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Montero Weather by Month
Average temperatures, rainfall and humidity for Montero, Bolivia, month by month, built from OpenWeather's historical records. Use it to see what a typical Montero month looks like before you travel — then check the live Montero forecast for the days ahead.
Warmest month
September
32°C average high
Coolest month
June
16°C average low
Wettest month
October
104 mm of rain
Driest month
July
18 mm of rain
Average temperature and rainfall in Montero 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 | 23°C | 17°C / 39°C | 70 mm | 77% | 18 km/h |
| February | 31°C | 22°C | 15°C / 39°C | 65 mm | 79% | 16 km/h |
| March | 30°C | 22°C | 14°C / 37°C | 80 mm | 79% | 15 km/h |
| April | 29°C | 20°C | 10°C / 35°C | 69 mm | 79% | 16 km/h |
| May | 26°C | 18°C | 6°C / 33°C | 83 mm | 79% | 17 km/h |
| June | 25°C | 16°C | 6°C / 33°C | 36 mm | 77% | 18 km/h |
| July | 26°C | 16°C | 5°C / 36°C | 18 mm | 68% | 19 km/h |
| August | 29°C | 18°C | 6°C / 37°C | 28 mm | 59% | 20 km/h |
| September | 32°C | 20°C | 9°C / 41°C | 53 mm | 58% | 20 km/h |
| October | 32°C | 21°C | 13°C / 41°C | 104 mm | 66% | 19 km/h |
| November | 32°C | 22°C | 13°C / 41°C | 90 mm | 71% | 18 km/h |
| December | 31°C | 22°C | 13°C / 38°C | 103 mm | 77% | 19 km/h |
Best time to visit Montero
The most comfortable time to visit Montero is generally May to July, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around October, totalling about 799 mm a year.
Travellers who prefer heat should aim for September, when highs average 32°C. October is the month to avoid if rain would spoil your plans — it averages 104 mm, roughly 6× the rainfall of July.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Montero forecast for what is happening now.