Climate averages 1991–2020
Oulu weather
in July.
A mild, moderately wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Oulu: daytime highs average 19.5°C and nights cool to about 13.4°C. By daytime temperature it is the warmest month of the year.
Expect about 78 mm of rain on roughly 12 days, which makes July a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 20 h 13 min on an average July day.
The nearest other city in this atlas is Luleå (167 km away). In July its highs average 18.1°C, 1.4°C cooler than Oulu, with 60 mm of rain.
Among the 13 cities listed in Finland, Oulu ranks 13th of 13 for the warmest July highs and 8th of 13 for the driest July (rainfall, lowest first). The mean July high of those 13 cities is 20.8°C; Oulu is 1.3°C cooler than that mean.
From July to August, average highs fall by 1.9°C to 17.6°C, and monthly rainfall falls from 78 mm to 71 mm.
The annual picture
July 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
Oulu climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -5.5°C-10.2°C | -10.2°C | 35 | 8.8 | 5.15 h |
| February | -6.0°C-10.6°C | -10.6°C | 29 | 8.0 | 8.38 h |
| March | -1.9°C-7.1°C | -7.1°C | 30 | 7.7 | 11.712 h |
| April | 4.0°C-2.6°C | -2.6°C | 30 | 7.4 | 15.215 h |
| May | 10.9°C3.8°C | 3.8°C | 48 | 10.0 | 18.719 h |
| June | 16.0°C9.6°C | 9.6°C | 56 | 10.0 | 21.622 h |
| July, selected | 19.5°C13.4°C | 13.4°C | 78 | 12.1 | 20.220 h |
| August | 17.6°C12.0°C | 12.0°C | 71 | 12.0 | 16.617 h |
| September | 12.2°C7.5°C | 7.5°C | 56 | 10.4 | 13.213 h |
| October | 5.0°C1.5°C | 1.5°C | 50 | 10.3 | 9.810 h |
| November | 0.3°C-3.1°C | -3.1°C | 48 | 10.6 | 6.36 h |
| December | -2.9°C-7.2°C | -7.2°C | 44 | 10.8 | 3.94 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
July in nearby cities
- Luleå in JulySweden · 167 kmHigh 18.1°C · Low 13.5°C · 60 mm rain
- Kuopio in JulyFinland · 259 kmHigh 20.4°C · Low 14.2°C · 89 mm rain
- Umeå in JulySweden · 282 kmHigh 18.8°C · Low 13.1°C · 74 mm rain
- Jyväskylä in JulyFinland · 308 kmHigh 20.6°C · Low 13.8°C · 87 mm rain
- Joensuu in JulyFinland · 341 kmHigh 20.2°C · Low 14.9°C · 85 mm rain
- Tampere in JulyFinland · 400 kmHigh 20.7°C · Low 14.0°C · 83 mm rain
- Pori in JulyFinland · 434 kmHigh 20.0°C · Low 14.0°C · 74 mm rain
- Lahti in JulyFinland · 448 kmHigh 21.2°C · Low 13.9°C · 76 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 Oulu) is explained once on the Oulu year overview and on the Sources, method and limits page.