Climate averages 1991–2020
Lahti weather
in March.
A cold month with light precipitation: the 9th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cold month in Lahti: daytime highs average 0.7°C and nights cool to about -5.7°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 33 mm of precipitation on roughly 8 days, which makes March a month with light precipitation (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 44 min on an average March day.
The nearest other city in this atlas is Kouvola (58 km away). In March its highs average 0.5°C, about as warm as Lahti, with 36 mm of precipitation.
Among the 13 cities listed in Finland, Lahti ranks joint 4th of 13 for the warmest March highs and joint 4th of 13 for the driest March (precipitation, lowest first). The mean March high of those 13 cities is 0.0°C; Lahti is 0.7°C warmer than that mean.
From March to April, average highs rise by 6.7°C to 7.4°C, and monthly precipitation rises from 33 mm to 35 mm.
The annual picture
March in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Lahti climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -3.6°C-8.0°C | -8.0°C | 41 | 10.3 | 6.57 h |
| February | -3.7°C-8.7°C | -8.7°C | 34 | 8.2 | 9.09 h |
| March, selected | 0.7°C-5.7°C | -5.7°C | 33 | 8.4 | 11.712 h |
| April | 7.4°C-0.6°C | -0.6°C | 35 | 8.8 | 14.615 h |
| May | 14.5°C5.6°C | 5.6°C | 48 | 10.0 | 17.417 h |
| June | 18.6°C10.8°C | 10.8°C | 75 | 12.3 | 19.119 h |
| July | 21.2°C13.9°C | 13.9°C | 76 | 12.3 | 18.318 h |
| August | 19.6°C12.9°C | 12.9°C | 68 | 11.6 | 15.816 h |
| September | 14.1°C8.5°C | 8.5°C | 51 | 9.8 | 13.013 h |
| October | 7.0°C3.0°C | 3.0°C | 56 | 11.1 | 10.110 h |
| November | 1.8°C-1.3°C | -1.3°C | 50 | 10.8 | 7.47 h |
| December | -1.5°C-5.2°C | -5.2°C | 48 | 11.6 | 5.76 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Kouvola in MarchFinland · 58 kmHigh 0.5°C · Low -5.8°C · 36 mm precipitation
- Vantaa in MarchFinland · 84 kmHigh 1.2°C · Low -5.1°C · 37 mm precipitation
- Helsinki in MarchFinland · 99 kmHigh 0.7°C · Low -4.6°C · 37 mm precipitation
- Espoo in MarchFinland · 103 kmHigh 0.7°C · Low -4.4°C · 37 mm precipitation
- Tampere in MarchFinland · 116 kmHigh -0.1°C · Low -5.4°C · 31 mm precipitation
- Lappeenranta in MarchFinland · 136 kmHigh -0.8°C · Low -5.5°C · 36 mm precipitation
- Jyväskylä in MarchFinland · 140 kmHigh -0.3°C · Low -6.0°C · 32 mm precipitation
- Vyborg in MarchRussia · 170 kmHigh -0.2°C · Low -5.4°C · 38 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Lahti) is explained once on the Lahti year overview and on the Sources, method and limits page.