Laihia climate — normals and trends
Laihia (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 4.1 °C and it receives 599 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 (16.6 °C on average) and the coldest is January (-7.1 °C). Rainfall peaks in August.
Laihia averages 167 frost days, 1 hot days (≥ 30 °C) and 122 rainy days per year.
Laihia has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 179 to 155 per year over the period.
The hottest day of the period reached 32.2 °C (on 17 July 2018) and the coldest -38.1 °C (on 3 February 1966).
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
LaihiaOstrobothnia
- coords
- 62.98°, 22.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.1°C
Average daily high
7.6°C
Average daily low
0.3°C
Annual rainfall
599mm
Sunshine / day
7.5h
Mean relative humidity
80%
Average peak wind
15.6km/h
Seasonal range
23.7°C
Frost days (< 0 °C)
167 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
107.0 cm
Average feels-like high
4.4 °C
Average feels-like low
-3.2 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.25 · 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
32.2 °C
17 July 2018
Coldest day
-38.1 °C
3 February 1966
Wettest day
104 mm
6 August 1967
Windiest day
42.8 km/h
15 December 1975
Strongest gust
100.1 km/h
2 November 2020
Hottest feels-like
34.2 °C
16 July 2003
Coldest feels-like
-43.3 °C
15 February 1978
Snowiest day
18.1 cm
13 November 1947
Sunniest day
19.0 h
2 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -1.7 °C | +2.8 °C | 47 mm | +13 mm |
| Feb | -0.4 °C | +3.7 °C | 12 mm | -15 mm |
| Mar | 5.3 °C | +4.6 °C | 22 mm | -7 mm |
| Apr | 9.3 °C | +2.2 °C | 27 mm | -9 mm |
| May | 12.4 °C | -1.4 °C | 45 mm | +0 mm |
| Jun | 17.3 °C | -1.3 °C | 82 mm | +20 mm |
| Jul | 24.9 °C | +3.9 °C | 79 mm | -3 mm |
| Aug | 18.8 °C | -0.3 °C | 96 mm | +12 mm |
| Sep | 17.0 °C | +3.3 °C | 70 mm | +9 mm |
| Oct | 9.2 °C | +2.1 °C | 54 mm | +3 mm |
| Nov | 3.4 °C | +2.2 °C | 56 mm | +9 mm |
| Dec | 2.6 °C | +4.8 °C | 72 mm | +30 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 Laihia?
Laihia has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 4.1 °C and it receives 599 mm of precipitation per year.
What is the hottest day ever recorded in Laihia?
The hottest day measured in Laihia between 1940 and 2025 was 17 July 2018, reaching 32.2 °C.
What is the coldest day in Laihia?
The coldest day measured in Laihia between 1940 and 2025 was 3 February 1966, at -38.1 °C.
Does it snow in Laihia?
Yes. Laihia gets on average 107.0 cm of snow per year and has around 167 frost days.
Has the climate of Laihia warmed?
Yes: Laihia warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Laihia?
The wettest day measured in Laihia between 1940 and 2025 was 6 August 1967, with 104 mm of rain in 24 hours.
What was the windiest day in Laihia?
The windiest day measured in Laihia between 1940 and 2025 was 15 December 1975, with winds reaching 42.8 km/h.
What is the warmest month in Laihia?
The warmest month in Laihia is July (16.6 °C on average); the coldest is January (-7.1 °C).
How much does it rain in Laihia?
Laihia receives on average 599 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Laihia?
Laihia 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 Laihia?
The heaviest 24-hour snowfall measured in Laihia between 1940 and 2025 was 13 November 1947, with 18.1 cm.
Are there tropical nights in Laihia?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Laihia.
What was the most extreme apparent temperature in Laihia?
In Laihia, between 1940 and 2025, the highest apparent temperature reached 34.2 °C on 16 July 2003, and the lowest was -43.3 °C on 15 February 1978.
Compare Laihia with another city
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Nearby cities
The climate around Laihia