Climate averages 1991–2020
Tarija weather
in December.
A warm, very wet month: one of the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Tarija: daytime highs average 22.9°C and nights cool to about 14.2°C. By daytime temperature it is one of the warmest months of the year.
Expect about 194 mm of rain on roughly 25 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 25 min on an average December day.
The nearest other city in this atlas is Yacuiba (121 km away). In December its highs average 29.8°C, 6.9°C warmer than Tarija, with 215 mm of rain.
Among the 14 cities listed in Bolivia, Tarija ranks 6th of 14 for the warmest December highs and 10th of 14 for the driest December (rainfall, lowest first). The mean December high of those 14 cities is 22.5°C; Tarija is 0.4°C warmer than that mean.
From December to January, average highs fall by 0.1°C to 22.8°C, and monthly rainfall rises from 194 mm to 220 mm.
The annual picture
December 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
Tarija climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.8°C14.6°C | 14.6°C | 220 | 24.8 | 13.313 h |
| February | 22.0°C14.1°C | 14.1°C | 191 | 22.0 | 12.813 h |
| March | 21.7°C13.6°C | 13.6°C | 163 | 21.8 | 12.212 h |
| April | 20.7°C11.4°C | 11.4°C | 72 | 13.8 | 11.612 h |
| May | 19.2°C7.6°C | 7.6°C | 24 | 6.9 | 11.111 h |
| June | 19.5°C5.2°C | 5.2°C | 9.2 | 3.2 | 10.811 h |
| July | 19.1°C4.2°C | 4.2°C | 8.5 | 2.7 | 11.011 h |
| August | 20.8°C5.9°C | 5.9°C | 15 | 4.5 | 11.411 h |
| September | 22.0°C8.5°C | 8.5°C | 34 | 8.4 | 12.012 h |
| October | 22.9°C11.7°C | 11.7°C | 86 | 17.3 | 12.613 h |
| November | 22.5°C12.8°C | 12.8°C | 130 | 20.5 | 13.113 h |
| December, selected | 22.9°C14.2°C | 14.2°C | 194 | 24.5 | 13.413 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
December in nearby cities
- Yacuiba in DecemberBolivia · 121 kmHigh 29.8°C · Low 20.5°C · 215 mm rain
- San Ramón de la Nueva Orán in DecemberArgentina · 183 kmHigh 30.5°C · Low 21.2°C · 193 mm rain
- Potosí in DecemberBolivia · 242 kmHigh 14.9°C · Low 4.8°C · 133 mm rain
- Sucre in DecemberBolivia · 284 kmHigh 19.6°C · Low 10.7°C · 152 mm rain
- Calama in DecemberChile · 444 kmHigh 25.2°C · Low 7.5°C · 1.3 mm rain
- Santa Cruz de la Sierra in DecemberBolivia · 447 kmHigh 29.2°C · Low 21.9°C · 165 mm rain
- Oruro in DecemberBolivia · 467 kmHigh 15.9°C · Low 4.6°C · 105 mm rain
- Sacaba in DecemberBolivia · 480 kmHigh 20.6°C · Low 12.2°C · 173 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 Tarija) is explained once on the Tarija year overview and on the Sources, method and limits page.