Imperia climate — normals and trends
Imperia (Italy) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 1,003 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 July (20.6 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in November.
Imperia averages 12 frost days, 0 hot days (≥ 30 °C) and 122 rainy days per year.
Imperia has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 21 to 3 per year over the period.
The hottest day of the period reached 31.2 °C (on 11 August 2025) and the coldest -14.5 °C (on 15 February 1940).
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
ImperiaLiguria
- coords
- 43.89°, 8.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
15.2°C
Average daily low
10.0°C
Annual rainfall
1,003mm
Sunshine / day
10.1h
Mean relative humidity
75%
Average peak wind
13.8km/h
Seasonal range
15.8°C
Frost days (< 0 °C)
12 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
56.8 cm
Average feels-like high
14.3 °C
Average feels-like low
8.1 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.61 · 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
31.2 °C
11 August 2025
Coldest day
-14.5 °C
15 February 1940
Wettest day
159 mm
24 November 2016
Windiest day
41.4 km/h
4 December 1952
Strongest gust
106.9 km/h
20 October 2023
Hottest feels-like
37.8 °C
29 July 2024
Coldest feels-like
-19.1 °C
15 February 1940
Snowiest day
33.9 cm
10 February 1978
Sunniest day
15.0 h
1 June 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 | 9.9 °C | +2.3 °C | 103 mm | +28 mm |
| Feb | 10.3 °C | +1.8 °C | 45 mm | -30 mm |
| Mar | 12.2 °C | +1.3 °C | 152 mm | +60 mm |
| Apr | 14.9 °C | +1.4 °C | 142 mm | +43 mm |
| May | 17.7 °C | +0.7 °C | 109 mm | +21 mm |
| Jun | 24.7 °C | +4.1 °C | 28 mm | -44 mm |
| Jul | 24.4 °C | +1.1 °C | 54 mm | +3 mm |
| Aug | 25.4 °C | +2.0 °C | 71 mm | +12 mm |
| Sep | 21.2 °C | +0.6 °C | 59 mm | -14 mm |
| Oct | 17.5 °C | +0.9 °C | 75 mm | -32 mm |
| Nov | 12.8 °C | +1.0 °C | 103 mm | -20 mm |
| Dec | 10.6 °C | +1.9 °C | 154 mm | +63 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 Imperia?
Imperia has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,003 mm of precipitation per year.
What is the hottest day ever recorded in Imperia?
The hottest day measured in Imperia between 1940 and 2025 was 11 August 2025, reaching 31.2 °C.
What is the coldest day in Imperia?
The coldest day measured in Imperia between 1940 and 2025 was 15 February 1940, at -14.5 °C.
Does it snow in Imperia?
Yes. Imperia gets on average 56.8 cm of snow per year and has around 12 frost days.
Has the climate of Imperia warmed?
Yes: Imperia warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Imperia?
The wettest day measured in Imperia between 1940 and 2025 was 24 November 2016, with 159 mm of rain in 24 hours.
What was the windiest day in Imperia?
The windiest day measured in Imperia between 1940 and 2025 was 4 December 1952, with winds reaching 41.4 km/h.
What is the warmest month in Imperia?
The warmest month in Imperia is July (20.6 °C on average); the coldest is January (4.8 °C).
How much does it rain in Imperia?
Imperia receives on average 1,003 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Imperia?
Imperia 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 Imperia?
The heaviest 24-hour snowfall measured in Imperia between 1940 and 2025 was 10 February 1978, with 33.9 cm.
Are there tropical nights in Imperia?
Yes: Imperia has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Imperia?
In Imperia, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 29 July 2024, and the lowest was -19.1 °C on 15 February 1940.
Compare Imperia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Imperia