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Best Time to Visit Luxembourg
Climate based on Luxembourg City • 2015–2024
The best overall weather in Luxembourg is in August, with average highs around 24°C. The single best 14-day window: Jul 17 - Jul 30. The hottest month is August (24°C highs) and the coolest is January (4°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
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5
10
15
20
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30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Jul 17 - Jul 30
14-day window • Avg 19°C • Comfortable
Alternative 1
Aug 1 - Aug 14
14-day window • Avg 19°C • Comfortable
Alternative 2
Aug 16 - Aug 29
14-day window • Avg 19°C • Comfortable
Month-by-month breakdown
January
Very Cold2°Cavg
- 4°C / -0°C
- 92mm total
- 3.1h sun/day
February
Cold4°Cavg
- 7°C / 1°C
- 73mm total
- 5.2h sun/day
March
Cold6°Cavg
- 10°C / 2°C
- 74mm total
- 7.2h sun/day
April
Fresh9°Cavg
- 13°C / 4°C
- 55mm total
- 9.8h sun/day
May
Fresh13°Cavg
- 17°C / 8°C
- 78mm total
- 10.9h sun/day
June
Comfortable17°Cavg
- 22°C / 13°C
- 66mm total
- 11.6h sun/day
July
Comfortable19°Cavg
- 23°C / 14°C
- 62mm total
- 11.8h sun/day
August
Comfortable19°Cavg
- 24°C / 14°C
- 59mm total
- 10.8h sun/day
September
Comfortable15°Cavg
- 20°C / 11°C
- 70mm total
- 9.4h sun/day
October
Fresh11°Cavg
- 15°C / 8°C
- 83mm total
- 5.9h sun/day
November
Cold6°Cavg
- 9°C / 4°C
- 82mm total
- 3.8h sun/day
December
Cold4°Cavg
- 6°C / 2°C
- 83mm total
- 2.7h sun/day
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