Luxembourg Climate by Month
Luxembourg, Luxembourg
Warm summers and cool winters, with rain spread through the year.
Warm summers and cool winters, with rain spread through the year: that's Luxembourg's climate in short. Afternoon highs range from 40°F (5°C) in January to 76°F (25°C) in July, and January nights average 31°F (0°C). It gets 33 in (833 mm) of rain a year, spread across the months.
- Warmest month
- 76°F(25°C)
- Average high, July
- Coldest nights
- 31°F(0°C)
- Average low, January
- Rain per year
- 33 in(833 mm)
- No clear rainy season
- Humidity
- 75%
- Sunniest: June
Best and worst months in Luxembourg
Best for weatherJune to August are the best time for weather in Luxembourg: highs near 75°F (24°C) and about 2.6 in (66 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 42°F (5°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Luxembourg weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 40°F(5°C) | 31°F(0°C) | 3.0 in(76 mm) | 85% | 0.8 |
| FebFebruary | 43°F(6°C) | 31°F(0°C) | 2.5 in(64 mm) | 81% | 1.5 |
| MarMarch | 51°F(11°C) | 35°F(2°C) | 2.4 in(61 mm) | 74% | 2.8 |
| AprApril | 59°F(15°C) | 40°F(5°C) | 1.9 in(47 mm) | 66% | 4.3 |
| MayMay | 67°F(19°C) | 47°F(9°C) | 2.6 in(66 mm) | 69% | 5.2 |
| JunJuneBest | 73°F(23°C) | 53°F(11°C) | 2.5 in(64 mm) | 67% | 5.8 |
| JulJulyBest | 76°F(25°C) | 56°F(14°C) | 2.7 in(68 mm) | 68% | 5.6 |
| AugAugustBest | 76°F(24°C) | 56°F(13°C) | 2.6 in(65 mm) | 65% | 4.7 |
| SepSeptember | 68°F(20°C) | 50°F(10°C) | 2.5 in(63 mm) | 71% | 3.5 |
| OctOctober | 58°F(14°C) | 44°F(7°C) | 3.3 in(83 mm) | 79% | 1.9 |
| NovNovember | 47°F(9°C) | 37°F(3°C) | 3.0 in(76 mm) | 87% | 0.9 |
| DecDecember | 42°F(5°C) | 33°F(0°C) | 3.9 in(100 mm) | 93% | 0.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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