Luxembourg weather by month & the best time to visit
Luxembourg · small town · oceanic / maritime climate
The best time to visit Luxembourg is September — its sunniest month (Sunshine Score 78/100), with June and July close behind. Luxembourg averages about 1,666 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 56 mm of rain in September.
When is the best time to visit Luxembourg?
For sunshine, the best time to visit Luxembourg is September, then June and July. The dullest month is January (0/100, 67 mm of rain). The full month-by-month picture is in the table below.
How sunny is Luxembourg?
Luxembourg isn't a sunny place by world standards: about 1,666 hours of sunshine a year. 78 Sunshine Score points separate September (78) from January (0), so the month you pick matters. It is the only destination Sunshine Atlas tracks in Luxembourg. The year's 770 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 | 2° / 36°F | -3° / 27°F | 67 mm | 0 |
| February | 0 | 4° / 39°F | -3° / 27°F | 57 mm | 1 |
| March | 0 | 8° / 46°F | 0° / 32°F | 57 mm | 2 |
| April | 40 | 14° / 57°F | 3° / 37°F | 46 mm | 4 |
| May | 63 | 18° / 64°F | 7° / 45°F | 70 mm | 5 |
| June | 76 | 22° / 72°F | 11° / 52°F | 68 mm | 5 |
| July | 76 | 24° / 75°F | 13° / 55°F | 65 mm | 6 |
| August | 75 | 24° / 75°F | 12° / 54°F | 72 mm | 5 |
| September | 78 | 20° / 68°F | 8° / 46°F | 56 mm | 3 |
| October | 38 | 14° / 57°F | 5° / 41°F | 65 mm | 2 |
| November | 0 | 7° / 45°F | 1° / 34°F | 68 mm | 1 |
| December | 0 | 3° / 37°F | -2° / 28°F | 79 mm | 0 |
Nearest destinations
Head-to-head
How Luxembourg compares month by month: Luxembourg vs Köln (Cologne) · Luxembourg vs Saarbrücken · Luxembourg vs Strasbourg · all comparisons
Luxembourg: questions and answers
What kind of destination is Luxembourg?
Luxembourg is a small town in Luxembourg at 372 m elevation with a oceanic / maritime climate.
How many hours of sunshine does Luxembourg get a year?
Luxembourg gets about 1,666 hours of sunshine a year, at its best around September.
When is the best time to visit Luxembourg?
The sunniest time to visit Luxembourg is September, when the Sunshine Score peaks at 78/100 (with June and July close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Luxembourg?
January is the least sunny month in Luxembourg, scoring 0/100 with about 67 mm of rain.
How strong is the sun in Luxembourg?
The typical midday UV index in Luxembourg peaks around 6 (high) in July, 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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