Château-Thierry in Summer
In summer (June, July and August), Château-Thierry sees average daytime highs around 23°C and overnight lows near 14°C, with 184 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 20°C in early June to 22°C by late August. The sky is clear or mostly clear about 23% of the time across summer, and the air most often feels dry.
Summer is Château-Thierry's best season of the year to visit on our travel score. For the whole year in context, see Château-Thierry's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 14°C
- Rainfall
- 184 mm
- 32 wet days
- Avg wind
- 12 km/h
- Travel score
- 6.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Château-Thierry in Summer
Over the season highs climb from about 20°C in early June to 22°C by late August.
A typical summer day in Château-Thierry 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 Château-Thierry
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.
Château-Thierry 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 | 6° / 1° | 65 | 11.7 | 1.1 | 8.5 | 0.4 |
| Feb | 7° / 1° | 57 | 10.5 | 1.6 | 9.8 | 0.9 |
| Mar | 11° / 3° | 58 | 11.6 | 0.7 | 11.6 | 2.6 |
| Apr | 15° / 6° | 57 | 11.3 | 0.1 | 13.4 | 4.2 |
| May | 18° / 9° | 69 | 11.7 | 0 | 15 | 5.5 |
| Jun | 21° / 12° | 62 | 11.6 | 0 | 15.9 | 6.2 |
| Jul | 24° / 14° | 59 | 10.1 | 0 | 15.6 | 6.8 |
| Aug | 24° / 14° | 64 | 10.2 | 0 | 14.2 | 6.9 |
| Sep | 20° / 11° | 54 | 8.9 | 0 | 12.4 | 6.3 |
| Oct | 15° / 8° | 67 | 11.3 | 0 | 10.5 | 4.3 |
| Nov | 10° / 4° | 66 | 12.1 | 0.5 | 8.9 | 1.9 |
| Dec | 6° / 2° | 82 | 13.4 | 1.6 | 8.1 | 0.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 23% of the time across summer.
Chance of precipitation in Summer
Château-Thierry gets around 184 mm of rain over 32 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 12 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 Château-Thierry?
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 Château-Thierry for sightseeing.
What to pack for Château-Thierry in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Château-Thierry sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 32 days see rain.
UV index in Château-Thierry 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 Château-Thierry peaks around July 15 at about 7 (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 | 7 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | 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 | 7 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Château-Thierry?
Château-Thierry sits at 49.0°N, 3.4°E, 88 m above sea level, in France. The nearest listed city is Coulommiers, 35 km away.
Topography around Château-Thierry
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Château-Thierry.
Within 3 km, the terrain around Château-Thierry has only modest variations in elevation — a maximum elevation change of 175 m around an average of 120 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, significant variations in elevation — a maximum elevation change of 282 m.
The land around Château-Thierry is covered by trees (41%) and cropland (27%) within 3 km, cropland (47%) and trees (38%) within 16 km, and cropland (60%) and trees (29%) 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 Château-Thierry (49.0464°, 3.403°, elevation 88 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.