Climate averages 1991–2020
Kouvola weather
in June.
A mild, moderately wet month: the 3rd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Kouvola: daytime highs average 18.9°C and nights cool to about 11.0°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 70 mm of rain on roughly 12 days, which makes June a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 19 h 02 min on an average June day.
The nearest other city in this atlas is Lahti (58 km away). In June its highs average 18.6°C, about as warm as Kouvola, with 75 mm of rain.
Among the 13 cities listed in Finland, Kouvola ranks 2nd of 13 for the warmest June highs and 6th of 13 for the driest June (rainfall, lowest first). The mean June high of those 13 cities is 17.8°C; Kouvola is 1.1°C warmer than that mean.
From June to July, average highs rise by 2.6°C to 21.5°C, and monthly rainfall falls from 70 mm to 66 mm.
The annual picture
June 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
Kouvola climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -3.8°C-8.3°C | -8.3°C | 44 | 10.6 | 6.67 h |
| February | -3.9°C-8.8°C | -8.8°C | 40 | 9.0 | 9.09 h |
| March | 0.5°C-5.8°C | -5.8°C | 36 | 8.6 | 11.712 h |
| April | 7.3°C-0.9°C | -0.9°C | 35 | 8.9 | 14.615 h |
| May | 14.7°C5.8°C | 5.8°C | 46 | 9.8 | 17.317 h |
| June, selected | 18.9°C11.0°C | 11.0°C | 70 | 11.8 | 19.019 h |
| July | 21.5°C14.1°C | 14.1°C | 66 | 11.5 | 18.318 h |
| August | 19.8°C12.9°C | 12.9°C | 66 | 10.9 | 15.816 h |
| September | 14.2°C8.4°C | 8.4°C | 53 | 9.9 | 13.013 h |
| October | 7.0°C2.9°C | 2.9°C | 57 | 10.9 | 10.110 h |
| November | 1.7°C-1.5°C | -1.5°C | 53 | 11.3 | 7.47 h |
| December | -1.6°C-5.5°C | -5.5°C | 54 | 11.7 | 5.86 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
June in nearby cities
- Lahti in JuneFinland · 58 kmHigh 18.6°C · Low 10.8°C · 75 mm rain
- Lappeenranta in JuneFinland · 83 kmHigh 18.8°C · Low 11.0°C · 66 mm rain
- Vantaa in JuneFinland · 111 kmHigh 19.0°C · Low 10.9°C · 72 mm rain
- Vyborg in JuneRussia · 113 kmHigh 18.0°C · Low 10.9°C · 62 mm rain
- Helsinki in JuneFinland · 124 kmHigh 17.3°C · Low 10.8°C · 72 mm rain
- Espoo in JuneFinland · 134 kmHigh 17.1°C · Low 11.0°C · 66 mm rain
- Jyväskylä in JuneFinland · 161 kmHigh 18.0°C · Low 10.7°C · 74 mm rain
- Tampere in JuneFinland · 171 kmHigh 18.0°C · Low 10.7°C · 75 mm rain
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 Kouvola) is explained once on the Kouvola year overview and on the Sources, method and limits page.