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Monthly climate in Bumbuna, Northern Province, Sierra Leone

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bumbuna features a tropical monsoon climate (Am).Temperatures typically range between 24 °C (75 °F) and 29 °C (84 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 2828 mm (111.4 inches) and receives 211 rainy days on the 1 mm (0.04 inches) threshold annually.Bumbuna enjoys an average of 3183 hours of sunshine throughout the year, and daylight varies from 11 hours 35 minutes to 12 hours 37 minutes per day.

Monthly average temperatures in Bumbuna, Northern Province, Sierra Leone §

The warmest months in Bumbuna are February, March and April, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 24 to 24 °C (75 - 76 °F) throughout the day. On average each year, Bumbuna experiences 320 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 Bumbuna, Northern 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)		 40°C
(104°F)		 39°C
(102°F)		 38°C
(100°F)		 37°C
(99°F)		 33°C
(92°F)		 31°C
(89°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(91°F)		 34°C
(93°F)		 36°C
(96°F)
Mean maximum 37°C
(98°F)		 38°C
(101°F)		 38°C
(101°F)		 37°C
(99°F)		 35°C
(96°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 33°C
(91°F)		 35°C
(95°F)
Average high 35°C
(95°F)		 36°C
(97°F)		 36°C
(96°F)		 34°C
(93°F)		 32°C
(89°F)		 29°C
(85°F)		 27°C
(82°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(86°F)		 31°C
(87°F)		 32°C
(90°F)
Daily mean 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(80°F)		 25°C
(77°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(79°F)
Average low 21°C
(69°F)		 22°C
(71°F)		 23°C
(74°F)		 24°C
(75°F)		 23°C
(75°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)
Mean minimum 18°C
(64°F)		 19°C
(66°F)		 21°C
(69°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 19°C
(66°F)
Minimum 16°C
(61°F)		 17°C
(63°F)		 18°C
(64°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)		 20°C
(69°F)		 17°C
(63°F)

Compare climate in Bumbuna with other places

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

Monthly average precipitation in Bumbuna, Northern Province, Sierra Leone §

Bumbuna usually has the most precipitation in July, August and September, with an average of 29 rainy days and 529 mm (20.8 inches) of precipitation per month.The driest months in Bumbuna are January, February and December. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bumbuna, Northern 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) 1 (0.1) 14 (0.5) 39 (1.6) 85 (3.3) 188 (7.4) 352 (13.9) 513 (20.2) 573 (22.6) 500 (19.7) 384 (15.1) 165 (6.5) 13 (0.5)
Average precipitation days (≥ 1 mm) 0 1 7 15 23 28 30 29 28 28 19 3

Monthly sunshine hours in Bumbuna, Northern Province, Sierra Leone §

The sunniest months in Bumbuna are February, March and December, when the sun shines an average of 10 hours 4 minutes a day.Least sunny months in Bumbuna: July, August and September receive an average of 7 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bumbuna, Northern 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 258 292 309 288 277 237 217 216 232 271 266 314
Mean daily daylight hours 11h 38m 11h 49m 12h 3m 12h 18m 12h 31m 12h 37m 12h 34m 12h 23m 12h 9m 11h 54m 11h 41m 11h 35m

Solar UV radiation in Bumbuna, Northern Province, Sierra Leone §

Bumbuna experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.February, 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 Bumbuna UV Index data.

Average daily maximum UV levels by month for Bumbuna, Northern 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) 11 11 12 13 13 13 13 13 14 12 10 10