Climate Insights for Brejo

Brejo, Maranhão, Brazil

Hottest
October
37°C peak
Coldest
July
23°C low
Wettest
March
423mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Brejo is hot. The average annual temperature is 28°C and approximately 1688mm of precipitation falls per year. March is the wettest month, receiving around 423mm of rainfall. Brejo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 33° Average: 28° Min: 24° Feb Max: 32° Average: 27° Min: 24° Mar Max: 31° Average: 27° Min: 24° Apr Max: 31° Average: 27° Min: 24° May Max: 32° Average: 28° Min: 24° Jun Max: 32° Average: 28° Min: 23° Jul Max: 33° Average: 28° Min: 23° Aug Max: 35° Average: 29° Min: 23° Sep Max: 36° Average: 30° Min: 24° Oct Max: 37° Average: 30° Min: 25° Nov Max: 36° Average: 30° Min: 25° Dec Max: 35° Average: 29° Min: 25°
Max
Average
Min

Brejo sees moderate temperature variation throughout the year, ranging from 23°C to 37°C. October is the hottest month, with daytime highs reaching 37°C and an average of 30°C. July is the coolest month, with minimum temperatures around 23°C and an average of 28°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 249mm Feb Precipitation: 324mm Mar Precipitation: 423mm Apr Precipitation: 372mm May Precipitation: 154mm Jun Precipitation: 20mm Jul Precipitation: 15mm Aug Precipitation: 2mm Sep Precipitation: 2mm Oct Precipitation: 7mm Nov Precipitation: 45mm Dec Precipitation: 76mm
Precipitation

Brejo is a fairly wet location, receiving approximately 1688mm of precipitation annually, which averages out to around 141mm per month. The wettest month is March, averaging 423mm of rainfall. April and February also tend to see above-average precipitation. The driest month is September, with just 2mm. That's 421mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 3km/h Sep Wind Speed: 3km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Brejo is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 1km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

92 days until Spring

It is currently winter in Brejo, which began on June 21, 2026. Brejo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 37°C, while the coldest stretch bottoms out in July near 23°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 24 to 37°C. Rainfall is relatively light, with around 53mm over the season and a monthly average of 18mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 24 to 35°C. Rainfall is heavy, totalling around 649mm across the season with a monthly average of 216mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 948mm across the season with a monthly average of 316mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 35°C. Precipitation is minimal, with only around 38mm for the entire season. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Brejo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
24 °C
33 °C
2 km/h
249 mm
0 cm
Feb
24 °C
32 °C
2 km/h
324 mm
0 cm
Mar
24 °C
31 °C
2 km/h
423 mm
0 cm
Apr
24 °C
31 °C
2 km/h
372 mm
0 cm
May
24 °C
32 °C
2 km/h
154 mm
0 cm
Jun Current
23 °C
32 °C
2 km/h
20 mm
0 cm
Jul
23 °C
33 °C
2 km/h
15 mm
0 cm
Aug
23 °C
35 °C
3 km/h
2 mm
0 cm
Sep
24 °C
36 °C
3 km/h
2 mm
0 cm
Oct
25 °C
37 °C
3 km/h
7 mm
0 cm
Nov
25 °C
36 °C
3 km/h
45 mm
0 cm
Dec
25 °C
35 °C
3 km/h
76 mm
0 cm
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