Temperature
Hot by day, warm at night.
85°Ftypical March high
Typical range
March climate
March in São Luís
Brazil · South America
Not the best time: Humid air is the main limitation.
Not an ideal month
Daytime high
85°F
Lows around 76°F
Rain
Rain most days
Sun
9 h/day
Air feel
Very humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 30 wet days, the highest monthly average.
97%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
9 hMarch sunshine
Heat & humidity by month
Very humid air is a major factor this month.
59%March Heat feel
Hot airHumid airVery humid air
Hourly temperature pattern
In March, afternoons feel about 90° and nights feel near 84°.
WarmHotNight hours
Clear sky
Overcast skies this month.
15%March Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in March.
6 mphMarch Calm
More detailIncludes daypart comfort
Typical March day
March late afternoons are around 83°F, easing to about 79°F in early evening.
Avg temp Typical range
Morning81°F
Feels 88°F
Rain65%
Cloud81%
Humid airVery high
Sun intensityModerate
Midday84°F
Feels 91°F
Rain85%
Cloud84%
Humid airVery high
Sun intensityStrong
Late afternoon83°F
Feels 89°F
Rain86%
Cloud88%
Humid airVery high
Sun intensityModerate
Early evening79°F
Feels 86°F
Rain57%
Cloud90%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 87 | 76 | 8.5 | 25 | 10.3 | 81 |
| Feb | 85 | 76 | 11.2 | 26 | 9.6 | 84 |
| Mar | 85 | 76 | 15.8 | 30 | 9.0 | 86 |
| Apr | 85 | 76 | 15.9 | 29 | 9.1 | 86 |
| May | 86 | 76 | 10.6 | 26 | 10.3 | 85 |
| Jun | 86 | 76 | 4.7 | 19 | 11.3 | 82 |
| Jul | 87 | 76 | 2.9 | 14 | 11.6 | 80 |
| Aug | 89 | 77 | 0.8 | 5 | 11.8 | 76 |
| Sep | 90 | 78 | 0.4 | 3 | 11.8 | 73 |
| Oct | 90 | 78 | 0.6 | 4 | 11.7 | 73 |
| Nov | 89 | 78 | 1.3 | 7 | 11.5 | 74 |
| Dec | 89 | 78 | 3.1 | 15 | 11.3 | 76 |
Similar climates
Similar
Similar travel styleAracajuBrazilSimilar travel styleSingaporeSingaporeSimilar travel styleAraucaColombiaSimilar travel styleKuala LumpurMalaysia
Want a side-by-side climate view? Compare São Luís with Aracaju.
Climate data notePlanning guidance, not a forecast
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