Climate normals · 1970–2000
Heerlen Climate
Heerlen is a city in Netherlands (05) with a population of about 93,084. Its average annual temperature is 9.8°C (50°F), with roughly 803 mm of rain per year.
9.8°C
Avg Temp
803
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Heerlen Climate
Heerlen has an average annual temperature of 9.8°C (50°F) and receives about 803 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.8°C
Avg Temp
803
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 3° / 37° | 64 mm |
| February | 3° / 37° | 57 mm |
| March | 6° / 43° | 66 mm |
| April | 9° / 47° | 53 mm |
| May | 13° / 55° | 68 mm |
| June | 16° / 60° | 81 mm |
| July | 18° / 64° | 76 mm |
| August | 18° / 64° | 64 mm |
| September | 14° / 58° | 67 mm |
| October | 10° / 51° | 64 mm |
| November | 6° / 43° | 69 mm |
| December | 4° / 39° | 74 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Heerlen
The most comfortable months to visit Heerlen are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 22°C high). The coldest is January (near 0°C low). June is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Heerlen are typically August, July and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Heerlen, Netherlands has an average annual temperature of 9.8°C and about 803 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Heerlen average about 22°C (72°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.