Temperature
Hot by day, mild at night.
Hot afternoons and plenty of sun. Humid air is the main drawback.

Hot by day, mild at night.
Several rainy days. About 13 wet days this month.
Plenty of sun this month.
Very humid air is a major factor this month.
In April, afternoons feel about 88° and nights feel near 77°.
Partly cloudy skies this month.
Calm winds are typical in April.
April late afternoons are around 82°F, easing to about 76°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