Heerlen Climate by Month
Heerlen, Limburg, The Netherlands
Mild summers and cool winters, with rain spread through the year.
The climate in Heerlen is one of mild summers and cool winters, with rain spread through the year. July is the warmest month, with highs around 75°F (24°C); January is the coolest at 43°F (6°C), and nights dip to 34°F (1°C). It gets 31 in (796 mm) of rain a year, spread across the months.
- Warmest month
- 75°F(24°C)
- Average high, July
- Coldest nights
- 34°F(1°C)
- Average low, January
- Rain per year
- 31 in(796 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: June
Best and worst months in Heerlen
Best for weatherJuly and August are the best time for weather in Heerlen: highs near 75°F (24°C) and about 3.1 in (79 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 43°F (6°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)
Heerlen weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 43°F(6°C) | 34°F(1°C) | 2.6 in(65 mm) | 89% | 0.7 |
| FebFebruary | 45°F(7°C) | 34°F(1°C) | 2.5 in(63 mm) | 86% | 1.3 |
| MarMarch | 52°F(11°C) | 38°F(3°C) | 2.3 in(59 mm) | 70% | 2.5 |
| AprApril | 60°F(15°C) | 42°F(6°C) | 1.7 in(43 mm) | 63% | 4.1 |
| MayMay | 66°F(19°C) | 48°F(9°C) | 2.3 in(58 mm) | 69% | 4.9 |
| JunJune | 72°F(22°C) | 53°F(12°C) | 2.9 in(73 mm) | 68% | 5.3 |
| JulJulyBest | 75°F(24°C) | 57°F(14°C) | 3.3 in(83 mm) | 69% | 5.0 |
| AugAugustBest | 75°F(24°C) | 56°F(14°C) | 2.9 in(74 mm) | 70% | 4.3 |
| SepSeptember | 67°F(20°C) | 51°F(11°C) | 2.7 in(68 mm) | 75% | 3.2 |
| OctOctober | 59°F(15°C) | 46°F(8°C) | 2.6 in(66 mm) | 82% | 1.8 |
| NovNovember | 50°F(10°C) | 40°F(4°C) | 2.6 in(66 mm) | 89% | 0.9 |
| DecDecember | 44°F(7°C) | 35°F(2°C) | 3.1 in(78 mm) | 84% | 0.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
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