Prienai climate — normals and trends
Prienai (Lithuania) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.0 °C and it receives 690 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 (18.0 °C on average) and the coldest is January (-4.3 °C). Rainfall peaks in July.
Prienai averages 116 frost days, 2 hot days (≥ 30 °C) and 140 rainy days per year.
Prienai has warmed by +2.7 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 138 to 94 per year over the period.
The hottest day of the period reached 34.2 °C (on 31 July 1994) and the coldest -36.1 °C (on 1 February 1956).
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
PrienaiKaunas
- coords
- 54.64°, 23.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.0°C
Average daily high
10.4°C
Average daily low
3.5°C
Annual rainfall
690mm
Sunshine / day
7.0h
Mean relative humidity
79%
Average peak wind
17.7km/h
Seasonal range
22.3°C
Frost days (< 0 °C)
116 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
83.3 cm
Average feels-like high
7.5 °C
Average feels-like low
0.2 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
9.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.44 · 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
34.2 °C
31 July 1994
Coldest day
-36.1 °C
1 February 1956
Wettest day
73 mm
9 August 2005
Windiest day
52.3 km/h
18 January 1955
Strongest gust
100.4 km/h
22 January 1956
Hottest feels-like
36.5 °C
16 July 2021
Coldest feels-like
-41.1 °C
1 February 1956
Snowiest day
15.6 cm
10 March 1958
Sunniest day
17.0 h
24 June 2022
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 | 3.5 °C | +5.7 °C | 44 mm | -0 mm |
| Feb | 0.3 °C | +1.4 °C | 25 mm | -13 mm |
| Mar | 9.8 °C | +6.1 °C | 44 mm | +3 mm |
| Apr | 15.1 °C | +4.1 °C | 19 mm | -30 mm |
| May | 14.8 °C | -2.3 °C | 61 mm | -1 mm |
| Jun | 20.3 °C | -0.2 °C | 94 mm | +19 mm |
| Jul | 23.5 °C | +1.3 °C | 156 mm | +69 mm |
| Aug | 21.5 °C | -0.1 °C | 44 mm | -35 mm |
| Sep | 19.7 °C | +2.9 °C | 65 mm | +8 mm |
| Oct | 10.8 °C | +0.4 °C | 101 mm | +47 mm |
| Nov | 4.6 °C | +0.5 °C | 59 mm | +8 mm |
| Dec | 3.5 °C | +3.3 °C | 30 mm | -20 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 Prienai?
Prienai has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.0 °C and it receives 690 mm of precipitation per year.
What is the hottest day ever recorded in Prienai?
The hottest day measured in Prienai between 1940 and 2025 was 31 July 1994, reaching 34.2 °C.
What is the coldest day in Prienai?
The coldest day measured in Prienai between 1940 and 2025 was 1 February 1956, at -36.1 °C.
Does it snow in Prienai?
Yes. Prienai gets on average 83.3 cm of snow per year and has around 116 frost days.
Has the climate of Prienai warmed?
Yes: Prienai warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Prienai?
The wettest day measured in Prienai between 1940 and 2025 was 9 August 2005, with 73 mm of rain in 24 hours.
What was the windiest day in Prienai?
The windiest day measured in Prienai between 1940 and 2025 was 18 January 1955, with winds reaching 52.3 km/h.
What is the warmest month in Prienai?
The warmest month in Prienai is July (18.0 °C on average); the coldest is January (-4.3 °C).
How much does it rain in Prienai?
Prienai receives on average 690 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Prienai?
Prienai gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.
What is the biggest single-day snowfall in Prienai?
The heaviest 24-hour snowfall measured in Prienai between 1940 and 2025 was 10 March 1958, with 15.6 cm.
Are there tropical nights in Prienai?
Yes: Prienai has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Prienai?
In Prienai, between 1940 and 2025, the highest apparent temperature reached 36.5 °C on 16 July 2021, and the lowest was -41.1 °C on 1 February 1956.
Compare Prienai with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Prienai