Temperature
Hot by day, warm at night.
Humid air is the main limitation.

Hot by day, warm at night.
Rain is frequent. About 17 wet days, more than in most months.
Cloudier spells limit sunshine.
Very hot days with very humid air.
In February, afternoons feel about 94° and nights feel near 83°.
Mostly cloudy skies this month.
Calm winds are typical in February.
February late afternoons are around 87°F, easing to about 81°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 89 | 75 | 9.6 | 20 | 10.0 | 79 |
| Feb | 90 | 75 | 7.2 | 17 | 10.4 | 78 |
| Mar | 87 | 74 | 8.1 | 20 | 9.9 | 80 |
| Apr | 85 | 71 | 4.0 | 13 | 9.8 | 81 |
| May | 80 | 67 | 3.0 | 10 | 9.0 | 82 |
| Jun | 80 | 65 | 1.9 | 7 | 8.9 | 81 |
| Jul | 79 | 64 | 1.9 | 7 | 8.5 | 80 |
| Aug | 80 | 64 | 1.7 | 7 | 9.2 | 78 |
| Sep | 81 | 66 | 3.3 | 11 | 8.9 | 77 |
| Oct | 83 | 69 | 4.5 | 13 | 9.3 | 78 |
| Nov | 84 | 71 | 8.0 | 18 | 9.4 | 80 |
| Dec | 87 | 74 | 9.0 | 20 | 10.1 | 80 |
Similar climates
Want a side-by-side climate view? Compare São Gonçalo with Rio de Janeiro.
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 26, 2026
Data & methodology