Climate averages 1991–2020
Montero weather
in May.
A warm, moderately wet month: the 10th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Montero: daytime highs average 25.1°C and nights cool to about 18.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 82 mm of rain on roughly 12 days, which makes May a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 19 min on an average May day.
The nearest other city in this atlas is Santa Cruz de la Sierra (50 km away). In May its highs average 24.6°C, about as warm as Montero, with 61 mm of rain.
Among the 14 cities listed in Bolivia, Montero ranks 3rd of 14 for the warmest May highs and 13th of 14 for the driest May (rainfall, lowest first). The mean May high of those 14 cities is 20.3°C; Montero is 4.7°C warmer than that mean.
From May to June, average highs fall by 0.8°C to 24.2°C, and monthly rainfall falls from 82 mm to 61 mm.
The annual picture
May 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 | 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, selected | 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
May in nearby cities
- Santa Cruz de la Sierra in MayBolivia · 50 kmHigh 24.6°C · Low 18.0°C · 61 mm rain
- Sucre in MayBolivia · 284 kmHigh 18.3°C · Low 6.5°C · 19 mm rain
- Sacaba in MayBolivia · 296 kmHigh 19.8°C · Low 8.7°C · 37 mm rain
- Cochabamba in MayBolivia · 309 kmHigh 21.2°C · Low 9.1°C · 12 mm rain
- Quillacollo in MayBolivia · 321 kmHigh 21.7°C · Low 9.0°C · 12 mm rain
- Trinidad in MayBolivia · 330 kmHigh 27.6°C · Low 20.9°C · 84 mm rain
- Potosí in MayBolivia · 363 kmHigh 14.3°C · Low -1.5°C · 6.2 mm rain
- Oruro in MayBolivia · 413 kmHigh 14.4°C · Low -0.4°C · 7.3 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.