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Monthly climate in Zimmi, Southern Province, Sierra Leone

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Zimmi features a tropical monsoon climate (Am).Temperatures typically range between 24 °C (76 °F) and 27 °C (81 °F) through the year, but rarely can drop to 18 °C (65 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 3435 mm (135.3 inches) and receives 293 rainy days on the 1 mm (0.04 inches) threshold annually.Zimmi enjoys an average of 2791 hours of sunshine throughout the year, and daylight varies from 11 hours 41 minutes to 12 hours 31 minutes per day.

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

The warmest months in Zimmi are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 24 to 25 °C (76 - 77 °F) throughout the day. On average each year, Zimmi 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 Zimmi, 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 35°C
(95°F)		 37°C
(99°F)		 38°C
(100°F)		 35°C
(96°F)		 34°C
(93°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(89°F)		 34°C
(93°F)		 33°C
(91°F)		 33°C
(92°F)		 34°C
(94°F)
Mean maximum 35°C
(94°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(93°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(91°F)		 33°C
(91°F)		 33°C
(92°F)
Average high 33°C
(91°F)		 33°C
(92°F)		 33°C
(92°F)		 32°C
(89°F)		 31°C
(88°F)		 29°C
(85°F)		 28°C
(83°F)		 28°C
(82°F)		 29°C
(84°F)		 30°C
(86°F)		 31°C
(87°F)		 31°C
(88°F)
Daily mean 26°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)
Average low 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(73°F)
Mean minimum 20°C
(68°F)		 21°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(71°F)		 21°C
(71°F)		 21°C
(70°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(71°F)		 21°C
(70°F)
Minimum 18°C
(65°F)		 21°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 22°C
(71°F)		 21°C
(70°F)		 21°C
(71°F)		 19°C
(66°F)		 21°C
(71°F)		 21°C
(71°F)		 21°C
(71°F)		 20°C
(68°F)

Compare climate in Zimmi with other places

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

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

Zimmi usually has the most precipitation in July, August and September, with an average of 29 rainy days and 541 mm (21.3 inches) of precipitation per month.The driest months in Zimmi are January, February and December. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Zimmi, 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) 39 (1.5) 68 (2.7) 134 (5.3) 226 (8.9) 321 (12.7) 406 (16.0) 564 (22.2) 534 (21.0) 526 (20.7) 367 (14.5) 172 (6.8) 78 (3.1)
Average precipitation days (≥ 1 mm) 11 12 23 26 30 29 30 28 29 30 26 19

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

The sunniest months in Zimmi are February, March and December, when the sun shines an average of 8 hours 51 minutes a day.Least sunny months in Zimmi: July, August and September receive an average of 6 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Zimmi, 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 238 265 257 241 236 209 205 176 185 239 253 283
Mean daily daylight hours 11h 44m 11h 52m 12h 4m 12h 16m 12h 26m 12h 31m 12h 28m 12h 19m 12h 8m 11h 56m 11h 46m 11h 41m

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

Zimmi 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 Zimmi UV Index data.

Average daily maximum UV levels by month for Zimmi, 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) 11 11 12 13 13 12 12 13 13 12 10 10