Llaillay climate — normals and trends
Llaillay (Chile) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 401 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 (20.7 °C on average) and the coldest is July (9.3 °C). Rainfall peaks in June.
Llaillay averages 11 frost days, 12 hot days (≥ 30 °C) and 36 rainy days per year.
The mean temperature of Llaillay has changed by -0.7 °C between 1940 and 2025, or -0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.9 °C (on 12 January 1941) and the coldest -8.8 °C (on 18 June 1945).
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
LlaillayValparaiso
- coords
- -32.84°, -70.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
21.7°C
Average daily low
9.4°C
Annual rainfall
401mm
Sunshine / day
10.9h
Mean relative humidity
65%
Average peak wind
8.1km/h
Seasonal range
11.4°C
Frost days (< 0 °C)
11 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
36 d/yr
Annual snowfall
1.6 cm
Average feels-like high
21.8 °C
Average feels-like low
8.0 °C
Average peak gust
29.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
-0.7 °C
since 1940
-0.1 °C per decade · r² = 0.14 · 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
37.9 °C
12 January 1941
Coldest day
-8.8 °C
18 June 1945
Wettest day
152 mm
4 July 1984
Windiest day
16.8 km/h
17 December 1947
Strongest gust
92.5 km/h
24 July 1987
Hottest feels-like
37.8 °C
12 January 1941
Coldest feels-like
-13.2 °C
18 June 1945
Snowiest day
11.4 cm
14 June 1940
Sunniest day
14.0 h
16 December 1942
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 | 28.8 °C | +1.2 °C | 1 mm | -2 mm |
| Feb | 28.9 °C | +1.7 °C | 0 mm | -3 mm |
| Mar | 26.5 °C | +0.7 °C | 9 mm | +4 mm |
| Apr | 23.5 °C | +0.9 °C | 1 mm | -14 mm |
| May | 20.7 °C | +1.9 °C | 29 mm | -27 mm |
| Jun | 16.1 °C | +0.4 °C | 88 mm | -12 mm |
| Jul | 18.0 °C | +2.7 °C | 23 mm | -70 mm |
| Aug | 17.1 °C | +0.5 °C | 138 mm | +73 mm |
| Sep | 20.3 °C | +1.9 °C | 28 mm | -8 mm |
| Oct | 23.9 °C | +2.8 °C | 5 mm | -13 mm |
| Nov | 24.9 °C | +0.5 °C | 3 mm | -3 mm |
| Dec | 27.4 °C | +0.8 °C | 9 mm | +6 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 Llaillay?
Llaillay has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 401 mm of precipitation per year.
What is the hottest day ever recorded in Llaillay?
The hottest day measured in Llaillay between 1940 and 2025 was 12 January 1941, reaching 37.9 °C.
What is the coldest day in Llaillay?
The coldest day measured in Llaillay between 1940 and 2025 was 18 June 1945, at -8.8 °C.
Does it snow in Llaillay?
Yes. Llaillay gets on average 1.6 cm of snow per year and has around 11 frost days.
Has the climate of Llaillay warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Llaillay.
What is the wettest day in Llaillay?
The wettest day measured in Llaillay between 1940 and 2025 was 4 July 1984, with 152 mm of rain in 24 hours.
What was the windiest day in Llaillay?
The windiest day measured in Llaillay between 1940 and 2025 was 17 December 1947, with winds reaching 16.8 km/h.
What is the warmest month in Llaillay?
The warmest month in Llaillay is January (20.7 °C on average); the coldest is July (9.3 °C).
How much does it rain in Llaillay?
Llaillay receives on average 401 mm of precipitation per year, spread over about 36 rainy days.
Is it sunny in Llaillay?
Llaillay gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Llaillay?
The heaviest 24-hour snowfall measured in Llaillay between 1940 and 2025 was 14 June 1940, with 11.4 cm.
Are there tropical nights in Llaillay?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Llaillay.
What was the most extreme apparent temperature in Llaillay?
In Llaillay, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 12 January 1941, and the lowest was -13.2 °C on 18 June 1945.
Compare Llaillay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Llaillay