Climate
Libreville features a tropical monsoon climate with a lengthy wet season and a short dry season. Libreville’s wet season spans about nine months (September through May), with a heavy amount of rain falling during these months. The city’s dry season lasts from June through August and is caused by the cold Beneguela Current reaching its northernmost extent and suppressing rainfall. Despite the lack of rain, Libreville remains very cloudy during this time of year.
As common with many cities with this climate, average temperatures remain relatively constant throughout the course of the year, with average high temperatures at around 30 °C (86.0 °F) .
| Climate data for Libreville | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average high °C (°F) | 29.5 (85.1) |
30.0 (86.0) |
30.2 (86.4) |
30.1 (86.2) |
29.4 (84.9) |
27.6 (81.7) |
26.4 (79.5) |
26.8 (80.2) |
27.5 (81.5) |
28.0 (82.4) |
28.4 (83.1) |
29.0 (84.2) |
28.58 (83.44) |
| Daily mean °C (°F) | 26.7 (80.1) |
27.0 (80.6) |
27.1 (80.8) |
26.6 (79.9) |
26.7 (80.1) |
25.4 (77.7) |
24.3 (75.7) |
24.2 (75.6) |
25.4 (77.7) |
25.7 (78.3) |
26.0 (78.8) |
26.2 (79.2) |
25.95 (78.71) |
| Average low °C (°F) | 24.1 (75.4) |
24.0 (75.2) |
23.9 (75.0) |
23.1 (73.6) |
24.0 (75.2) |
23.2 (73.8) |
22.1 (71.8) |
21.8 (71.2) |
23.2 (73.8) |
23.4 (74.1) |
23.4 (74.1) |
23.4 (74.1) |
23.30 (73.94) |
| Rainfall mm (inches) | 250.3 (9.854) |
243.1 (9.571) |
363.2 (14.299) |
339.0 (13.346) |
247.3 (9.736) |
54.10 (2.1299) |
6.600 (0.25984) |
13.70 (0.5394) |
104.0 (4.094) |
427.2 (16.819) |
490.0 (19.291) |
303.2 (11.937) |
2,841.7 (111.878) |
| Avg. rainy days (≥ 0.1 mm) | 17.9 | 14.8 | 19.5 | 19.2 | 16.0 | 3.70 | 1.70 | 4.90 | 14.5 | 25.0 | 22.6 | 17.6 | 177.4 |
| Mean monthly sunshine hours | 176.7 | 182.7 | 176.7 | 177.0 | 158.1 | 132.0 | 117.8 | 89.90 | 96.00 | 111.6 | 135.0 | 167.4 | 1,720.9 |
| Source: World Meteorological Organization (UN), Hong Kong Observatory | |||||||||||||
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—W.H. (Wystan Hugh)
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—Friedrich Nietzsche (1844–1900)
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