Heerlen in Spring
In spring (March, April and May), Heerlen sees average daytime highs around 14°C and overnight lows near 6°C, with 153 mm of precipitation over about 34 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 8°C in early March to 20°C by late May. The sky is clear or mostly clear about 18% of the time across spring, and the air most often feels dry.
Spring is Heerlen's 2nd-best season to visit on our travel score. For the whole year in context, see Heerlen's year-round climate.
- Avg daytime high
- 14°C
- 3rd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 153 mm
- 34 wet days
- Avg wind
- 13 km/h
- Travel score
- 4.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Heerlen in Spring
Over the season highs climb from about 8°C in early March to 20°C by late May.
A typical spring day in Heerlen reaches about 14°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Heerlen
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 16 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Heerlen weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / 1° | 63 | 12.5 | 1.6 | 8.2 | 0.2 |
| Feb | 7° / 1° | 57 | 11.3 | 2.8 | 9.7 | 0.6 |
| Mar | 10° / 3° | 57 | 12.5 | 1 | 11.5 | 2.3 |
| Apr | 14° / 6° | 44 | 10.2 | 0.1 | 13.5 | 4.2 |
| May | 18° / 9° | 53 | 11.4 | 0 | 15.3 | 5.5 |
| Jun | 21° / 12° | 63 | 11.6 | 0 | 16.2 | 6.0 |
| Jul | 23° / 14° | 70 | 12.6 | 0 | 15.8 | 6.4 |
| Aug | 23° / 14° | 67 | 11.2 | 0 | 14.3 | 6.5 |
| Sep | 19° / 11° | 57 | 10.1 | 0 | 12.4 | 5.9 |
| Oct | 15° / 8° | 59 | 11 | 0 | 10.4 | 4.1 |
| Nov | 9° / 5° | 61 | 12.4 | 0.5 | 8.7 | 1.8 |
| Dec | 6° / 2° | 72 | 13.7 | 2.3 | 7.8 | 0.5 |
Cloud cover in Spring
The sky is clear or mostly clear about 18% of the time across spring.
Chance of precipitation in Spring
Heerlen gets around 153 mm of rain and snow over 34 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 13 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 30 min in early March to 15 h 54 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.0 kWh/m².
Is spring a good time to visit Heerlen?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Heerlen for sightseeing.
What to pack for Heerlen in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Heerlen sees daytime highs around 14°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and sun protection. About 34 days see rain.
UV index in Heerlen in Spring
Clear-sky midday UV across spring averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Heerlen peaks around July 15 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 4 | 6 | 6 | 7 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Heerlen?
Heerlen sits at 50.9°N, 6.0°E, 114 m above sea level, in The Netherlands. The nearest listed city is Hoensbroek, 6.0 km away.
Topography around Heerlen
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Heerlen.
Within 3 km, the terrain around Heerlen has only modest variations in elevation — a maximum elevation change of 141 m around an average of 125 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, large variations in elevation — a maximum elevation change of 1,001 m.
The land around Heerlen is covered by artificial surfaces (37%) and trees (36%) within 3 km, cropland (32%), trees (27%) and grassland (22%) within 16 km, and trees (38%), cropland (27%) and grassland (23%) within 80 km.
The Netherlands travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 84% of US
- price level, 2025
- GDP per capita
- $73,684
- 2025
- Happiness
- 7.2 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 4
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 624
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Heerlen (50.8837°, 5.9815°, elevation 114 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.