Stjørdal climate — normals and trends
Stjørdal (Norway) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 4.0 °C and it receives 1,223 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 (13.8 °C on average) and the coldest is January (-5.3 °C). Rainfall peaks in September.
Stjørdal averages 155 frost days, 0 hot days (≥ 30 °C) and 193 rainy days per year.
Stjørdal has warmed by +3.7 °C between 1940 and 2025, or +0.43 °C per decade. This trend is statistically significant.
The number of frost days there went from about 187 to 123 per year over the period.
The hottest day of the period reached 32.1 °C (on 17 July 2025) and the coldest -32.6 °C (on 1 January 1979).
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
StjørdalTrøndelag
- coords
- 63.47°, 10.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.0°C
Average daily high
7.0°C
Average daily low
0.8°C
Annual rainfall
1,223mm
Sunshine / day
6.9h
Mean relative humidity
80%
Average peak wind
13.5km/h
Seasonal range
19.1°C
Frost days (< 0 °C)
155 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
193 d/yr
Annual snowfall
284.1 cm
Average feels-like high
4.0 °C
Average feels-like low
-2.5 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.7 °C
since 1940
+0.4 °C per decade · r² = 0.60 · 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
32.1 °C
17 July 2025
Coldest day
-32.6 °C
1 January 1979
Wettest day
58 mm
13 January 2022
Windiest day
48.9 km/h
1 January 1992
Strongest gust
148.7 km/h
1 January 1992
Hottest feels-like
33.1 °C
25 July 2019
Coldest feels-like
-37.3 °C
1 January 1979
Snowiest day
23.7 cm
4 February 1993
Sunniest day
19.2 h
25 June 2023
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 | 0.8 °C | +3.8 °C | 89 mm | -10 mm |
| Feb | 2.5 °C | +4.4 °C | 56 mm | -33 mm |
| Mar | 5.2 °C | +3.3 °C | 277 mm | +178 mm |
| Apr | 8.6 °C | +2.5 °C | 142 mm | +59 mm |
| May | 10.3 °C | -1.0 °C | 157 mm | +79 mm |
| Jun | 15.6 °C | +0.4 °C | 170 mm | +62 mm |
| Jul | 23.2 °C | +5.7 °C | 71 mm | -37 mm |
| Aug | 16.9 °C | +0.2 °C | 149 mm | +39 mm |
| Sep | 16.3 °C | +3.7 °C | 83 mm | -42 mm |
| Oct | 8.9 °C | +1.9 °C | 169 mm | +52 mm |
| Nov | 3.8 °C | +2.2 °C | 125 mm | +30 mm |
| Dec | 3.5 °C | +4.6 °C | 112 mm | +1 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 Stjørdal?
Stjørdal has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 4.0 °C and it receives 1,223 mm of precipitation per year.
What is the hottest day ever recorded in Stjørdal?
The hottest day measured in Stjørdal between 1940 and 2025 was 17 July 2025, reaching 32.1 °C.
What is the coldest day in Stjørdal?
The coldest day measured in Stjørdal between 1940 and 2025 was 1 January 1979, at -32.6 °C.
Does it snow in Stjørdal?
Yes. Stjørdal gets on average 284.1 cm of snow per year and has around 155 frost days.
Has the climate of Stjørdal warmed?
Yes: Stjørdal warmed by +3.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Stjørdal?
The wettest day measured in Stjørdal between 1940 and 2025 was 13 January 2022, with 58 mm of rain in 24 hours.
What was the windiest day in Stjørdal?
The windiest day measured in Stjørdal between 1940 and 2025 was 1 January 1992, with winds reaching 48.9 km/h.
What is the warmest month in Stjørdal?
The warmest month in Stjørdal is July (13.8 °C on average); the coldest is January (-5.3 °C).
How much does it rain in Stjørdal?
Stjørdal receives on average 1,223 mm of precipitation per year, spread over about 193 rainy days.
Is it sunny in Stjørdal?
Stjørdal gets on average 6.9 hours of sunshine per day, roughly 2,519 hours per year over 1940-2025.
What is the biggest single-day snowfall in Stjørdal?
The heaviest 24-hour snowfall measured in Stjørdal between 1940 and 2025 was 4 February 1993, with 23.7 cm.
Are there tropical nights in Stjørdal?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Stjørdal.
What was the most extreme apparent temperature in Stjørdal?
In Stjørdal, between 1940 and 2025, the highest apparent temperature reached 33.1 °C on 25 July 2019, and the lowest was -37.3 °C on 1 January 1979.
Compare Stjørdal with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Stjørdal