Juliaca climate — normals and trends
Juliaca (Peru) has a tundra climate (ET) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °C and it receives 1,094 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 (9.8 °C on average) and the coldest is June (5.9 °C). Rainfall peaks in January.
Juliaca averages 120 frost days, 0 hot days (≥ 30 °C) and 174 rainy days per year.
Juliaca has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 142 to 98 per year over the period.
The hottest day of the period reached 24.5 °C (on 24 October 2021) and the coldest -19.4 °C (on 11 July 1953).
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
JuliacaPuno
- coords
- -15.50°, -70.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
15.3°C
Average daily low
1.5°C
Annual rainfall
1,094mm
Sunshine / day
11.0h
Mean relative humidity
59%
Average peak wind
12.0km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
120 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
174 d/yr
Annual snowfall
22.6 cm
Average feels-like high
13.9 °C
Average feels-like low
-1.5 °C
Average peak gust
28.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
24.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.71 · 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
24.5 °C
24 October 2021
Coldest day
-19.4 °C
11 July 1953
Wettest day
41 mm
27 January 1994
Windiest day
38.5 km/h
6 August 1981
Strongest gust
78.8 km/h
6 August 1981
Hottest feels-like
23.2 °C
6 October 2023
Coldest feels-like
-24.8 °C
11 July 1953
Snowiest day
15.4 cm
12 November 2021
Sunniest day
12.9 h
30 November 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 | 15.1 °C | +0.8 °C | 214 mm | +1 mm |
| Feb | 15.2 °C | +1.0 °C | 197 mm | +3 mm |
| Mar | 15.0 °C | +0.8 °C | 312 mm | +144 mm |
| Apr | 16.0 °C | +1.5 °C | 123 mm | +38 mm |
| May | 15.6 °C | +0.8 °C | 64 mm | +38 mm |
| Jun | 16.6 °C | +1.7 °C | 5 mm | -4 mm |
| Jul | 16.3 °C | +1.2 °C | 7 mm | -1 mm |
| Aug | 17.5 °C | +1.5 °C | 10 mm | -10 mm |
| Sep | 17.6 °C | +1.1 °C | 84 mm | +31 mm |
| Oct | 17.0 °C | +0.1 °C | 110 mm | +32 mm |
| Nov | 19.3 °C | +2.4 °C | 63 mm | -32 mm |
| Dec | 18.2 °C | +2.7 °C | 100 mm | -44 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 Juliaca?
Juliaca has a tundra climate (Köppen ET). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 1,094 mm of precipitation per year.
What is the hottest day ever recorded in Juliaca?
The hottest day measured in Juliaca between 1940 and 2025 was 24 October 2021, reaching 24.5 °C.
What is the coldest day in Juliaca?
The coldest day measured in Juliaca between 1940 and 2025 was 11 July 1953, at -19.4 °C.
Does it snow in Juliaca?
Yes. Juliaca gets on average 22.6 cm of snow per year and has around 120 frost days.
Has the climate of Juliaca warmed?
Yes: Juliaca warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Juliaca?
The wettest day measured in Juliaca between 1940 and 2025 was 27 January 1994, with 41 mm of rain in 24 hours.
What was the windiest day in Juliaca?
The windiest day measured in Juliaca between 1940 and 2025 was 6 August 1981, with winds reaching 38.5 km/h.
What is the warmest month in Juliaca?
The warmest month in Juliaca is November (9.8 °C on average); the coldest is June (5.9 °C).
How much does it rain in Juliaca?
Juliaca receives on average 1,094 mm of precipitation per year, spread over about 174 rainy days.
Is it sunny in Juliaca?
Juliaca 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 Juliaca?
The heaviest 24-hour snowfall measured in Juliaca between 1940 and 2025 was 12 November 2021, with 15.4 cm.
Are there tropical nights in Juliaca?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Juliaca.
What was the most extreme apparent temperature in Juliaca?
In Juliaca, between 1940 and 2025, the highest apparent temperature reached 23.2 °C on 6 October 2023, and the lowest was -24.8 °C on 11 July 1953.
Compare Juliaca with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Juliaca