Maardu climate — normals and trends
Maardu (Estonia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.6 °C and it receives 643 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 (17.3 °C on average) and the coldest is February (-5.1 °C). Rainfall peaks in August.
Maardu averages 127 frost days, 0 hot days (≥ 30 °C) and 135 rainy days per year.
Maardu has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 152 to 102 per year over the period.
The hottest day of the period reached 30.3 °C (on 11 August 1992) and the coldest -29.8 °C (on 5 February 2012).
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
MaarduHarju
- coords
- 59.47°, 24.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.6°C
Average daily high
8.1°C
Average daily low
3.0°C
Annual rainfall
643mm
Sunshine / day
7.4h
Mean relative humidity
81%
Average peak wind
21.4km/h
Seasonal range
22.4°C
Frost days (< 0 °C)
127 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
100.5 cm
Average feels-like high
4.7 °C
Average feels-like low
-0.9 °C
Average peak gust
37.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
30.3 °C
11 August 1992
Coldest day
-29.8 °C
5 February 2012
Wettest day
61 mm
7 August 1987
Windiest day
53.7 km/h
26 December 2011
Strongest gust
104.0 km/h
26 December 2011
Hottest feels-like
33.3 °C
8 August 2010
Coldest feels-like
-36.7 °C
24 January 1942
Snowiest day
14.4 cm
26 March 1947
Sunniest day
17.4 h
17 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 | 2.2 °C | +5.0 °C | 86 mm | +44 mm |
| Feb | -0.5 °C | +2.5 °C | 21 mm | -12 mm |
| Mar | 5.5 °C | +4.8 °C | 23 mm | -9 mm |
| Apr | 8.9 °C | +2.2 °C | 50 mm | +12 mm |
| May | 12.1 °C | -0.6 °C | 34 mm | -10 mm |
| Jun | 16.6 °C | -0.7 °C | 144 mm | +84 mm |
| Jul | 22.2 °C | +2.0 °C | 108 mm | +32 mm |
| Aug | 18.8 °C | -0.5 °C | 94 mm | +8 mm |
| Sep | 17.5 °C | +2.9 °C | 64 mm | -6 mm |
| Oct | 9.9 °C | +1.2 °C | 64 mm | +2 mm |
| Nov | 5.9 °C | +2.6 °C | 46 mm | -8 mm |
| Dec | 4.1 °C | +4.2 °C | 47 mm | -1 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 Maardu?
Maardu has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.6 °C and it receives 643 mm of precipitation per year.
What is the hottest day ever recorded in Maardu?
The hottest day measured in Maardu between 1940 and 2025 was 11 August 1992, reaching 30.3 °C.
What is the coldest day in Maardu?
The coldest day measured in Maardu between 1940 and 2025 was 5 February 2012, at -29.8 °C.
Does it snow in Maardu?
Yes. Maardu gets on average 100.5 cm of snow per year and has around 127 frost days.
Has the climate of Maardu warmed?
Yes: Maardu warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Maardu?
The wettest day measured in Maardu between 1940 and 2025 was 7 August 1987, with 61 mm of rain in 24 hours.
What was the windiest day in Maardu?
The windiest day measured in Maardu between 1940 and 2025 was 26 December 2011, with winds reaching 53.7 km/h.
What is the warmest month in Maardu?
The warmest month in Maardu is July (17.3 °C on average); the coldest is February (-5.1 °C).
How much does it rain in Maardu?
Maardu receives on average 643 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Maardu?
Maardu gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Maardu?
The heaviest 24-hour snowfall measured in Maardu between 1940 and 2025 was 26 March 1947, with 14.4 cm.
Are there tropical nights in Maardu?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Maardu.
What was the most extreme apparent temperature in Maardu?
In Maardu, between 1940 and 2025, the highest apparent temperature reached 33.3 °C on 8 August 2010, and the lowest was -36.7 °C on 24 January 1942.
Compare Maardu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Maardu