Tvedestrand climate — normals and trends
Tvedestrand (Norway) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 1,002 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 (17.0 °C on average) and the coldest is February (-0.4 °C). Rainfall peaks in November.
Tvedestrand averages 78 frost days, 0 hot days (≥ 30 °C) and 137 rainy days per year.
Tvedestrand has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 55 per year over the period.
The hottest day of the period reached 29.2 °C (on 11 August 1975) and the coldest -18.8 °C (on 26 January 1942).
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
TvedestrandAgder
- coords
- 58.62°, 8.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
10.3°C
Average daily low
5.3°C
Annual rainfall
1,002mm
Sunshine / day
8.1h
Mean relative humidity
77%
Average peak wind
22.4km/h
Seasonal range
17.4°C
Frost days (< 0 °C)
78 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
134.8 cm
Average feels-like high
7.0 °C
Average feels-like low
1.5 °C
Average peak gust
39.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.39 · 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
29.2 °C
11 August 1975
Coldest day
-18.8 °C
26 January 1942
Wettest day
63 mm
13 October 1976
Windiest day
57.6 km/h
4 October 2025
Strongest gust
116.3 km/h
15 September 1994
Hottest feels-like
30.3 °C
11 August 1975
Coldest feels-like
-27.6 °C
26 January 1942
Snowiest day
33.1 cm
1 January 2024
Sunniest day
17.1 h
20 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 | 2.8 °C | +1.3 °C | 138 mm | +45 mm |
| Feb | 3.0 °C | +1.3 °C | 60 mm | -10 mm |
| Mar | 8.0 °C | +3.6 °C | 33 mm | -33 mm |
| Apr | 12.5 °C | +3.8 °C | 42 mm | -13 mm |
| May | 15.6 °C | +1.8 °C | 30 mm | -33 mm |
| Jun | 18.9 °C | +0.9 °C | 44 mm | -19 mm |
| Jul | 23.3 °C | +3.2 °C | 68 mm | -6 mm |
| Aug | 19.9 °C | +0.7 °C | 92 mm | -6 mm |
| Sep | 16.6 °C | +1.0 °C | 155 mm | +58 mm |
| Oct | 12.7 °C | +1.8 °C | 146 mm | +35 mm |
| Nov | 7.7 °C | +1.6 °C | 112 mm | -4 mm |
| Dec | 6.4 °C | +3.2 °C | 130 mm | +33 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 Tvedestrand?
Tvedestrand has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 1,002 mm of precipitation per year.
What is the hottest day ever recorded in Tvedestrand?
The hottest day measured in Tvedestrand between 1940 and 2025 was 11 August 1975, reaching 29.2 °C.
What is the coldest day in Tvedestrand?
The coldest day measured in Tvedestrand between 1940 and 2025 was 26 January 1942, at -18.8 °C.
Does it snow in Tvedestrand?
Yes. Tvedestrand gets on average 134.8 cm of snow per year and has around 78 frost days.
Has the climate of Tvedestrand warmed?
Yes: Tvedestrand warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tvedestrand?
The wettest day measured in Tvedestrand between 1940 and 2025 was 13 October 1976, with 63 mm of rain in 24 hours.
What was the windiest day in Tvedestrand?
The windiest day measured in Tvedestrand between 1940 and 2025 was 4 October 2025, with winds reaching 57.6 km/h.
What is the warmest month in Tvedestrand?
The warmest month in Tvedestrand is July (17.0 °C on average); the coldest is February (-0.4 °C).
How much does it rain in Tvedestrand?
Tvedestrand receives on average 1,002 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Tvedestrand?
Tvedestrand gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tvedestrand?
The heaviest 24-hour snowfall measured in Tvedestrand between 1940 and 2025 was 1 January 2024, with 33.1 cm.
Are there tropical nights in Tvedestrand?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tvedestrand.
What was the most extreme apparent temperature in Tvedestrand?
In Tvedestrand, between 1940 and 2025, the highest apparent temperature reached 30.3 °C on 11 August 1975, and the lowest was -27.6 °C on 26 January 1942.
Compare Tvedestrand with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tvedestrand