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São Gonçalo Weather by Month
Average temperatures, rainfall and humidity for São Gonçalo, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical São Gonçalo month looks like before you travel — then check the live São Gonçalo forecast for the days ahead.
Warmest month
January
31°C average high
Coolest month
July
18°C average low
Wettest month
January
61 mm of rain
Driest month
July
20 mm of rain
Average temperature and rainfall in São Gonçalo 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 | 31°C | 24°C | 19°C / 38°C | 61 mm | 78% | 12 km/h |
| February | 31°C | 24°C | 18°C / 38°C | 60 mm | 79% | 12 km/h |
| March | 30°C | 23°C | 18°C / 37°C | 57 mm | 80% | 12 km/h |
| April | 28°C | 22°C | 12°C / 36°C | 36 mm | 79% | 11 km/h |
| May | 27°C | 20°C | 11°C / 37°C | 27 mm | 80% | 10 km/h |
| June | 26°C | 19°C | 10°C / 34°C | 24 mm | 81% | 10 km/h |
| July | 26°C | 18°C | 10°C / 36°C | 20 mm | 78% | 11 km/h |
| August | 26°C | 18°C | 12°C / 37°C | 27 mm | 78% | 11 km/h |
| September | 28°C | 20°C | 12°C / 39°C | 31 mm | 78% | 12 km/h |
| October | 28°C | 21°C | 15°C / 37°C | 54 mm | 79% | 13 km/h |
| November | 28°C | 21°C | 15°C / 39°C | 59 mm | 80% | 13 km/h |
| December | 30°C | 23°C | 17°C / 38°C | 54 mm | 79% | 13 km/h |
Best time to visit São Gonçalo
The most comfortable time to visit São Gonçalo 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 January, totalling about 509 mm a year.
Travellers who prefer heat should aim for January, when highs average 31°C. January is the month to avoid if rain would spoil your plans — it averages 61 mm, roughly 3× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the São Gonçalo forecast for what is happening now.