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Pasto Weather by Month
Average temperatures, rainfall and humidity for Pasto, Colombia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Pasto month looks like before you travel — then check the live Pasto forecast for the days ahead.
Warmest month
September
20°C average high
Coolest month
August
8°C average low
Wettest month
March
222 mm of rain
Driest month
September
79 mm of rain
Average temperature and rainfall in Pasto 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 | 18°C | 9°C | 0°C / 24°C | 150 mm | 84% | 6 km/h |
| February | 18°C | 9°C | 4°C / 26°C | 168 mm | 86% | 5 km/h |
| March | 18°C | 10°C | 5°C / 25°C | 222 mm | 87% | 5 km/h |
| April | 18°C | 10°C | 4°C / 35°C | 149 mm | 85% | 6 km/h |
| May | 19°C | 10°C | 4°C / 27°C | 136 mm | 83% | 7 km/h |
| June | 18°C | 9°C | 3°C / 29°C | 120 mm | 81% | 7 km/h |
| July | 19°C | 8°C | 3°C / 26°C | 100 mm | 79% | 8 km/h |
| August | 19°C | 8°C | 1°C / 27°C | 87 mm | 77% | 8 km/h |
| September | 20°C | 8°C | 2°C / 28°C | 79 mm | 77% | 7 km/h |
| October | 18°C | 9°C | 2°C / 26°C | 154 mm | 83% | 6 km/h |
| November | 18°C | 10°C | 3°C / 26°C | 161 mm | 88% | 5 km/h |
| December | 18°C | 9°C | 3°C / 26°C | 163 mm | 86% | 5 km/h |
Best time to visit Pasto
The most comfortable time to visit Pasto 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 1,688 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 222 mm, roughly 3× the rainfall of the driest month (September).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Pasto forecast for what is happening now.
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