Climate averages 1991–2020
Montero weather
in January.
A hot, very wet month: the joint 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Montero: daytime highs average 29.3°C and nights cool to about 22.5°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 232 mm of rain on roughly 23 days, which makes January a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 02 min on an average January day.
The nearest other city in this atlas is Santa Cruz de la Sierra (50 km away). In January its highs average 29.4°C, about as warm as Montero, with 172 mm of rain.
Among the 14 cities listed in Bolivia, Montero ranks joint 4th of 14 for the warmest January highs and 11th of 14 for the driest January (rainfall, lowest first). The mean January high of those 14 cities is 21.8°C; Montero is 7.5°C warmer than that mean.
From January to February, average highs fall by 0.6°C to 28.7°C, and monthly rainfall falls from 232 mm to 210 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Montero climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 29.3°C22.5°C | 22.5°C | 232 | 22.6 | 13.013 h |
| February | 28.7°C22.2°C | 22.2°C | 210 | 21.1 | 12.713 h |
| March | 28.7°C22.0°C | 22.0°C | 155 | 19.6 | 12.212 h |
| April | 27.7°C20.8°C | 20.8°C | 96 | 14.0 | 11.712 h |
| May | 25.1°C18.6°C | 18.6°C | 82 | 12.0 | 11.311 h |
| June | 24.2°C17.6°C | 17.6°C | 61 | 9.9 | 11.111 h |
| July | 24.5°C16.8°C | 16.8°C | 46 | 6.6 | 11.211 h |
| August | 27.2°C18.2°C | 18.2°C | 50 | 5.8 | 11.512 h |
| September | 29.1°C20.0°C | 20.0°C | 96 | 8.4 | 12.012 h |
| October | 29.7°C21.6°C | 21.6°C | 137 | 14.6 | 12.512 h |
| November | 29.3°C21.8°C | 21.8°C | 172 | 17.1 | 12.913 h |
| December | 29.2°C22.4°C | 22.4°C | 239 | 23.3 | 13.113 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Santa Cruz de la Sierra in JanuaryBolivia · 50 kmHigh 29.4°C · Low 22.0°C · 172 mm rain
- Sucre in JanuaryBolivia · 284 kmHigh 18.7°C · Low 10.5°C · 205 mm rain
- Sacaba in JanuaryBolivia · 296 kmHigh 19.7°C · Low 12.0°C · 230 mm rain
- Cochabamba in JanuaryBolivia · 309 kmHigh 20.8°C · Low 12.9°C · 187 mm rain
- Quillacollo in JanuaryBolivia · 321 kmHigh 20.8°C · Low 12.7°C · 187 mm rain
- Trinidad in JanuaryBolivia · 330 kmHigh 29.3°C · Low 23.6°C · 330 mm rain
- Potosí in JanuaryBolivia · 363 kmHigh 13.3°C · Low 4.7°C · 171 mm rain
- Oruro in JanuaryBolivia · 413 kmHigh 14.0°C · Low 4.6°C · 143 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Montero) is explained once on the Montero year overview and on the Sources, method and limits page.