Gradignan in Summer
In summer (June, July and August), Gradignan sees average daytime highs around 26°C and overnight lows near 15°C, with 169 mm of rain over about 26 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 23°C in early June to 27°C by late August. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels comfortable.
Summer is Gradignan's best season of the year to visit on our travel score. For the whole year in context, see Gradignan's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 169 mm
- 26 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Gradignan in Summer
Over the season highs climb from about 23°C in early June to 27°C by late August.
A typical summer day in Gradignan reaches about 26°C and drops to 15°C overnight. The warmest of the three months is August, the coolest June.
Gradignan 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 10° / 4° | 71 | 10.8 | 9 | 2.3 |
| Feb | 12° / 3° | 50 | 9.2 | 10.1 | 3.0 |
| Mar | 15° / 6° | 53 | 10.1 | 11.6 | 4.7 |
| Apr | 18° / 8° | 69 | 11.9 | 13.2 | 5.5 |
| May | 21° / 11° | 75 | 11.5 | 14.6 | 6.2 |
| Jun | 25° / 14° | 64 | 9.5 | 15.3 | 6.9 |
| Jul | 27° / 16° | 48 | 7.9 | 15 | 6.9 |
| Aug | 27° / 16° | 57 | 8.1 | 13.9 | 6.9 |
| Sep | 24° / 13° | 58 | 8.6 | 12.3 | 7.1 |
| Oct | 20° / 10° | 67 | 10.6 | 10.7 | 6.1 |
| Nov | 14° / 7° | 79 | 11.6 | 9.4 | 3.9 |
| Dec | 11° / 4° | 74 | 11.4 | 8.7 | 2.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
Gradignan gets around 169 mm of rain over 26 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 06 min in early June to 13 h 06 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 5.9 kWh/m².
Is summer a good time to visit Gradignan?
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 Gradignan for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Gradignan in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Gradignan sees daytime highs around 26°C and nights near 15°C. Pack light clothes and sun protection. Worth having: rain gear. About 26 days see rain.
Sea temperature near Gradignan in Summer
The nearest coast averages about 20°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 61 km away) is warmest in August at about 21°C and coldest in February near 11°C.
It's comfortable for a long swim from Jul 9 to Sep 15 — about 2.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 11 | 12 | 13 | 15 | 18 | 21 | 21 | 20 | 18 | 16 | 13 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 11 | Bracing |
| Mar | 12 | Bracing |
| Apr | 13 | Bracing |
| May | 15 | Cool |
| Jun | 18 | Cool |
| Jul | 21 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 20 | Refreshing |
| Oct | 18 | Cool |
| Nov | 16 | Cool |
| Dec | 13 | Bracing |
UV index in Gradignan in Summer
Clear-sky midday UV across summer averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gradignan peaks around July 18 at about 8 (very 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 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 6 | 7 | 8 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Gradignan?
Gradignan sits at 44.8°N, 0.6°W, 31 m above sea level, in France. The nearest listed city is Villenave-d'Ornon, 4.0 km away.
Topography around Gradignan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gradignan.
Within 3 km, the terrain around Gradignan has only modest variations in elevation — a maximum elevation change of 52 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 104 m; within 80 km, only modest variations in elevation — a maximum elevation change of 199 m.
The land around Gradignan is covered by trees (43%) and artificial surfaces (41%) within 3 km, trees (47%), artificial surfaces (23%) and grassland (20%) within 16 km, and trees (45%) and grassland (24%) 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 Gradignan (44.7736°, -0.6139°, elevation 31 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.