Fléron in Spring
In spring (March, April and May), Fléron sees average daytime highs around 13°C and overnight lows near 5°C, with 222 mm of precipitation over about 41 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 7°C in early March to 18°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 Fléron's 3rd-best season to visit on our travel score. For the whole year in context, see Fléron's year-round climate.
- Avg daytime high
- 13°C
- 3rd-warmest season
- Avg overnight low
- 5°C
- Precipitation
- 222 mm
- 41 wet days
- Avg wind
- 14 km/h
- Travel score
- 3.1
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Fléron in Spring
Over the season highs climb from about 7°C in early March to 18°C by late May.
A typical spring day in Fléron reaches about 13°C and drops to 5°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Fléron
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 33 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Fléron 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 | 4° / 0° | 97 | 14.6 | 4.2 | 8.3 | 0.0 |
| Feb | 5° / -0° | 83 | 13.1 | 5.5 | 9.7 | 0.1 |
| Mar | 9° / 2° | 85 | 14.7 | 3.4 | 11.5 | 1.5 |
| Apr | 13° / 5° | 64 | 12.7 | 0.7 | 13.5 | 3.2 |
| May | 17° / 8° | 73 | 13.9 | 0 | 15.2 | 4.7 |
| Jun | 19° / 11° | 85 | 14 | 0 | 16.2 | 5.4 |
| Jul | 21° / 13° | 89 | 14.5 | 0 | 15.8 | 5.9 |
| Aug | 21° / 13° | 87 | 13.3 | 0 | 14.3 | 5.9 |
| Sep | 17° / 10° | 74 | 12 | 0 | 12.4 | 5.2 |
| Oct | 13° / 7° | 76 | 13.2 | 0 | 10.4 | 3.3 |
| Nov | 8° / 4° | 83 | 14.3 | 1.6 | 8.7 | 1.1 |
| Dec | 5° / 1° | 108 | 15.9 | 4.9 | 7.8 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 18% of the time across spring.
Chance of precipitation in Spring
Fléron gets around 222 mm of rain and snow over 41 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 14 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 36 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 Fléron?
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 weaker month for outdoor sightseeing in Fléron.
What to pack for Fléron in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Fléron sees daytime highs around 13°C and nights near 5°C. Pack a warm layer and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Fléron 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 Fléron peaks around July 13 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 |
Air quality in Fléron in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Fléron is worst in April — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 13 | 17 | 18 | 15 | 14 | 13 | 14 | 13 | 12 | 11 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 17 | Moderate |
| Apr | 18 | Moderate |
| May | 15 | Moderate |
| Jun | 14 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 13 | Moderate |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 11 | Good |
Where is Fléron?
Fléron sits at 50.6°N, 5.7°E, 258 m above sea level, in Belgium. The nearest listed city is Soumagne, 5.0 km away.
Topography around Fléron
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fléron.
Within 3 km, the terrain around Fléron has only modest variations in elevation — a maximum elevation change of 234 m around an average of 215 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 362 m; within 80 km, large variations in elevation — a maximum elevation change of 1,000 m.
The land around Fléron is covered by trees (46%) and grassland (33%) within 3 km, trees (39%) and grassland (33%) within 16 km, and trees (41%), grassland (26%) and cropland (26%) within 80 km.
Belgium travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 81% of US
- price level, 2025
- GDP per capita
- $60,750
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 5.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 608
- 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 Fléron (50.6152°, 5.6806°, elevation 258 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.