Cornas, France experiences average highs of 18°C (64°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 0.9°C (1.6°F) across the available records.
Cornas, France Weather & Climate 2026
Monthly climate averages for Cornas, France. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.2/10
Best: June, July, August, September
UV Index
4
Low
Temperature 18°C / 10°C
Feels Like 17°C / 8°C
Rainy Days 10
Rainfall 74 mm
Sunshine 9 h
Humidity 73%
Wind Speed 17 km/h
Dew Point 9°C
Snow Days 3 days
Frost Days 4 days
Hottest Month
29°C
August
Avg Low 18°C
Rain 6 days
Coldest Month
2°C
January
Avg High 8°C
Rain 11 days
Driest Month
6 days
August
Avg High 29°C
Avg Low 18°C
Windiest Month
18 km/h
March (Gusts 44)
Worst Time to Visit
Consider avoiding January, December due to frequent rain.
Sun Position
Sunrise 06:08
Daylight 15.3h
Sunset 21:24
Live conditions —
Cornas on the map · live conditions
Cornas, France
- Continent
- Europe
- Country
- France
- City
- Cornas
- Population
- 2.2K
- Coordinates
- 44.96°, 4.85°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 8°C
Rain 11 days/mo
Summer
Jun–Aug
Avg High 28°C
Avg Low 17°C
Rain 8 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 10°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 10°C
Avg Low 3°C
Rain 10 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 8°C / 2°C . Feb: 11°C / 3°C . Mar: 14°C / 5°C . Apr: 17°C / 7°C . May: 21°C / 11°C . Jun: 26°C / 16°C . Jul: 29°C / 18°C . Aug: 29°C / 18°C . Sep: 24°C / 15°C . Oct: 19°C / 11°C . Nov: 12°C / 6°C . Dec: 9°C / 3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 55 mm. Feb: 49 mm. Mar: 78 mm. Apr: 68 mm. May: 94 mm. Jun: 78 mm. Jul: 58 mm. Aug: 52 mm. Sep: 76 mm. Oct: 104 mm. Nov: 101 mm. Dec: 73 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 79%. Mar: 74%. Apr: 68%. May: 70%. Jun: 66%. Jul: 59%. Aug: 58%. Sep: 67%. Oct: 78%. Nov: 84%. Dec: 86%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 17 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 17 km/h . Jun: 16 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 15 km/h . Oct: 17 km/h . Nov: 16 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 11h. May: 11h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
Snow Days: Jan: 5 days. Feb: 3 days. Mar: 2 days. Apr: 1 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 2 days. Dec: 5 days.
Climate Trends
Average highs have warmed by 0.9°C (1.6°F) across the available records. Average rainfall is trending wetter by about 15 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 30°C | Aug · 29°C |
| Coldest month | Jan 2025 · 2°C | Jan · 2°C |
| Wettest month | Sep 2025 · 169 mm | Oct · 104 mm |
| Windiest month | Mar 2025 · 19 km/h | Mar · 18 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 2°C | 5°C / -2°C | 11days (55 mm) Wet | 5.8h Fair | 83% Humid | 1.7 Low | Poor | View Details |
| February | 11°C / 3°C | 8°C / 0°C | 8days (49 mm) Wet | 7.3h Good | 79% Humid | 2.6 Moderate | Poor | View Details |
| March | 14°C / 5°C | 11°C / 2°C | 11days (78 mm) Wet | 9h Good | 74% Muggy | 4.1 Moderate | Fair | View Details |
| April | 17°C / 7°C | 15°C / 5°C | 10days (68 mm) Wet | 10.6h Excellent | 68% Muggy | 5.4 High | Fair | View Details |
| May | 21°C / 11°C | 20°C / 9°C | 13days (94 mm) Wet | 11.3h Excellent | 70% Muggy | 6.3 High | Good | View Details |
| June best | 26°C / 16°C | 27°C / 16°C | 11days (78 mm) Wet | 12.6h Excellent | 66% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 29°C / 18°C | 29°C / 18°C | 8days (58 mm) Wet | 13.1h Excellent | 59% Moderate | 7.1 Very High | Excellent | View Details |
| August best | 29°C / 18°C | 29°C / 18°C | 6days (52 mm) Good | 12h Excellent | 58% Moderate | 6.5 High | Excellent | View Details |
| September best | 24°C / 15°C | 23°C / 14°C | 8days (76 mm) Wet | 10.1h Excellent | 67% Muggy | 5 Moderate | Excellent | View Details |
| October | 19°C / 11°C | 17°C / 9°C | 9days (104 mm) Wet | 7.8h Good | 78% Humid | 3.4 Moderate | Good | View Details |
| November | 12°C / 6°C | 10°C / 3°C | 11days (101 mm) Wet | 6.4h Fair | 84% Humid | 2.1 Moderate | Fair | View Details |
| December | 9°C / 3°C | 7°C / 0°C | 11days (73 mm) Wet | 5.4h Fair | 86% Very Muggy | 1.6 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Cornas are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Cornas, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Cornas is August, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Cornas is January, with average overnight lows of 2°C (35°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Cornas is October, averaging 104mm of precipitation across 9 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Cornas runs through May, January, March, June, with the heaviest rainfall in May. Based on 10-year averages for Cornas.
Cornas receives approximately 111 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Cornas.
The least favorable months to visit Cornas are January, December, primarily due to frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Cornas is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Cornas is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Cornas receives snow. Months with snowfall average 3 snow days and 3 cm (1 in) of accumulation, with about 4 frost days during winter.
Average wind speeds in Cornas are 17 km/h (11 mph). The windiest month is March with peak winds reaching 18 km/h (11 mph) (gusts up to 44 km/h / 27 mph).
Cornas averages 5 clear-sky days per month with overall cloud cover around 56%. The clearest skies occur in July.
The annual average dew point in Cornas is 9°C (48°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Cornas has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Cornas ranges from 8°C (46°F) to 17°C (63°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, July is a great time to visit Cornas. It earns a climate score of 9/10 with Excellent.
For July in Cornas, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 29°C (84°F) and 8 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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