Climate averages 1991–2020
Heerlen weather
in June.
A mild, moderately wet month: the 3rd warmest and the joint 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Heerlen: daytime highs average 20.5°C and nights cool to about 12.1°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 63 mm of rain on roughly 12 days, which makes June a moderately wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 26 min on an average June day.
The nearest other city in this atlas is Aachen (14 km away). In June its highs average 20.1°C, about as warm as Heerlen, with 76 mm of rain.
Among the 44 cities listed in the Netherlands, Heerlen ranks joint 5th of 44 for the warmest June highs and joint 9th of 44 for the driest June (rainfall, lowest first). The mean June high of those 44 cities is 19.5°C; Heerlen is 1.0°C warmer than that mean.
From June to July, average highs rise by 2.0°C to 22.5°C, and monthly rainfall rises from 63 mm to 70 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Heerlen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.3°C0.6°C | 0.6°C | 63 | 12.5 | 8.58 h |
| February | 6.4°C0.7°C | 0.7°C | 57 | 11.4 | 10.010 h |
| March | 9.9°C2.5°C | 2.5°C | 56 | 12.4 | 11.812 h |
| April | 13.9°C5.1°C | 5.1°C | 44 | 10.2 | 13.814 h |
| May | 17.6°C9.0°C | 9.0°C | 52 | 11.4 | 15.515 h |
| June, selected | 20.5°C12.1°C | 12.1°C | 63 | 11.6 | 16.416 h |
| July | 22.5°C14.3°C | 14.3°C | 70 | 12.5 | 16.016 h |
| August | 22.4°C14.2°C | 14.2°C | 67 | 11.2 | 14.615 h |
| September | 18.8°C11.4°C | 11.4°C | 57 | 10.1 | 12.713 h |
| October | 14.3°C8.3°C | 8.3°C | 59 | 11.0 | 10.811 h |
| November | 9.2°C4.5°C | 4.5°C | 61 | 12.4 | 9.09 h |
| December | 5.9°C1.7°C | 1.7°C | 72 | 13.7 | 8.08 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Aachen in JuneGermany · 14 kmHigh 20.1°C · Low 11.8°C · 76 mm rain
- Maastricht in JuneThe Netherlands · 21 kmHigh 20.7°C · Low 12.2°C · 74 mm rain
- Düren in JuneGermany · 37 kmHigh 20.4°C · Low 11.9°C · 73 mm rain
- Liège in JuneBelgium · 40 kmHigh 20.7°C · Low 12.3°C · 74 mm rain
- Hasselt in JuneBelgium · 45 kmHigh 20.8°C · Low 12.3°C · 69 mm rain
- Mönchengladbach in JuneGermany · 46 kmHigh 20.9°C · Low 12.5°C · 73 mm rain
- Viersen in JuneGermany · 50 kmHigh 20.9°C · Low 12.5°C · 73 mm rain
- Venlo in JuneThe Netherlands · 56 kmHigh 21.0°C · Low 12.5°C · 70 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Heerlen) is explained once on the Heerlen year overview and on the Sources, method and limits page.