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Riobamba Weather by Month
Average temperatures, rainfall and humidity for Riobamba, Ecuador, month by month, built from OpenWeather’s historical records. Use it to see what a typical Riobamba month looks like before you travel — then check the live Riobamba forecast for the days ahead.
Warmest month
September
20°C average high
Coolest month
August
6°C average low
Wettest month
March
246 mm of rain
Driest month
August
77 mm of rain
Average temperature and rainfall in Riobamba 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 | 19°C | 7°C | -1°C / 32°C | 143 mm | 81% | 6 km/h |
| February | 19°C | 8°C | -1°C / 33°C | 229 mm | 83% | 6 km/h |
| March | 19°C | 8°C | 0°C / 34°C | 246 mm | 84% | 6 km/h |
| April | 20°C | 8°C | 0°C / 32°C | 155 mm | 83% | 6 km/h |
| May | 19°C | 8°C | 1°C / 39°C | 124 mm | 82% | 7 km/h |
| June | 19°C | 7°C | -3°C / 33°C | 110 mm | 81% | 7 km/h |
| July | 18°C | 6°C | -4°C / 28°C | 93 mm | 80% | 8 km/h |
| August | 19°C | 6°C | -5°C / 33°C | 77 mm | 79% | 8 km/h |
| September | 20°C | 6°C | -2°C / 34°C | 82 mm | 78% | 8 km/h |
| October | 19°C | 7°C | -2°C / 32°C | 134 mm | 81% | 6 km/h |
| November | 20°C | 8°C | -5°C / 33°C | 132 mm | 82% | 6 km/h |
| December | 20°C | 7°C | -2°C / 30°C | 145 mm | 81% | 6 km/h |
Best time to visit Riobamba
The most comfortable time to visit Riobamba is generally July to September, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around March, totalling about 1,670 mm a year.
Travellers who prefer heat should aim for September, when highs average 20°C. March is the month to avoid if rain would spoil your plans — it averages 246 mm, roughly 3× the rainfall of the driest month (August).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Riobamba forecast for what is happening now.