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Monthly climate in Tombu, Eastern Province, Sierra Leone

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tombu features a tropical monsoon climate (Am).Temperatures typically range between 24 °C (75 °F) and 28 °C (83 °F) through the year, but rarely can drop to 16 °C (60 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 2319 mm (91.3 inches) and receives 222 rainy days on the 1 mm (0.04 inches) threshold annually.Tombu enjoys an average of 2993 hours of sunshine throughout the year, and daylight varies from 11 hours 37 minutes to 12 hours 35 minutes per day.

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

The warmest months in Tombu 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 24 to 24 °C (75 - 76 °F) throughout the day. On average each year, Tombu experiences 321 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 Tombu, 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)		 38°C
(101°F)		 39°C
(103°F)		 36°C
(97°F)		 35°C
(95°F)		 33°C
(91°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(91°F)		 33°C
(91°F)		 35°C
(96°F)
Mean maximum 36°C
(97°F)		 37°C
(100°F)		 37°C
(100°F)		 35°C
(96°F)		 34°C
(93°F)		 31°C
(89°F)		 30°C
(87°F)		 30°C
(87°F)		 31°C
(89°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
(94°F)		 33°C
(91°F)		 31°C
(88°F)		 29°C
(85°F)		 27°C
(81°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(86°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)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)
Average low 21°C
(70°F)		 22°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(73°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)
Mean minimum 17°C
(64°F)		 19°C
(67°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(69°F)		 21°C
(69°F)		 21°C
(70°F)		 21°C
(69°F)		 18°C
(65°F)
Minimum 16°C
(60°F)		 18°C
(64°F)		 20°C
(67°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(69°F)		 20°C
(69°F)		 20°C
(67°F)		 19°C
(67°F)		 21°C
(69°F)		 20°C
(68°F)		 17°C
(63°F)

Compare climate in Tombu with other places

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

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

Tombu usually has the most precipitation in July, August and September, with an average of 29 rainy days and 411 mm (16.2 inches) of precipitation per month.The driest months in Tombu are January, February and December. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tombu, 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) 5 (0.2) 20 (0.8) 81 (3.2) 104 (4.1) 184 (7.2) 293 (11.5) 393 (15.5) 415 (16.3) 425 (16.7) 279 (11.0) 103 (4.1) 18 (0.7)
Average precipitation days (≥ 1 mm) 1 3 13 17 24 28 30 30 29 27 16 4

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

The sunniest months in Tombu are February, March and December, when the sun shines an average of 9 hours 25 minutes a day.Least sunny months in Tombu: July, August and September receive an average of 6 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tombu, 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 255 282 275 255 249 228 207 200 217 260 262 299
Mean daily daylight hours 11h 40m 11h 50m 12h 4m 12h 18m 12h 30m 12h 35m 12h 32m 12h 22m 12h 8m 11h 54m 11h 43m 11h 37m

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

Tombu 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.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 Tombu UV Index data.

Average daily maximum UV levels by month for Tombu, 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 12 13 13 13 12 10 10