Sirinhaém in Fall
In fall (March, April and May), Sirinhaém sees average daytime highs around 28°C and overnight lows near 25°C, with 368 mm of rain over about 66 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 41% of the time across fall, and the air most often feels oppressive.
Fall is Sirinhaém's weakest season of the year to visit on our travel score. Sirinhaém has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Sirinhaém's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 368 mm
- 66 wet days
- Avg wind
- 13 km/h
- Travel score
- 4.5
- weakest season of the year
- Months
- Mar · Apr · May
Temperature in Sirinhaém in Fall
Across fall, daytime highs hold fairly steady around 28°C.
A typical fall day in Sirinhaém reaches about 28°C and drops to 25°C overnight. The warmest of the three months is March, the coolest May.
Sirinhaém 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 | 28° / 25° | 60 | 18.3 | 12.4 | 5.0 |
| Feb | 28° / 25° | 66 | 16.6 | 12.3 | 4.8 |
| Mar | 29° / 25° | 88 | 20 | 12.1 | 4.6 |
| Apr | 28° / 25° | 120 | 21.8 | 11.8 | 4.4 |
| May | 27° / 24° | 160 | 24.1 | 11.6 | 4.6 |
| Jun | 27° / 24° | 185 | 24.8 | 11.5 | 4.5 |
| Jul | 26° / 23° | 155 | 25 | 11.5 | 4.7 |
| Aug | 26° / 23° | 92 | 21.6 | 11.7 | 5.2 |
| Sep | 26° / 23° | 58 | 17.9 | 11.9 | 5.7 |
| Oct | 27° / 24° | 41 | 15.4 | 12.2 | 6.0 |
| Nov | 28° / 24° | 32 | 12.8 | 12.4 | 6.2 |
| Dec | 28° / 25° | 37 | 14.1 | 12.5 | 5.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 41% of the time across fall.
Chance of precipitation in Fall
Sirinhaém gets around 368 mm of rain over 66 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 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early March to 11 h 30 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 5.1 kWh/m².
Hazard calendar for Sirinhaém
In fall, Sirinhaém overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Sirinhaém's rainy season runs March–August, when most of the year's rain falls.
Is fall a good time to visit Sirinhaém?
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 reasonable time to visit Sirinhaém for sightseeing.
What to pack for Sirinhaém in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Sirinhaém sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 66 days see rain.
Sea temperature near Sirinhaém in Fall
The nearest coast averages about 28°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 27 km away) is warmest in April at about 29°C and coldest in August near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 27 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 27 | Warm |
| Dec | 28 | Warm |
UV index in Sirinhaém 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 Sirinhaém peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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) | 14 | 14 | 15 | 13 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Sirinhaém?
Sirinhaém sits at 8.6°S, 35.1°W, 43 m above sea level, in Brazil. The nearest listed city is Rio Formoso, 10 km away.
Topography around Sirinhaém
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sirinhaém.
Within 3 km, the terrain around Sirinhaém has only modest variations in elevation — a maximum elevation change of 107 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 200 m; within 80 km, large variations in elevation — a maximum elevation change of 859 m.
The land around Sirinhaém is covered by trees (32%), grassland (30%) and cropland (30%) within 3 km, trees (32%), grassland (26%) and water (22%) within 16 km, and grassland (42%) and water (32%) 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 Sirinhaém (-8.5908°, -35.1161°, elevation 43 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.