Lomma climate — normals and trends
Lomma (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.9 °C and it receives 653 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 (17.0 °C on average) and the coldest is January (-0.5 °C). Rainfall peaks in July.
Lomma averages 91 frost days, 0 hot days (≥ 30 °C) and 132 rainy days per year.
Lomma has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 112 to 70 per year over the period.
The hottest day of the period reached 33.2 °C (on 9 August 1975) and the coldest -30.5 °C (on 26 January 1942).
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
LommaSkåne County
- coords
- 55.67°, 13.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.9°C
Average daily high
11.2°C
Average daily low
4.5°C
Annual rainfall
653mm
Sunshine / day
7.5h
Mean relative humidity
82%
Average peak wind
21.3km/h
Seasonal range
17.5°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
51.2 cm
Average feels-like high
8.1 °C
Average feels-like low
1.2 °C
Average peak gust
38.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.37 · 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
33.2 °C
9 August 1975
Coldest day
-30.5 °C
26 January 1942
Wettest day
66 mm
24 July 1986
Windiest day
67.2 km/h
8 January 2005
Strongest gust
114.5 km/h
14 January 1993
Hottest feels-like
35.0 °C
9 August 1975
Coldest feels-like
-35.9 °C
26 January 1942
Snowiest day
14.6 cm
3 January 1976
Sunniest day
16.5 h
1 July 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 | 4.3 °C | +2.8 °C | 60 mm | +10 mm |
| Feb | 3.5 °C | +1.5 °C | 15 mm | -25 mm |
| Mar | 9.6 °C | +4.2 °C | 21 mm | -21 mm |
| Apr | 14.1 °C | +3.6 °C | 14 mm | -28 mm |
| May | 15.7 °C | +0.1 °C | 52 mm | +1 mm |
| Jun | 19.8 °C | +0.7 °C | 79 mm | +16 mm |
| Jul | 22.6 °C | +1.6 °C | 106 mm | +32 mm |
| Aug | 21.5 °C | +0.9 °C | 47 mm | -27 mm |
| Sep | 19.1 °C | +2.3 °C | 85 mm | +29 mm |
| Oct | 12.6 °C | +0.8 °C | 81 mm | +27 mm |
| Nov | 7.1 °C | +0.6 °C | 42 mm | -11 mm |
| Dec | 6.0 °C | +2.7 °C | 20 mm | -35 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 Lomma?
Lomma has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.9 °C and it receives 653 mm of precipitation per year.
What is the hottest day ever recorded in Lomma?
The hottest day measured in Lomma between 1940 and 2025 was 9 August 1975, reaching 33.2 °C.
What is the coldest day in Lomma?
The coldest day measured in Lomma between 1940 and 2025 was 26 January 1942, at -30.5 °C.
Does it snow in Lomma?
Yes. Lomma gets on average 51.2 cm of snow per year and has around 91 frost days.
Has the climate of Lomma warmed?
Yes: Lomma warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lomma?
The wettest day measured in Lomma between 1940 and 2025 was 24 July 1986, with 66 mm of rain in 24 hours.
What was the windiest day in Lomma?
The windiest day measured in Lomma between 1940 and 2025 was 8 January 2005, with winds reaching 67.2 km/h.
What is the warmest month in Lomma?
The warmest month in Lomma is July (17.0 °C on average); the coldest is January (-0.5 °C).
How much does it rain in Lomma?
Lomma receives on average 653 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Lomma?
Lomma 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 Lomma?
The heaviest 24-hour snowfall measured in Lomma between 1940 and 2025 was 3 January 1976, with 14.6 cm.
Are there tropical nights in Lomma?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Lomma.
What was the most extreme apparent temperature in Lomma?
In Lomma, between 1940 and 2025, the highest apparent temperature reached 35.0 °C on 9 August 1975, and the lowest was -35.9 °C on 26 January 1942.
Compare Lomma with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lomma