Laja climate — normals and trends
Laja (Bolivia) has a tundra climate (ET) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 940 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 November (9.7 °C on average) and the coldest is July (5.5 °C). Rainfall peaks in January.
Laja averages 95 frost days, 0 hot days (≥ 30 °C) and 178 rainy days per year.
Laja has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 129 to 61 per year over the period.
The hottest day of the period reached 23.3 °C (on 20 November 2022) and the coldest -12.4 °C (on 8 September 1955).
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
LajaLa Paz Department
- coords
- -16.53°, -68.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
14.1°C
Average daily low
2.1°C
Annual rainfall
940mm
Sunshine / day
11.0h
Mean relative humidity
61%
Average peak wind
13.2km/h
Seasonal range
4.2°C
Frost days (< 0 °C)
95 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
178 d/yr
Annual snowfall
30.0 cm
Average feels-like high
12.4 °C
Average feels-like low
-0.8 °C
Average peak gust
31.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
23.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.76 · 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
23.3 °C
20 November 2022
Coldest day
-12.4 °C
8 September 1955
Wettest day
45 mm
29 January 1967
Windiest day
44.0 km/h
28 July 1987
Strongest gust
82.1 km/h
28 July 1987
Hottest feels-like
21.7 °C
11 October 2023
Coldest feels-like
-17.1 °C
8 September 1955
Snowiest day
17.4 cm
21 December 1954
Sunniest day
13.0 h
14 December 1940
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 | 14.1 °C | +0.7 °C | 248 mm | +49 mm |
| Feb | 14.8 °C | +1.3 °C | 183 mm | +7 mm |
| Mar | 14.1 °C | +0.5 °C | 265 mm | +125 mm |
| Apr | 14.5 °C | +0.9 °C | 91 mm | +31 mm |
| May | 14.2 °C | +0.6 °C | 28 mm | +10 mm |
| Jun | 13.6 °C | +0.4 °C | 6 mm | -3 mm |
| Jul | 14.9 °C | +1.6 °C | 10 mm | +2 mm |
| Aug | 15.1 °C | +0.7 °C | 22 mm | +6 mm |
| Sep | 16.2 °C | +1.1 °C | 41 mm | +5 mm |
| Oct | 15.3 °C | -0.6 °C | 98 mm | +46 mm |
| Nov | 16.0 °C | +0.2 °C | 90 mm | +10 mm |
| Dec | 15.9 °C | +1.6 °C | 122 mm | -24 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 Laja?
Laja has a tundra climate (Köppen ET). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 940 mm of precipitation per year.
What is the hottest day ever recorded in Laja?
The hottest day measured in Laja between 1940 and 2025 was 20 November 2022, reaching 23.3 °C.
What is the coldest day in Laja?
The coldest day measured in Laja between 1940 and 2025 was 8 September 1955, at -12.4 °C.
Does it snow in Laja?
Yes. Laja gets on average 30.0 cm of snow per year and has around 95 frost days.
Has the climate of Laja warmed?
Yes: Laja warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Laja?
The wettest day measured in Laja between 1940 and 2025 was 29 January 1967, with 45 mm of rain in 24 hours.
What was the windiest day in Laja?
The windiest day measured in Laja between 1940 and 2025 was 28 July 1987, with winds reaching 44.0 km/h.
What is the warmest month in Laja?
The warmest month in Laja is November (9.7 °C on average); the coldest is July (5.5 °C).
How much does it rain in Laja?
Laja receives on average 940 mm of precipitation per year, spread over about 178 rainy days.
Is it sunny in Laja?
Laja gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Laja?
The heaviest 24-hour snowfall measured in Laja between 1940 and 2025 was 21 December 1954, with 17.4 cm.
Are there tropical nights in Laja?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Laja.
What was the most extreme apparent temperature in Laja?
In Laja, between 1940 and 2025, the highest apparent temperature reached 21.7 °C on 11 October 2023, and the lowest was -17.1 °C on 8 September 1955.
Compare Laja with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Laja