical rainforest climate (Af).Temperatures typically range between 27 °C (80 °F) and 28 °C (82 °F) through the year, but rarely can drop to 24 °C (75 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 2167 mm (85.3 inches) and receives 274 rainy days on the 1 mm (0.04 inches) threshold annually.Galle enjoys an average of 3821 hours of sunshine throughout the year, and daylight varies from 11 hours 46 minutes to 12 hours 26 minutes per day.

Monthly average temperatures in Galle, Sri Lanka §

The warmest months in Galle are March, April and May, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, September and December, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Galle experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Galle, Sri Lanka.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 31°C
(88°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(89°F)		 31°C
(87°F)		 30°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(85°F)
Mean maximum 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)
Average high 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)
Daily mean 27°C
(80°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)
Average low 25°C
(78°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)
Mean minimum 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)
Minimum 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(75°F)		 25°C
(77°F)

Compare climate in Galle with other places

Compare temperature, precipitation, sunshine, UV index in Galle, Sri Lanka with other places around the world.

Monthly average precipitation in Galle, Sri Lanka §

Galle usually has the most precipitation in May, June and October, with an average of 28 rainy days and 262 mm (10.3 inches) of precipitation per month.The driest months in Galle are January, February and March. On average, 70 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Galle, Sri Lanka.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 60 (2.4) 62 (2.4) 89 (3.5) 137 (5.4) 289 (11.4) 237 (9.3) 207 (8.1) 219 (8.6) 235 (9.3) 259 (10.2) 223 (8.8) 151 (5.9)
Average precipitation days (≥ 1 mm) 11 12 17 24 28 28 28 27 27 28 25 19

Monthly sunshine hours in Galle, Sri Lanka §

The sunniest months in Galle are March, July and August, when the sun shines an average of 10 hours 51 minutes a day.Least sunny months in Galle: January, November and December receive an average of 9 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Galle, Sri Lanka.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 273 310 334 331 328 332 339 335 317 315 293 308
Mean daily daylight hours 11h 48m 11h 55m 12h 4m 12h 14m 12h 22m 12h 26m 12h 24m 12h 17m 12h 7m 11h 58m 11h 50m 11h 46m

Solar UV radiation in Galle, Sri Lanka §

Galle experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.June, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Galle UV Index data.

Average daily maximum UV levels by month for Galle, Sri Lanka.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 13 14 15 15 14 12 13 14 14 13 11 11