Omegna climate — normals and trends
Omegna (Italy) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.9 °C and it receives 2,113 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 (18.8 °C on average) and the coldest is January (-0.6 °C). Rainfall peaks in August.
Omegna averages 94 frost days, 1 hot days (≥ 30 °C) and 166 rainy days per year.
Omegna has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 125 to 63 per year over the period.
The hottest day of the period reached 33.6 °C (on 27 June 2019) and the coldest -19.6 °C (on 21 January 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
OmegnaPiedmont
- coords
- 45.88°, 8.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.9°C
Average daily high
12.7°C
Average daily low
5.3°C
Annual rainfall
2,113mm
Sunshine / day
8.8h
Mean relative humidity
75%
Average peak wind
6.7km/h
Seasonal range
19.4°C
Frost days (< 0 °C)
94 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
166 d/yr
Annual snowfall
193.2 cm
Average feels-like high
11.6 °C
Average feels-like low
3.3 °C
Average peak gust
27.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.72 · 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
33.6 °C
27 June 2019
Coldest day
-19.6 °C
21 January 1940
Wettest day
183 mm
28 August 2025
Windiest day
22.7 km/h
3 April 1973
Strongest gust
113.0 km/h
3 October 2020
Hottest feels-like
37.2 °C
27 June 2019
Coldest feels-like
-24.9 °C
21 January 1940
Snowiest day
51.4 cm
14 March 1980
Sunniest day
15.0 h
2 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 | 5.0 °C | +2.4 °C | 140 mm | +62 mm |
| Feb | 6.3 °C | +1.7 °C | 64 mm | -24 mm |
| Mar | 10.4 °C | +2.0 °C | 162 mm | +35 mm |
| Apr | 14.7 °C | +2.7 °C | 314 mm | +128 mm |
| May | 18.1 °C | +1.7 °C | 248 mm | +15 mm |
| Jun | 24.7 °C | +4.0 °C | 305 mm | +79 mm |
| Jul | 23.8 °C | +0.7 °C | 318 mm | +116 mm |
| Aug | 24.2 °C | +1.9 °C | 390 mm | +153 mm |
| Sep | 19.0 °C | +0.4 °C | 322 mm | +97 mm |
| Oct | 14.3 °C | +0.9 °C | 88 mm | -148 mm |
| Nov | 9.3 °C | +1.9 °C | 92 mm | -92 mm |
| Dec | 7.1 °C | +3.7 °C | 68 mm | -21 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 Omegna?
Omegna has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.9 °C and it receives 2,113 mm of precipitation per year.
What is the hottest day ever recorded in Omegna?
The hottest day measured in Omegna between 1940 and 2025 was 27 June 2019, reaching 33.6 °C.
What is the coldest day in Omegna?
The coldest day measured in Omegna between 1940 and 2025 was 21 January 1940, at -19.6 °C.
Does it snow in Omegna?
Yes. Omegna gets on average 193.2 cm of snow per year and has around 94 frost days.
Has the climate of Omegna warmed?
Yes: Omegna warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Omegna?
The wettest day measured in Omegna between 1940 and 2025 was 28 August 2025, with 183 mm of rain in 24 hours.
What was the windiest day in Omegna?
The windiest day measured in Omegna between 1940 and 2025 was 3 April 1973, with winds reaching 22.7 km/h.
What is the warmest month in Omegna?
The warmest month in Omegna is July (18.8 °C on average); the coldest is January (-0.6 °C).
How much does it rain in Omegna?
Omegna receives on average 2,113 mm of precipitation per year, spread over about 166 rainy days.
Is it sunny in Omegna?
Omegna gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Omegna?
The heaviest 24-hour snowfall measured in Omegna between 1940 and 2025 was 14 March 1980, with 51.4 cm.
Are there tropical nights in Omegna?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Omegna.
What was the most extreme apparent temperature in Omegna?
In Omegna, between 1940 and 2025, the highest apparent temperature reached 37.2 °C on 27 June 2019, and the lowest was -24.9 °C on 21 January 1940.
Compare Omegna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Omegna