Temperature
Warm by day, mild at night.
Barra Mansa is usually most comfortable in June and July. Typical daytime highs range from 77–87°F across the year. Rain varies by season.

Warm by day, mild at night.
It rains on most days. About 19 wet days, more than in most months.
Cloudier spells limit sunshine.
Warm days, with humid periods.
In November, afternoons feel about 84° and nights feel near 72°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 80°F, easing to about 73°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 86 | 70 | 11.1 | 22 | 9.2 | 80 |
| Feb | 87 | 70 | 8.1 | 18 | 10.0 | 79 |
| Mar | 85 | 69 | 7.6 | 20 | 9.5 | 81 |
| Apr | 83 | 66 | 3.4 | 12 | 9.5 | 81 |
| May | 78 | 62 | 1.9 | 9 | 8.7 | 80 |
| Jun | 78 | 59 | 1.1 | 5 | 8.8 | 80 |
| Jul | 77 | 58 | 1.1 | 5 | 8.5 | 78 |
| Aug | 79 | 59 | 1.1 | 6 | 9.2 | 74 |
| Sep | 81 | 62 | 2.7 | 11 | 8.8 | 75 |
| Oct | 83 | 66 | 4.6 | 15 | 8.8 | 77 |
| Nov | 83 | 68 | 8.0 | 19 | 8.9 | 80 |
| Dec | 85 | 70 | 9.8 | 21 | 9.5 | 80 |
Similar climates
Want a side-by-side climate view? Compare Barra Mansa 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 27, 2026
Data & methodology