Groningen weather by month & the best time to visit
Netherlands · regional city · oceanic / maritime climate

The best time to visit Groningen is June — its sunniest month (Sunshine Score 76/100), with July and August close behind. Groningen averages about 1,559 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 64 mm of rain in June.
When is the best time to visit Groningen?
For sunshine, the best time to visit Groningen is June, then July and August. The dullest month is January (0/100, 77 mm of rain). The full month-by-month picture is in the table below.
How sunny is Groningen?
Groningen isn't a sunny place by world standards: about 1,559 hours of sunshine a year. 76 Sunshine Score points separate June (76) from January (0), so the month you pick matters. It ranks #5 of 5 destinations in Netherlands for annual sunshine, below the national median of 1,629 hours. The year's 791 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 4° / 39°F | 0° / 32°F | 77 mm | 0 |
| February | 0 | 5° / 41°F | 0° / 32°F | 61 mm | 1 |
| March | 6 | 9° / 48°F | 1° / 34°F | 54 mm | 2 |
| April | 40 | 14° / 57°F | 4° / 39°F | 39 mm | 3 |
| May | 58 | 17° / 63°F | 8° / 46°F | 58 mm | 4 |
| June | 76 | 20° / 68°F | 12° / 54°F | 64 mm | 5 |
| July | 73 | 22° / 72°F | 14° / 57°F | 79 mm | 5 |
| August | 72 | 22° / 72°F | 14° / 57°F | 82 mm | 4 |
| September | 70 | 19° / 66°F | 11° / 52°F | 63 mm | 3 |
| October | 38 | 14° / 57°F | 7° / 45°F | 67 mm | 1 |
| November | 6 | 9° / 48°F | 4° / 39°F | 70 mm | 0 |
| December | 0 | 5° / 41°F | 1° / 34°F | 77 mm | 0 |
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Groningen: questions and answers
What kind of destination is Groningen?
Groningen is a regional city in Netherlands with a oceanic / maritime climate.
How many hours of sunshine does Groningen get a year?
Groningen gets about 1,559 hours of sunshine a year, at its best around June.
When is the best time to visit Groningen?
The sunniest time to visit Groningen is June, when the Sunshine Score peaks at 76/100 (with July and August close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Groningen?
January is the least sunny month in Groningen, scoring 0/100 with about 77 mm of rain.
How strong is the sun in Groningen?
The typical midday UV index in Groningen peaks around 5 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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