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Monthly climate in Koidu, Eastern Province, Sierra Leone

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Koidu features a tropical monsoon climate (Am).Temperatures typically range between 23 °C (75 °F) and 28 °C (83 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 2669 mm (105.1 inches) and receives 218 rainy days on the 1 mm (0.04 inches) threshold annually.Koidu enjoys an average of 3089 hours of sunshine throughout the year, and daylight varies from 11 hours 36 minutes to 12 hours 36 minutes per day.

Monthly average temperatures in Koidu, Eastern Province, Sierra Leone §

The warmest months in Koidu 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 23 to 24 °C (75 - 76 °F) throughout the day. On average each year, Koidu experiences 319 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 Koidu, Eastern 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 36°C
(98°F)		 39°C
(102°F)		 39°C
(102°F)		 37°C
(98°F)		 35°C
(95°F)		 32°C
(90°F)		 31°C
(87°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(91°F)		 33°C
(91°F)		 35°C
(95°F)
Mean maximum 36°C
(97°F)		 38°C
(100°F)		 38°C
(100°F)		 36°C
(96°F)		 34°C
(93°F)		 31°C
(88°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 34°C
(93°F)
Average high 34°C
(93°F)		 35°C
(96°F)		 35°C
(95°F)		 33°C
(91°F)		 31°C
(88°F)		 29°C
(84°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(83°F)		 30°C
(85°F)		 30°C
(86°F)		 31°C
(89°F)
Daily mean 27°C
(80°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(77°F)		 24°C
(75°F)		 23°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)
Average low 20°C
(69°F)		 22°C
(72°F)		 23°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 21°C
(70°F)
Mean minimum 16°C
(62°F)		 19°C
(66°F)		 21°C
(70°F)		 22°C
(72°F)		 22°C
(71°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 21°C
(69°F)		 21°C
(69°F)		 20°C
(68°F)		 17°C
(63°F)
Minimum 15°C
(59°F)		 17°C
(63°F)		 19°C
(66°F)		 22°C
(71°F)		 21°C
(71°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(68°F)		 19°C
(67°F)		 20°C
(69°F)		 18°C
(65°F)		 16°C
(61°F)

Compare climate in Koidu with other places

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

Monthly average precipitation in Koidu, Eastern Province, Sierra Leone §

Koidu usually has the most precipitation in July, August and September, with an average of 29 rainy days and 476 mm (18.7 inches) of precipitation per month.The driest months in Koidu are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Koidu, Eastern 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) 3 (0.1) 18 (0.7) 65 (2.6) 109 (4.3) 196 (7.7) 351 (13.8) 460 (18.1) 491 (19.3) 477 (18.8) 330 (13.0) 152 (6.0) 16 (0.6)
Average precipitation days (≥ 1 mm) 0 2 12 17 24 28 30 29 28 28 16 4

Monthly sunshine hours in Koidu, Eastern Province, Sierra Leone §

The sunniest months in Koidu are February, March and December, when the sun shines an average of 9 hours 50 minutes a day.Least sunny months in Koidu: July, August and September receive an average of 6 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Koidu, Eastern 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 259 290 295 273 261 229 207 203 224 264 268 310
Mean daily daylight hours 11h 39m 11h 50m 12h 4m 12h 18m 12h 30m 12h 36m 12h 33m 12h 22m 12h 8m 11h 54m 11h 42m 11h 36m

Solar UV radiation in Koidu, Eastern Province, Sierra Leone §

Koidu 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 Koidu UV Index data.

Average daily maximum UV levels by month for Koidu, Eastern 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