Photo: Braun & Hogenberg · Public domain · Wikimedia Commons
GroningenReport this photo · linked, not stored
GroningenReport this photo · linked, not stored
Climate guideThirty-year normals for Groningen
Groningen climate by month
Oceanic · CfbBest May–Jul
Annual mean10°day and night
Seasonal swing15°warmest vs coolest
Precipitation872 mm169 wet days a year
53.22° N, 6.57° EElevation 16 mUTC+2 · Central European Summer Time
When to goGroningen · weather score
Best timeMay–Jul
October: high / low14° / 7°
iSummary
What the weather is like
Groningen has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 23° and nights 13°. January is the coolest month, with highs of 5° and lows of 0°. The difference between the warmest and the coolest month is about 15°.
About 872 mm of precipitation falls in an average year. January is the wettest month (77 mm, 17 wet days) and April the driest (43 mm, 10 wet days). Cloud cover ranges from 37% in July to 54% in December.
Compared with Amsterdam, the capital, Groningen is 0.1° warmer on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 23° · July
- Coldest nights
- 0° · January
- Wettest month
- January
- Driest month
- April
- Clearest skies
- July · 37% cloud
- Longest day
- 16 h 56 min
- Shortest day
- 7 h 34 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 5° | 6° | 10° | 14° | 18° | 20° | 23° | 23° | 19° | 14° | 9° | 6° |
| Average low | 0° | 0° | 2° | 4° | 8° | 10° | 13° | 12° | 10° | 7° | 3° | 1° |
| Precipitation | 77 mm | 57 mm | 65 mm | 43 mm | 61 mm | 76 mm | 88 mm | 82 mm | 82 mm | 81 mm | 82 mm | 78 mm |
| Wet days (≥1 mm) | 16.8 | 12.7 | 11.6 | 9.8 | 11.4 | 12.7 | 15.8 | 16.8 | 13.6 | 15 | 16.4 | 16.8 |
| Cloud cover | 53% | 50% | 48% | 41% | 39% | 41% | 37% | 37% | 42% | 46% | 52% | 54% |
| Daylight | 8h 04 | 9h 51 | 11h 48 | 13h 57 | 15h 50 | 16h 56 | 16h 29 | 14h 49 | 12h 44 | 10h 40 | 8h 41 | 7h 34 |
| Month score | 15 | 20 | 23 | 52 | 67 | 65 | 64 | 64 | 63 | 40 | 16 | 15 |
ivMonth by month
Groningen in every month
January15
5° / 0°
77 mm · 16.8 wet days
February20
6° / 0°
57 mm · 12.7 wet days
March23
10° / 2°
65 mm · 11.6 wet days
April52
14° / 4°
43 mm · 9.8 wet days
May67
18° / 8°
61 mm · 11.4 wet days
June65
20° / 10°
76 mm · 12.7 wet days
July64
23° / 13°
88 mm · 15.8 wet days
August64
23° / 12°
82 mm · 16.8 wet days
September63
19° / 10°
82 mm · 13.6 wet days
October40
14° / 7°
81 mm · 15 wet days
November16
9° / 3°
82 mm · 16.4 wet days
December15
6° / 1°
78 mm · 16.8 wet days