Olaine climate — normals and trends
Olaine (Latvia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.7 °C and it receives 660 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 (17.9 °C on average) and the coldest is January (-4.2 °C). Rainfall peaks in July.
Olaine averages 118 frost days, 1 hot days (≥ 30 °C) and 137 rainy days per year.
Olaine has warmed by +2.6 °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 142 to 94 per year over the period.
The hottest day of the period reached 33.4 °C (on 4 August 2014) and the coldest -35.4 °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
OlaineOlaine
- coords
- 56.80°, 23.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.7°C
Average daily high
10.0°C
Average daily low
3.4°C
Annual rainfall
660mm
Sunshine / day
7.5h
Mean relative humidity
79%
Average peak wind
18.2km/h
Seasonal range
22.1°C
Frost days (< 0 °C)
118 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
81.5 cm
Average feels-like high
7.1 °C
Average feels-like low
0.1 °C
Average peak gust
36.4 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
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.42 · 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
33.4 °C
4 August 2014
Coldest day
-35.4 °C
1 February 1956
Wettest day
105 mm
29 July 2024
Windiest day
50.0 km/h
18 October 1967
Strongest gust
108.0 km/h
18 October 1967
Hottest feels-like
35.6 °C
31 July 2002
Coldest feels-like
-40.6 °C
31 January 1956
Snowiest day
13.2 cm
15 April 2001
Sunniest day
17.0 h
8 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 | 3.7 °C | +5.8 °C | 81 mm | +41 mm |
| Feb | -0.1 °C | +1.3 °C | 20 mm | -14 mm |
| Mar | 8.5 °C | +5.4 °C | 21 mm | -16 mm |
| Apr | 12.6 °C | +2.6 °C | 43 mm | -3 mm |
| May | 14.2 °C | -2.0 °C | 92 mm | +35 mm |
| Jun | 19.0 °C | -0.9 °C | 123 mm | +50 mm |
| Jul | 23.3 °C | +1.4 °C | 132 mm | +50 mm |
| Aug | 20.5 °C | -0.7 °C | 85 mm | +7 mm |
| Sep | 19.7 °C | +3.3 °C | 56 mm | -4 mm |
| Oct | 10.9 °C | +0.7 °C | 78 mm | +22 mm |
| Nov | 5.0 °C | +1.0 °C | 32 mm | -19 mm |
| Dec | 4.2 °C | +3.9 °C | 38 mm | -7 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 Olaine?
Olaine has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.7 °C and it receives 660 mm of precipitation per year.
What is the hottest day ever recorded in Olaine?
The hottest day measured in Olaine between 1940 and 2025 was 4 August 2014, reaching 33.4 °C.
What is the coldest day in Olaine?
The coldest day measured in Olaine between 1940 and 2025 was 1 February 1956, at -35.4 °C.
Does it snow in Olaine?
Yes. Olaine gets on average 81.5 cm of snow per year and has around 118 frost days.
Has the climate of Olaine warmed?
Yes: Olaine warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Olaine?
The wettest day measured in Olaine between 1940 and 2025 was 29 July 2024, with 105 mm of rain in 24 hours.
What was the windiest day in Olaine?
The windiest day measured in Olaine between 1940 and 2025 was 18 October 1967, with winds reaching 50.0 km/h.
What is the warmest month in Olaine?
The warmest month in Olaine is July (17.9 °C on average); the coldest is January (-4.2 °C).
How much does it rain in Olaine?
Olaine receives on average 660 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Olaine?
Olaine gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Olaine?
The heaviest 24-hour snowfall measured in Olaine between 1940 and 2025 was 15 April 2001, with 13.2 cm.
Are there tropical nights in Olaine?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Olaine.
What was the most extreme apparent temperature in Olaine?
In Olaine, between 1940 and 2025, the highest apparent temperature reached 35.6 °C on 31 July 2002, and the lowest was -40.6 °C on 31 January 1956.
Compare Olaine with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Olaine