Climate averages 1991–2020
Groningen weather
in July.
A mild, moderately wet month: one of 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 Groningen: daytime highs average 20.9°C and nights cool to about 14.0°C. By daytime temperature it is one of the warmest months of the year.
Expect about 87 mm of rain on roughly 14 days, which makes July a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 16 h 26 min on an average July day.
The nearest other city in this atlas is Leeuwarden (50 km away). In July its highs average 20.2°C, 0.7°C cooler than Groningen, with 78 mm of rain.
Among the 44 cities listed in the Netherlands, Groningen ranks 34th of 44 for the warmest July highs and 43rd of 44 for the driest July (rainfall, lowest first). The mean July high of those 44 cities is 21.6°C; Groningen is 0.7°C cooler than that mean.
From July to August, average highs stay level at 20.9°C, and monthly rainfall falls from 87 mm to 83 mm.
The annual picture
July in context
Monthly rainfall
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
Groningen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.9°C0.8°C | 0.8°C | 63 | 12.6 | 8.18 h |
| February | 5.7°C0.7°C | 0.7°C | 49 | 10.5 | 9.810 h |
| March | 8.7°C2.3°C | 2.3°C | 49 | 10.9 | 11.812 h |
| April | 12.7°C5.0°C | 5.0°C | 48 | 10.7 | 13.914 h |
| May | 16.2°C8.7°C | 8.7°C | 60 | 11.8 | 15.816 h |
| June | 18.8°C11.6°C | 11.6°C | 74 | 12.2 | 16.917 h |
| July, selected | 20.9°C14.0°C | 14.0°C | 87 | 14.3 | 16.416 h |
| August | 20.9°C14.1°C | 14.1°C | 83 | 14.0 | 14.815 h |
| September | 17.8°C11.7°C | 11.7°C | 68 | 12.1 | 12.713 h |
| October | 13.4°C8.1°C | 8.1°C | 63 | 12.5 | 10.611 h |
| November | 8.7°C4.5°C | 4.5°C | 57 | 12.2 | 8.79 h |
| December | 5.6°C1.7°C | 1.7°C | 63 | 12.4 | 7.68 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
- Leeuwarden in JulyThe Netherlands · 50 kmHigh 20.2°C · Low 14.6°C · 78 mm rain
- Zwolle in JulyThe Netherlands · 85 kmHigh 21.8°C · Low 14.0°C · 85 mm rain
- Almelo in JulyThe Netherlands · 96 kmHigh 22.4°C · Low 13.9°C · 80 mm rain
- Hengelo in JulyThe Netherlands · 107 kmHigh 22.5°C · Low 14.1°C · 80 mm rain
- Lelystad in JulyThe Netherlands · 108 kmHigh 21.3°C · Low 14.7°C · 89 mm rain
- Wilhelmshaven in JulyGermany · 108 kmHigh 21.4°C · Low 14.2°C · 87 mm rain
- Oldenburg in JulyGermany · 110 kmHigh 22.1°C · Low 14.2°C · 92 mm rain
- Deventer in JulyThe Netherlands · 111 kmHigh 22.2°C · Low 14.1°C · 81 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 Groningen) is explained once on the Groningen year overview and on the Sources, method and limits page.