Thionville in Summer
In summer (June, July and August), Thionville sees average daytime highs around 23°C and overnight lows near 14°C, with 174 mm of rain over about 31 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 24% of the time across summer, and the air most often feels dry.
Summer is Thionville's best season of the year to visit on our travel score. For the whole year in context, see Thionville's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 14°C
- Rainfall
- 174 mm
- 31 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Thionville in Summer
Across summer, daytime highs hold fairly steady around 23°C.
A typical summer day in Thionville reaches about 23°C and drops to 14°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Thionville
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Thionville weather by month
How the three summer months (June, July and August) 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 | 5° / 0° | 67 | 12.1 | 2.2 | 8.4 | 0.0 |
| Feb | 6° / 0° | 56 | 10.7 | 2.3 | 9.8 | 0.4 |
| Mar | 10° / 3° | 58 | 11.1 | 1 | 11.5 | 2.4 |
| Apr | 15° / 5° | 50 | 10.2 | 0.1 | 13.4 | 4.3 |
| May | 19° / 9° | 65 | 12.2 | 0 | 15.1 | 5.6 |
| Jun | 22° / 12° | 59 | 10.3 | 0 | 16 | 6.5 |
| Jul | 24° / 14° | 56 | 10.5 | 0 | 15.6 | 6.8 |
| Aug | 24° / 14° | 59 | 10.3 | 0 | 14.2 | 6.8 |
| Sep | 20° / 11° | 62 | 9.2 | 0 | 12.4 | 6.2 |
| Oct | 14° / 7° | 67 | 11.3 | 0 | 10.5 | 4.0 |
| Nov | 9° / 4° | 69 | 12.6 | 0.7 | 8.9 | 1.4 |
| Dec | 5° / 1° | 84 | 13.9 | 2.6 | 8 | 0.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 24% of the time across summer.
Chance of precipitation in Summer
Thionville gets around 174 mm of rain over 31 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 42 min in early June to 13 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.3 kWh/m².
Is summer a good time to visit Thionville?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Thionville for sightseeing.
What to pack for Thionville in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Thionville sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 31 days see rain.
UV index in Thionville in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Thionville peaks around July 17 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 | 2 | 3 | 5 | 6 | 7 | 8 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Thionville?
Thionville sits at 49.4°N, 6.2°E, 155 m above sea level, in France. The nearest listed city is Yutz, 2.0 km away.
Topography around Thionville
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thionville.
Within 3 km, the terrain around Thionville has only modest variations in elevation — a maximum elevation change of 183 m around an average of 173 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 315 m; within 80 km, large variations in elevation — a maximum elevation change of 709 m.
The land around Thionville is covered by trees (40%) and artificial surfaces (38%) within 3 km, trees (43%) and cropland (26%) within 16 km, and trees (44%), cropland (29%) and grassland (22%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- 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 Thionville (49.3599°, 6.1604°, elevation 155 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.