Sierra Leone Climate
Climate Zone and Historical Climate Data
Sierra Leone Climatic Classifications
| Code | Description | Group | Number of states/regions | States/regions |
|---|---|---|---|---|
| Am | Tropical monsoon | Tropical | 5 | Eastern North Western Northern Southern Western Area |
Summary: Most regions (5) in Sierra Leone lie in the Tropical monsoon climate zone (Köppen: Am). The mean average of annual temperatures range from a high of 28.07°C (82.53°F) in Western Area to a low of 26.78°C (80.2°F) in Eastern.
Climate Sierra Leone: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 35.51(95.92) | 37.42(99.36) | 38.39(101.1) | 37.47(99.45) | 33.46(92.23) | 30.7(87.26) | 28.27(82.89) | 27.7(81.86) | 28.98(84.16) | 30.97(87.75) | 32.03(89.65) | 33.14(91.65) | 38.39(101.1) |
| Average high °C (°F) | 33.95(93.11) | 35.03(95.05) | 35.03(95.05) | 34.24(93.63) | 32.23(90.01) | 29.97(85.95) | 27.87(82.17) | 27.21(80.98) | 28.47(83.25) | 30.16(86.29) | 31.27(88.29) | 32.39(90.3) | 31.48(88.66) |
| Daily mean °C (°F) | 28.51(83.32) | 29.51(85.12) | 29.89(85.8) | 29.77(85.59) | 28.59(83.46) | 26.97(80.55) | 25.44(77.79) | 24.99(76.98) | 25.75(78.35) | 26.82(80.28) | 27.52(81.54) | 27.61(81.7) | 27.61(81.7) |
| Average low °C (°F) | 21.28(70.3) | 21.96(71.53) | 23.08(73.54) | 23.96(75.13) | 24.08(75.34) | 23.35(74.03) | 22.47(72.45) | 22.32(72.18) | 22.45(72.41) | 22.71(72.88) | 22.73(72.91) | 21.54(70.77) | 22.66(72.79) |
| Record low °C (°F) | 18.28(64.9) | 19.42(66.96) | 20.71(69.28) | 21.97(71.55) | 22.1(71.78) | 21.38(70.48) | 20.48(68.86) | 20.52(68.94) | 20.47(68.85) | 20.37(68.67) | 19.91(67.84) | 18.15(64.67) | 18.15(64.67) |
| Average precipitation mm (inches) | 9.04(0.36) | 14.45(0.57) | 48.31(1.9) | 102.14(4.02) | 240.67(9.48) | 359.99(14.17) | 582.69(22.94) | 697.49(27.46) | 557.75(21.96) | 356.96(14.05) | 135.96(5.35) | 19.44(0.77) | 260.41(10.25) |
| Average precipitation days (≥ 1.0 mm) | 2.18 | 2.82 | 8.89 | 14.18 | 24.29 | 28.47 | 30.38 | 30.03 | 29.2 | 29.09 | 20.67 | 4.07 | 18.69 |
| Average relative humidity (%) | 58.7 | 60.8 | 66.03 | 70.18 | 79.84 | 85.43 | 88.48 | 89.95 | 89.43 | 86.59 | 81.16 | 63.67 | 76.69 |
| Mean monthly sunshine hours | 11.3 | 11.44 | 11.27 | 11.04 | 10.4 | 9.4 | 8.55 | 7.97 | 9.11 | 10.2 | 10.93 | 11.14 | 10.23 |
Sierra Leone Climate Graph
Sierra Leone’s Cities by Temperature
Sierra Leone’s states/regions ranking by average yearly temperature:
| Western Area | 28.07°C | 82.53°F | |
| North Western | 28.07°C | 82.53°F | |
| Southern | 28.07°C | 82.53°F | |
| Northern | 27.09°C | 80.76°F | |
| Eastern | 26.78°C | 80.2°F |
States/Regions
Popular places in Sierra Leone
- Katu Town Western Area
- Bambe Southern
- Pujehun Southern
- Bongka Northern
- Paw paw Western Area
- Piri Town Western Area
- Pendembu Western Area
- Gberia Fotombu Northern
- Shenge Southern
- Bandalahun Southern
- Jagbahun Southern
- Birimba Northern
- Baiama Eastern
- Bakedu Eastern
- Kamaron Northern
- Bakodu Eastern
- Jummu Town Western Area
- Jui Western Area
- Mawanka North Western
- Grafton Western Area
- Banjema Eastern
- Biribaia Northern
- Mayawke North Western
- Masu North Western
- Bandako Southern
- Masitaha North Western
- Balahun Southern
- Depea Water Western Area
- Bankafu Southern
- Bagahun Northern
- Hill Station Western Area
- Bambara Eastern
- Matuka North Western
- Joe Town Western Area
- Potoru Southern
- Old Songo Western Area
- Matam North Western
- Rocky Western Area
- Baomahun Southern
- Gloucester Western Area
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