Temperature
Hot by day, warm at night.
Bissau is usually most comfortable in December and January. Typical daytime highs range from 84–95°F across the year. Rain varies by season.

Hot by day, warm at night.
A few rainy days. About 5 wet days this month.
Plenty of sun this month.
Very hot days with very humid air.
In November, afternoons feel about 96° and nights feel near 83°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 89°F, easing to about 83°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 91 | 69 | 0.0 | 0 | 10.6 | 48 |
| Feb | 94 | 71 | 0.0 | 0 | 10.8 | 51 |
| Mar | 95 | 73 | 0.0 | 0 | 11.6 | 58 |
| Apr | 94 | 74 | 0.0 | 0 | 11.9 | 64 |
| May | 92 | 76 | 0.2 | 1 | 11.6 | 68 |
| Jun | 89 | 78 | 3.4 | 12 | 10.4 | 77 |
| Jul | 85 | 76 | 13.9 | 28 | 8.4 | 86 |
| Aug | 84 | 76 | 17.8 | 29 | 7.9 | 87 |
| Sep | 86 | 76 | 12.1 | 28 | 8.5 | 86 |
| Oct | 88 | 77 | 5.6 | 22 | 10.0 | 84 |
| Nov | 91 | 76 | 0.9 | 5 | 10.7 | 74 |
| Dec | 91 | 71 | 0.1 | 0 | 10.4 | 55 |
Similar climates
Want a side-by-side climate view? Compare Bissau with Bangkok.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology