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Mossoró Weather by Month
Average temperatures, rainfall and humidity for Mossoró, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Mossoró month looks like before you travel — then check the live Mossoró forecast for the days ahead.
Warmest month
September
36°C average high
Coolest month
August
21°C average low
Wettest month
March
135 mm of rain
Driest month
September
1 mm of rain
Average temperature and rainfall in Mossoró by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 35°C | 24°C | 19°C / 39°C | 43 mm | 66% | 16 km/h |
| February | 34°C | 24°C | 20°C / 39°C | 80 mm | 70% | 14 km/h |
| March | 34°C | 23°C | 21°C / 39°C | 135 mm | 75% | 12 km/h |
| April | 33°C | 23°C | 20°C / 39°C | 135 mm | 76% | 11 km/h |
| May | 34°C | 23°C | 20°C / 38°C | 57 mm | 73% | 12 km/h |
| June | 34°C | 22°C | 19°C / 40°C | 21 mm | 67% | 14 km/h |
| July | 34°C | 22°C | 19°C / 38°C | 15 mm | 63% | 16 km/h |
| August | 36°C | 21°C | 18°C / 40°C | 3 mm | 57% | 17 km/h |
| September | 36°C | 22°C | 18°C / 40°C | 1 mm | 56% | 19 km/h |
| October | 36°C | 23°C | 19°C / 40°C | 3 mm | 58% | 20 km/h |
| November | 36°C | 23°C | 21°C / 41°C | 8 mm | 60% | 19 km/h |
| December | 36°C | 24°C | 20°C / 39°C | 19 mm | 62% | 19 km/h |
Best time to visit Mossoró
The most comfortable time to visit Mossoró is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around March, totalling about 520 mm a year.
Travellers who prefer heat should aim for September, when highs average 36°C. March is the month to avoid if rain would spoil your plans — it averages 135 mm, roughly 135× the rainfall of the driest month (September).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Mossoró forecast for what is happening now.
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