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Monthly climate in Sumbuya, Southern Province, Sierra Leone

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sumbuya features a tropical monsoon climate (Am).Temperatures typically range between 25 °C (77 °F) and 28 °C (83 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 3439 mm (135.4 inches) and receives 266 rainy days on the 1 mm (0.04 inches) threshold annually.Sumbuya enjoys an average of 3123 hours of sunshine throughout the year, and daylight varies from 11 hours 40 minutes to 12 hours 33 minutes per day.

Monthly average temperatures in Sumbuya, Southern Province, Sierra Leone §

The warmest months in Sumbuya are February, March and April, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (77 - 77 °F) throughout the day. On average each year, Sumbuya experiences 325 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 Sumbuya, Southern Province, Sierra Leone.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 37°C
(99°F)		 38°C
(101°F)		 39°C
(102°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(91°F)		 33°C
(91°F)		 33°C
(91°F)		 33°C
(91°F)		 33°C
(91°F)		 33°C
(92°F)		 35°C
(96°F)
Mean maximum 36°C
(97°F)		 37°C
(99°F)		 36°C
(98°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(91°F)		 34°C
(93°F)
Average high 34°C
(93°F)		 35°C
(95°F)		 34°C
(94°F)		 32°C
(91°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)		 32°C
(89°F)
Daily mean 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(80°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)
Average low 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)
Mean minimum 20°C
(69°F)		 22°C
(71°F)		 23°C
(73°F)		 22°C
(73°F)		 23°C
(73°F)		 22°C
(71°F)		 22°C
(71°F)		 21°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)
Minimum 19°C
(67°F)		 21°C
(70°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 21°C
(70°F)		 21°C
(71°F)		 20°C
(68°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(71°F)		 20°C
(68°F)

Compare climate in Sumbuya with other places

Compare temperature, precipitation, sunshine, UV index in Sumbuya, Southern Province, Sierra Leone with other places around the world.

Monthly average precipitation in Sumbuya, Southern Province, Sierra Leone §

Sumbuya usually has the most precipitation in July, August and September, with an average of 29 rainy days and 597 mm (23.5 inches) of precipitation per month.The driest months in Sumbuya are January, February and December. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumbuya, Southern Province, Sierra Leone.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) 20 (0.8) 47 (1.9) 90 (3.5) 180 (7.1) 298 (11.7) 485 (19.1) 552 (21.7) 588 (23.1) 651 (25.6) 318 (12.5) 154 (6.1) 56 (2.2)
Average precipitation days (≥ 1 mm) 5 8 17 24 28 29 30 28 29 29 24 15

Monthly sunshine hours in Sumbuya, Southern Province, Sierra Leone §

The sunniest months in Sumbuya are February, March and December, when the sun shines an average of 9 hours 48 minutes a day.Least sunny months in Sumbuya: June, August and September receive an average of 7 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sumbuya, Southern Province, Sierra Leone.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 251 286 297 279 268 228 229 207 217 267 280 309
Mean daily daylight hours 11h 42m 11h 51m 12h 4m 12h 17m 12h 28m 12h 33m 12h 30m 12h 20m 12h 8m 11h 55m 11h 45m 11h 40m

Solar UV radiation in Sumbuya, Southern Province, Sierra Leone §

Sumbuya experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Sumbuya UV Index data.

Average daily maximum UV levels by month for Sumbuya, Southern Province, Sierra Leone.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) 10 11 11 13 13 12 12 13 13 12 10 10