# Climate Insights for Balsas

*Source: [Airpult](https://airpult.com/climate/br/balsas/3823415390) — Balsas, Maranhão, Brazil*

The climate in Balsas is cold. The average annual temperature is 1°C and approximately 166mm of precipitation falls per year. August is the wettest month, receiving around 24mm of rainfall. Balsas sits near the equator, so seasonal temperature differences are minimal throughout the year. Snowfall occurs from March to December, with around 74cm accumulating over the season.

## Key insights

- **Hottest month:** December (peak 1°C)
- **Coldest month:** November (low 0°C)
- **Wettest month:** August (24 mm)

## Monthly climate data

The table below shows monthly climate averages for Balsas 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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 | Avg low (°C) | Avg high (°C) | Mean (°C) | Precip (mm) | Wind (km/h) | Snow (cm) |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| Jan | 0 | 1 | 1 | 3 | 3 | 0 |
| Feb | 0 | 1 | 1 | 5 | 4 | 0 |
| Mar | 0 | 1 | 1 | 6 | 5 | 2 |
| Apr | 0 | 1 | 1 | 10 | 6 | 5 |
| May | 0 | 1 | 1 | 17 | 7 | 12 |
| Jun | 0 | 1 | 1 | 11 | 8 | 6 |
| Jul | 0 | 1 | 1 | 12 | 8 | 3 |
| Aug | 1 | 1 | 1 | 24 | 8 | 9 |
| Sep (current) | 1 | 1 | 1 | 22 | 7 | 9 |
| Oct | 0 | 1 | 1 | 20 | 6 | 10 |
| Nov | 0 | 1 | 1 | 17 | 5 | 9 |
| Dec | 0 | 1 | 1 | 19 | 5 | 10 |

## Temperature

Balsas has relatively stable temperatures year-round, staying within a 1°C range. December is the warmest month, though highs remain moderate at 1°C with a mean of 1°C. November is the coolest month, with minimum temperatures around 0°C and an average of 1°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

## Precipitation

Balsas is a quite dry location, receiving approximately 166mm of precipitation annually, which averages out to around 14mm per month. The wettest month is August, averaging 24mm of rainfall. September and October also tend to see above-average precipitation. The driest month is January, with just 3mm. That's 21mm less than August, 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. Snowfall is a regular feature from March to December, with around 74cm accumulating over the season. May typically sees the most snow at around 12cm.

## Wind

Balsas is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8km/h in winter, 6km/h in spring, 4km/h in summer, 6km/h in autumn.

## Seasons

Currently it is **winter** (astronomical) / **winter** (meteorological) in Balsas.
Spring begins September 23, 2026 (16 days from now).

| Season | Begins |
| --- | --- |
| Spring | September 23 |
| Summer | December 21 |
| Autumn | March 20 |
| Winter | June 21 |

It is currently winter in Balsas, which began on June 21, 2026. Balsas sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in December at around 1°C, while the coldest stretch bottoms out in November near 0°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

### Spring

Temperatures range from 0 to 1°C. Rainfall is relatively light, with around 60mm over the season and a monthly average of 20mm. Winds are generally light, averaging 6km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

### Summer

Temperatures range from 0 to 1°C. Precipitation is minimal, with only around 27mm for the entire season. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

### Autumn

Temperatures range from 0 to 1°C. Precipitation is minimal, with only around 32mm for the entire season. Expect around 19cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

### Winter

Temperatures range from 0 to 1°C. Rainfall is relatively light, with around 47mm over the season and a monthly average of 16mm. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.