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Monthly climate in Kassiri, Northern Province, Sierra Leone

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kassiri features a tropical monsoon climate (Am).Temperatures typically range between 25 °C (78 °F) and 29 °C (84 °F) through the year, but rarely can drop to 21 °C (69 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 2939 mm (115.7 inches) and receives 208 rainy days on the 1 mm (0.04 inches) threshold annually.Kassiri enjoys an average of 3256 hours of sunshine throughout the year, and daylight varies from 11 hours 36 minutes to 12 hours 37 minutes per day.

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

The warmest months in Kassiri are March, April and May, 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 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Kassiri experiences 328 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 Kassiri, 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)		 36°C
(98°F)		 36°C
(97°F)		 36°C
(98°F)		 34°C
(94°F)		 33°C
(91°F)		 31°C
(87°F)		 31°C
(87°F)		 32°C
(90°F)		 32°C
(90°F)		 33°C
(91°F)		 34°C
(94°F)
Mean maximum 35°C
(95°F)		 35°C
(96°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(93°F)		 31°C
(89°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(89°F)		 32°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)
Average high 33°C
(91°F)		 33°C
(92°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(89°F)		 29°C
(85°F)		 28°C
(83°F)		 28°C
(82°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(89°F)
Daily mean 27°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(80°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)
Average low 24°C
(75°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)
Mean minimum 22°C
(71°F)		 22°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(74°F)		 22°C
(73°F)
Minimum 21°C
(69°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(73°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)		 22°C
(73°F)		 21°C
(70°F)

Compare climate in Kassiri with other places

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

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

Kassiri usually has the most precipitation in July, August and September, with an average of 30 rainy days and 638 mm (25.1 inches) of precipitation per month.The driest months in Kassiri are January, February and March. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kassiri, 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) 2 (0.1) 6 (0.2) 12 (0.5) 41 (1.6) 146 (5.7) 379 (14.9) 735 (28.9) 642 (25.3) 537 (21.1) 286 (11.2) 133 (5.2) 20 (0.8)
Average precipitation days (≥ 1 mm) 0 1 3 8 19 29 31 30 29 29 22 7

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

The sunniest months in Kassiri are March, April and December, when the sun shines an average of 10 hours 21 minutes a day.Least sunny months in Kassiri: July, August and September receive an average of 7 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kassiri, 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 255 290 323 312 306 242 226 199 221 275 283 316
Mean daily daylight hours 11h 39m 11h 49m 12h 3m 12h 18m 12h 31m 12h 37m 12h 34m 12h 23m 12h 8m 11h 54m 11h 42m 11h 36m

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

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

Average daily maximum UV levels by month for Kassiri, 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) 10 10 12 12 13 13 13 13 14 12 10 9