Haarlem Climate by Month
Haarlem, North Holland, The Netherlands
Mild summers and cool winters, with rain spread through the year.
Haarlem has mild summers and cool winters, with rain spread through the year. Expect highs of 72°F (22°C) in August and 44°F (7°C) in January, with the coldest nights (February) near 34°F (1°C). About 35 in (883 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 83% relative humidity.
- Warmest month
- 72°F(22°C)
- Average high, August
- Coldest nights
- 34°F(1°C)
- Average low, February
- Rain per year
- 35 in(883 mm)
- No clear rainy season
- Humidity
- 83%
- Sunniest: June
Best and worst months in Haarlem
Best for weatherJuly and August are the best time for weather in Haarlem: highs near 72°F (22°C) and about 3.2 in (83 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 45°F (7°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)
Haarlem weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 44°F(7°C) | 35°F(2°C) | 2.8 in(70 mm) | 85% | 0.7 |
| FebFebruary | 44°F(7°C) | 34°F(1°C) | 2.3 in(59 mm) | 86% | 1.3 |
| MarMarch | 49°F(10°C) | 38°F(3°C) | 2.2 in(55 mm) | 83% | 2.4 |
| AprApril | 56°F(14°C) | 42°F(5°C) | 1.6 in(40 mm) | 76% | 4.0 |
| MayMay | 63°F(17°C) | 48°F(9°C) | 2.0 in(51 mm) | 80% | 4.9 |
| JunJune | 68°F(20°C) | 53°F(11°C) | 2.6 in(67 mm) | 79% | 5.2 |
| JulJulyBest | 71°F(22°C) | 56°F(14°C) | 3.1 in(79 mm) | 79% | 5.1 |
| AugAugustBest | 72°F(22°C) | 56°F(13°C) | 3.4 in(86 mm) | 79% | 4.3 |
| SepSeptember | 66°F(19°C) | 52°F(11°C) | 3.5 in(89 mm) | 82% | 3.0 |
| OctOctober | 59°F(15°C) | 46°F(8°C) | 4.3 in(109 mm) | 89% | 1.7 |
| NovNovember | 51°F(10°C) | 41°F(5°C) | 3.5 in(90 mm) | 86% | 0.8 |
| DecDecember | 45°F(7°C) | 37°F(3°C) | 3.5 in(88 mm) | 93% | 0.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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