Juva climate — normals and trends
Juva (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 3.6 °C and it receives 652 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 January (-8.9 °C). Rainfall peaks in July.
Juva averages 169 frost days, 0 hot days (≥ 30 °C) and 135 rainy days per year.
Juva has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 183 to 155 per year over the period.
The hottest day of the period reached 33.2 °C (on 29 July 2010) and the coldest -37.6 °C (on 8 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
JuvaSouth Savo
- coords
- 61.90°, 27.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.6°C
Average daily high
6.6°C
Average daily low
0.4°C
Annual rainfall
652mm
Sunshine / day
6.8h
Mean relative humidity
81%
Average peak wind
15.7km/h
Seasonal range
25.9°C
Frost days (< 0 °C)
169 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
143.6 cm
Average feels-like high
3.4 °C
Average feels-like low
-3.2 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.31 · 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
33.2 °C
29 July 2010
Coldest day
-37.6 °C
8 January 1987
Wettest day
58 mm
30 June 2020
Windiest day
43.2 km/h
1 October 1994
Strongest gust
97.6 km/h
26 October 1985
Hottest feels-like
33.6 °C
7 August 2010
Coldest feels-like
-43.2 °C
8 January 1987
Snowiest day
14.4 cm
19 December 2001
Sunniest day
18.5 h
22 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 | -1.7 °C | +4.8 °C | 53 mm | +14 mm |
| Feb | -2.7 °C | +3.3 °C | 14 mm | -17 mm |
| Mar | 3.8 °C | +4.6 °C | 38 mm | +5 mm |
| Apr | 8.6 °C | +2.8 °C | 49 mm | +11 mm |
| May | 12.7 °C | -0.9 °C | 59 mm | +8 mm |
| Jun | 17.9 °C | -0.7 °C | 103 mm | +31 mm |
| Jul | 24.7 °C | +4.0 °C | 81 mm | -5 mm |
| Aug | 19.2 °C | +0.5 °C | 71 mm | -14 mm |
| Sep | 16.9 °C | +4.0 °C | 70 mm | +7 mm |
| Oct | 7.8 °C | +1.7 °C | 62 mm | +5 mm |
| Nov | 3.5 °C | +3.3 °C | 45 mm | -7 mm |
| Dec | 1.0 °C | +4.7 °C | 65 mm | +18 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 Juva?
Juva has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 3.6 °C and it receives 652 mm of precipitation per year.
What is the hottest day ever recorded in Juva?
The hottest day measured in Juva between 1940 and 2025 was 29 July 2010, reaching 33.2 °C.
What is the coldest day in Juva?
The coldest day measured in Juva between 1940 and 2025 was 8 January 1987, at -37.6 °C.
Does it snow in Juva?
Yes. Juva gets on average 143.6 cm of snow per year and has around 169 frost days.
Has the climate of Juva warmed?
Yes: Juva warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Juva?
The wettest day measured in Juva between 1940 and 2025 was 30 June 2020, with 58 mm of rain in 24 hours.
What was the windiest day in Juva?
The windiest day measured in Juva between 1940 and 2025 was 1 October 1994, with winds reaching 43.2 km/h.
What is the warmest month in Juva?
The warmest month in Juva is July (17.0 °C on average); the coldest is January (-8.9 °C).
How much does it rain in Juva?
Juva receives on average 652 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Juva?
Juva gets on average 6.8 hours of sunshine per day, roughly 2,482 hours per year over 1940-2025.
What is the biggest single-day snowfall in Juva?
The heaviest 24-hour snowfall measured in Juva between 1940 and 2025 was 19 December 2001, with 14.4 cm.
Are there tropical nights in Juva?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Juva.
What was the most extreme apparent temperature in Juva?
In Juva, between 1940 and 2025, the highest apparent temperature reached 33.6 °C on 7 August 2010, and the lowest was -43.2 °C on 8 January 1987.
Compare Juva with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Juva