Temperature
Warm by day, warm at night.
Warm days and some sun. Humid air is the main drawback.
Warm by day, warm at night.
It rains on most days, with a mix of brief and longer spells. About 22 wet days, the highest monthly average.
Cloudier spells limit sunshine.
Very humid air is a major factor this month.
In March, afternoons feel about 90° and nights feel near 85°.
Mostly cloudy skies this month.
Calm winds are typical in March.
March late afternoons are around 82°F, easing to about 80°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 84 | 77 | 10.6 | 22 | 11.8 | 83 |
| Feb | 84 | 77 | 9.9 | 22 | 11.5 | 84 |
| Mar | 84 | 77 | 8.1 | 22 | 10.8 | 83 |
| Apr | 82 | 75 | 3.5 | 17 | 10.8 | 82 |
| May | 79 | 72 | 2.7 | 16 | 10.4 | 81 |
| Jun | 76 | 68 | 1.7 | 12 | 10.4 | 79 |
| Jul | 75 | 67 | 1.6 | 13 | 10.6 | 79 |
| Aug | 75 | 67 | 1.5 | 11 | 10.8 | 77 |
| Sep | 77 | 68 | 1.4 | 10 | 11.5 | 76 |
| Oct | 79 | 70 | 2.0 | 12 | 11.8 | 77 |
| Nov | 81 | 72 | 3.5 | 16 | 12.0 | 79 |
| Dec | 83 | 75 | 5.2 | 20 | 12.3 | 81 |
Similar climates
Want a side-by-side climate view? Compare Saint-Denis with Puerto Iguazu.
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: Jun 1, 2026
Data & methodology