Orneta climate — normals and trends
Orneta (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.4 °C and it receives 668 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 (17.6 °C on average) and the coldest is January (-3.1 °C). Rainfall peaks in July.
Orneta averages 107 frost days, 2 hot days (≥ 30 °C) and 137 rainy days per year.
Orneta 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 127 to 87 per year over the period.
The hottest day of the period reached 34.8 °C (on 10 August 1992) and the coldest -32.1 °C (on 31 January 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
OrnetaWarmia-Masuria
- coords
- 54.11°, 20.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.4°C
Average daily high
10.7°C
Average daily low
4.0°C
Annual rainfall
668mm
Sunshine / day
7.2h
Mean relative humidity
81%
Average peak wind
18.8km/h
Seasonal range
20.7°C
Frost days (< 0 °C)
107 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
71.4 cm
Average feels-like high
7.9 °C
Average feels-like low
0.7 °C
Average peak gust
37.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.40 · 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
34.8 °C
10 August 1992
Coldest day
-32.1 °C
31 January 1956
Wettest day
56 mm
7 September 1992
Windiest day
57.8 km/h
17 January 1955
Strongest gust
112.7 km/h
18 November 2004
Hottest feels-like
35.7 °C
30 July 1994
Coldest feels-like
-37.9 °C
31 January 1956
Snowiest day
15.5 cm
25 April 1955
Sunniest day
16.3 h
20 June 2025
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 | 3.8 °C | +4.9 °C | 66 mm | +20 mm |
| Feb | 1.4 °C | +1.3 °C | 19 mm | -21 mm |
| Mar | 10.1 °C | +5.6 °C | 22 mm | -20 mm |
| Apr | 14.5 °C | +3.5 °C | 23 mm | -23 mm |
| May | 14.4 °C | -2.2 °C | 68 mm | +7 mm |
| Jun | 20.3 °C | +0.4 °C | 75 mm | +4 mm |
| Jul | 22.3 °C | +0.6 °C | 116 mm | +29 mm |
| Aug | 21.4 °C | -0.1 °C | 72 mm | +1 mm |
| Sep | 19.2 °C | +2.1 °C | 100 mm | +44 mm |
| Oct | 11.2 °C | -0.1 °C | 74 mm | +24 mm |
| Nov | 5.2 °C | +0.3 °C | 50 mm | 0 mm |
| Dec | 4.1 °C | +3.0 °C | 31 mm | -19 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 Orneta?
Orneta has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.4 °C and it receives 668 mm of precipitation per year.
What is the hottest day ever recorded in Orneta?
The hottest day measured in Orneta between 1940 and 2025 was 10 August 1992, reaching 34.8 °C.
What is the coldest day in Orneta?
The coldest day measured in Orneta between 1940 and 2025 was 31 January 1956, at -32.1 °C.
Does it snow in Orneta?
Yes. Orneta gets on average 71.4 cm of snow per year and has around 107 frost days.
Has the climate of Orneta warmed?
Yes: Orneta warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Orneta?
The wettest day measured in Orneta between 1940 and 2025 was 7 September 1992, with 56 mm of rain in 24 hours.
What was the windiest day in Orneta?
The windiest day measured in Orneta between 1940 and 2025 was 17 January 1955, with winds reaching 57.8 km/h.
What is the warmest month in Orneta?
The warmest month in Orneta is July (17.6 °C on average); the coldest is January (-3.1 °C).
How much does it rain in Orneta?
Orneta receives on average 668 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Orneta?
Orneta gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Orneta?
The heaviest 24-hour snowfall measured in Orneta between 1940 and 2025 was 25 April 1955, with 15.5 cm.
Are there tropical nights in Orneta?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Orneta.
What was the most extreme apparent temperature in Orneta?
In Orneta, between 1940 and 2025, the highest apparent temperature reached 35.7 °C on 30 July 1994, and the lowest was -37.9 °C on 31 January 1956.
Compare Orneta with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Orneta