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Monthly climate in Moratuwa, Western, Sri Lanka

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Moratuwa features a tropical rainforest climate (Af).Temperatures typically range between 27 °C (80 °F) and 28 °C (83 °F) through the year, but rarely can drop to 19 °C (66 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 2674 mm (105.3 inches) and receives 284 rainy days on the 1 mm (0.04 inches) threshold annually.Moratuwa enjoys an average of 3725 hours of sunshine throughout the year, and daylight varies from 11 hours 43 minutes to 12 hours 29 minutes per day.

Monthly average temperatures in Moratuwa, Western, Sri Lanka §

The warmest months in Moratuwa are March, April and May, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in October, November and December, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Moratuwa 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 Moratuwa, Western, 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 35°C
(95°F)		 36°C
(97°F)		 36°C
(96°F)		 36°C
(96°F)		 33°C
(92°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(89°F)		 31°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)
Mean maximum 34°C
(93°F)		 35°C
(95°F)		 34°C
(94°F)		 34°C
(93°F)		 32°C
(91°F)		 30°C
(87°F)		 31°C
(88°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)
Average high 32°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(85°F)		 30°C
(86°F)		 31°C
(87°F)
Daily mean 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)
Average low 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)
Mean minimum 20°C
(69°F)		 22°C
(71°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(76°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 21°C
(71°F)
Minimum 19°C
(66°F)		 20°C
(68°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 24°C
(75°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(72°F)		 20°C
(69°F)

Compare climate in Moratuwa with other places

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

Monthly average precipitation in Moratuwa, Western, Sri Lanka §

Moratuwa usually has the most precipitation in May, October and November, with an average of 28 rainy days and 327 mm (12.9 inches) of precipitation per month.The driest months in Moratuwa are January, February and April. On average, 109 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Moratuwa, Western, 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) 87 (3.4) 87 (3.4) 159 (6.3) 154 (6.1) 306 (12.1) 287 (11.3) 212 (8.4) 249 (9.8) 251 (9.9) 352 (13.9) 323 (12.7) 207 (8.2)
Average precipitation days (≥ 1 mm) 8 11 18 26 30 29 29 30 28 30 26 19

Monthly sunshine hours in Moratuwa, Western, Sri Lanka §

The sunniest months in Moratuwa are March, April and July, when the sun shines an average of 10 hours 48 minutes a day.Least sunny months in Moratuwa: January, October and November receive an average of 9 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Moratuwa, Western, 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 269 309 332 331 312 323 330 327 305 300 276 307
Mean daily daylight hours 11h 45m 11h 53m 12h 4m 12h 15m 12h 25m 12h 29m 12h 27m 12h 19m 12h 8m 11h 57m 11h 47m 11h 43m

Solar UV radiation in Moratuwa, Western, Sri Lanka §

Moratuwa experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Moratuwa UV Index data.

Average daily maximum UV levels by month for Moratuwa, Western, 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) 11 13 14 15 14 12 13 14 14 13 11 10