Tarija climate — normals and trends
Tarija (Bolivia) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 1,245 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (14.6 °C on average) and the coldest is July (8.9 °C). Rainfall peaks in January.
Tarija averages 20 frost days, 0 hot days (≥ 30 °C) and 184 rainy days per year.
Tarija has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.6 °C (on 8 September 1997) and the coldest -8.7 °C (on 5 August 1966).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
TarijaTarija Department
- coords
- -21.54°, -64.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
19.0°C
Average daily low
7.2°C
Annual rainfall
1,245mm
Sunshine / day
10.1h
Mean relative humidity
75%
Average peak wind
11.4km/h
Seasonal range
5.7°C
Frost days (< 0 °C)
20 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
184 d/yr
Annual snowfall
3.1 cm
Average feels-like high
18.5 °C
Average feels-like low
5.4 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.63 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
31.6 °C
8 September 1997
Coldest day
-8.7 °C
5 August 1966
Wettest day
149 mm
19 February 1950
Windiest day
29.9 km/h
29 August 1961
Strongest gust
91.4 km/h
21 July 2009
Hottest feels-like
31.5 °C
17 February 1998
Coldest feels-like
-13.0 °C
20 August 1965
Snowiest day
13.5 cm
24 July 2019
Sunniest day
13.2 h
6 December 2014
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 19.8 °C | +0.1 °C | 279 mm | +51 mm |
| Feb | 21.7 °C | +2.4 °C | 98 mm | -100 mm |
| Mar | 19.4 °C | +0.2 °C | 255 mm | +83 mm |
| Apr | 18.2 °C | -0.5 °C | 52 mm | -29 mm |
| May | 20.3 °C | +2.1 °C | 18 mm | -10 mm |
| Jun | 17.1 °C | -0.7 °C | 7 mm | -4 mm |
| Jul | 18.6 °C | +0.9 °C | 6 mm | -6 mm |
| Aug | 18.7 °C | 0.0 °C | 5 mm | -17 mm |
| Sep | 21.3 °C | +1.8 °C | 43 mm | +1 mm |
| Oct | 20.1 °C | 0.0 °C | 103 mm | +8 mm |
| Nov | 20.8 °C | +1.1 °C | 100 mm | -48 mm |
| Dec | 20.4 °C | +0.7 °C | 241 mm | +33 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Tarija?
Tarija has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,245 mm of precipitation per year.
What is the hottest day ever recorded in Tarija?
The hottest day measured in Tarija between 1940 and 2025 was 8 September 1997, reaching 31.6 °C.
What is the coldest day in Tarija?
The coldest day measured in Tarija between 1940 and 2025 was 5 August 1966, at -8.7 °C.
Does it snow in Tarija?
Yes. Tarija gets on average 3.1 cm of snow per year and has around 20 frost days.
Has the climate of Tarija warmed?
Yes: Tarija warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tarija?
The wettest day measured in Tarija between 1940 and 2025 was 19 February 1950, with 149 mm of rain in 24 hours.
What was the windiest day in Tarija?
The windiest day measured in Tarija between 1940 and 2025 was 29 August 1961, with winds reaching 29.9 km/h.
What is the warmest month in Tarija?
The warmest month in Tarija is January (14.6 °C on average); the coldest is July (8.9 °C).
How much does it rain in Tarija?
Tarija receives on average 1,245 mm of precipitation per year, spread over about 184 rainy days.
Is it sunny in Tarija?
Tarija gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tarija?
The heaviest 24-hour snowfall measured in Tarija between 1940 and 2025 was 24 July 2019, with 13.5 cm.
Are there tropical nights in Tarija?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tarija.
What was the most extreme apparent temperature in Tarija?
In Tarija, between 1940 and 2025, the highest apparent temperature reached 31.5 °C on 17 February 1998, and the lowest was -13.0 °C on 20 August 1965.
Compare Tarija with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tarija