Vi climate — normals and trends
Vi (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.2 °C and it receives 637 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 (15.9 °C on average) and the coldest is January (-6.2 °C). Rainfall peaks in August.
Vi averages 160 frost days, 0 hot days (≥ 30 °C) and 119 rainy days per year.
Vi has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 169 to 151 per year over the period.
The hottest day of the period reached 31.3 °C (on 26 July 1994) and the coldest -30.7 °C (on 10 January 1987).
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
ViVästernorrland County
- coords
- 62.43°, 17.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.2°C
Average daily high
7.4°C
Average daily low
0.9°C
Annual rainfall
637mm
Sunshine / day
7.7h
Mean relative humidity
79%
Average peak wind
17.7km/h
Seasonal range
22.1°C
Frost days (< 0 °C)
160 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
155.4 cm
Average feels-like high
4.0 °C
Average feels-like low
-2.8 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.25 · 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
31.3 °C
26 July 1994
Coldest day
-30.7 °C
10 January 1987
Wettest day
57 mm
12 September 1988
Windiest day
52.7 km/h
1 March 1943
Strongest gust
106.9 km/h
13 December 2013
Hottest feels-like
31.6 °C
23 July 2014
Coldest feels-like
-37.1 °C
10 January 1987
Snowiest day
21.8 cm
8 April 1959
Sunniest day
18.8 h
21 June 2020
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 | -0.5 °C | +3.2 °C | 81 mm | +32 mm |
| Feb | 0.2 °C | +3.3 °C | 15 mm | -22 mm |
| Mar | 5.4 °C | +4.3 °C | 15 mm | -23 mm |
| Apr | 9.6 °C | +3.5 °C | 17 mm | -23 mm |
| May | 11.4 °C | -0.7 °C | 73 mm | +33 mm |
| Jun | 16.6 °C | -0.3 °C | 68 mm | +17 mm |
| Jul | 23.1 °C | +3.5 °C | 65 mm | -2 mm |
| Aug | 18.5 °C | +0.2 °C | 50 mm | -26 mm |
| Sep | 15.8 °C | +2.2 °C | 128 mm | +64 mm |
| Oct | 9.3 °C | +1.7 °C | 88 mm | +30 mm |
| Nov | 2.5 °C | +1.0 °C | 38 mm | -25 mm |
| Dec | 2.9 °C | +4.5 °C | 75 mm | +17 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 Vi?
Vi has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.2 °C and it receives 637 mm of precipitation per year.
What is the hottest day ever recorded in Vi?
The hottest day measured in Vi between 1940 and 2025 was 26 July 1994, reaching 31.3 °C.
What is the coldest day in Vi?
The coldest day measured in Vi between 1940 and 2025 was 10 January 1987, at -30.7 °C.
Does it snow in Vi?
Yes. Vi gets on average 155.4 cm of snow per year and has around 160 frost days.
Has the climate of Vi warmed?
Yes: Vi warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vi?
The wettest day measured in Vi between 1940 and 2025 was 12 September 1988, with 57 mm of rain in 24 hours.
What was the windiest day in Vi?
The windiest day measured in Vi between 1940 and 2025 was 1 March 1943, with winds reaching 52.7 km/h.
What is the warmest month in Vi?
The warmest month in Vi is July (15.9 °C on average); the coldest is January (-6.2 °C).
How much does it rain in Vi?
Vi receives on average 637 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Vi?
Vi gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Vi?
The heaviest 24-hour snowfall measured in Vi between 1940 and 2025 was 8 April 1959, with 21.8 cm.
Are there tropical nights in Vi?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Vi.
What was the most extreme apparent temperature in Vi?
In Vi, between 1940 and 2025, the highest apparent temperature reached 31.6 °C on 23 July 2014, and the lowest was -37.1 °C on 10 January 1987.
Compare Vi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vi