São Domingos do Maranhão in Fall
In fall (March, April and May), São Domingos do Maranhão sees average daytime highs around 31°C and overnight lows near 23°C, with 533 mm of rain over about 64 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 10% of the time across fall, and the air most often feels oppressive.
Fall is São Domingos do Maranhão's 2nd-best season to visit on our travel score. For the whole year in context, see São Domingos do Maranhão's year-round climate.
- Avg daytime high
- 31°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 533 mm
- 64 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.4
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in São Domingos do Maranhão in Fall
Across fall, daytime highs hold fairly steady around 31°C.
A typical fall day in São Domingos do Maranhão reaches about 31°C and drops to 23°C overnight. The warmest of the three months is May, the coolest March.
How fall really feels in São Domingos do Maranhão
Once humidity and wind are folded in, fall brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
São Domingos do Maranhão weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 23° | 242 | 26.2 | 12.3 | 2.9 |
| Feb | 30° / 23° | 228 | 24.5 | 12.2 | 2.9 |
| Mar | 30° / 23° | 265 | 27.9 | 12 | 2.8 |
| Apr | 30° / 23° | 185 | 23.2 | 11.9 | 3.2 |
| May | 31° / 23° | 83 | 12.6 | 11.7 | 4.1 |
| Jun | 32° / 23° | 11 | 2.6 | 11.7 | 4.7 |
| Jul | 33° / 22° | 7 | 0.9 | 11.7 | 4.5 |
| Aug | 34° / 23° | 2 | 0.4 | 11.8 | 3.8 |
| Sep | 35° / 23° | 12 | 1.8 | 12 | 3.0 |
| Oct | 35° / 24° | 30 | 5.2 | 12.1 | 3.0 |
| Nov | 33° / 24° | 84 | 11.7 | 12.3 | 3.2 |
| Dec | 32° / 23° | 140 | 18.1 | 12.3 | 3.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 10% of the time across fall.
Chance of precipitation in Fall
São Domingos do Maranhão gets around 533 mm of rain over 64 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early March to 11 h 42 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.6 kWh/m².
Hazard calendar for São Domingos do Maranhão
In fall, São Domingos do Maranhão overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
São Domingos do Maranhão's monsoon runs December–April, when most of the year's rain falls.
Is fall a good time to visit São Domingos do Maranhão?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in São Domingos do Maranhão.
What to pack for São Domingos do Maranhão in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, São Domingos do Maranhão sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 64 days see rain.
UV index in São Domingos do Maranhão in Fall
Clear-sky midday UV across fall averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in São Domingos do Maranhão peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 15 | 15 | 14 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 11 | Extreme |
Air quality in São Domingos do Maranhão in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in São Domingos do Maranhão is worst in October — around 55 µg/m³ PM2.5 (unhealthy), about 6.3× the cleanest month (June, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 14 | 13 | 12 | 10 | 9 | 9 | 18 | 27 | 55 | 30 | 22 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Unhealthy | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 14 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Good |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 18 | Moderate |
| Sep | 27 | Moderate |
| Oct | 55 | Unhealthy |
| Nov | 30 | Moderate |
| Dec | 22 | Moderate |
Where is São Domingos do Maranhão?
São Domingos do Maranhão sits at 5.6°S, 44.4°W, 179 m above sea level, in Brazil. The nearest listed city is Fortuna, 31 km away.
Topography around São Domingos do Maranhão
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Domingos do Maranhão.
Within 3 km, the terrain around São Domingos do Maranhão has only modest variations in elevation — a maximum elevation change of 63 m around an average of 188 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 172 m; within 80 km, significant variations in elevation — a maximum elevation change of 443 m.
The land around São Domingos do Maranhão is covered by grassland (49%) and trees (37%) within 3 km, grassland (49%) and trees (45%) within 16 km, and trees (65%) and grassland (31%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for São Domingos do Maranhão (-5.5758°, -44.3853°, elevation 179 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.