Roussillon, France experiences average highs of 18°C (64°F) and lows of 9°C (48°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.1°C (2.0°F) across the available records.
Roussillon, France Weather & Climate 2026
Monthly climate averages for Roussillon, 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
6/10
Best: June, July, August, September
UV Index
4
Low
Temperature 18°C / 9°C
Feels Like 16°C / 7°C
Rainy Days 11
Rainfall 84 mm
Sunshine 9 h
Humidity 75%
Wind Speed 16 km/h
Dew Point 9°C
Snow Days 3 days
Frost Days 7 days
Hottest Month
28°C
August
Avg Low17°C
Rain8days
Coldest Month
1°C
January
Avg High7°C
Rain12days
Driest Month
8days
August
Avg High28°C
Avg Low17°C
Windiest Month
18 km/h
March (Gusts 43)
Worst Time to Visit
Consider avoiding January, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:53
Daylight 15.6h
Sunset 21:32
Live conditions—
Roussillon on the map · live conditions
Roussillon, France
- Continent
- Europe
- Country
- France
- City
- Roussillon
- Population
- 8.1K
- Coordinates
- 45.37°, 4.81°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 7°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 27°C
Avg Low 17°C
Rain 10 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 9°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 9°C
Avg Low 2°C
Rain 11 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 7°C / 1°C . Feb: 10°C / 2°C . Mar: 13°C / 4°C . Apr: 17°C / 7°C . May: 20°C / 10°C . Jun: 26°C / 16°C . Jul: 28°C / 17°C . Aug: 28°C / 17°C . Sep: 23°C / 14°C . Oct: 18°C / 10°C . Nov: 12°C / 5°C . Dec: 8°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 65 mm. Feb: 53 mm. Mar: 81 mm. Apr: 75 mm. May: 110 mm. Jun: 95 mm. Jul: 80 mm. Aug: 67 mm. Sep: 84 mm. Oct: 110 mm. Nov: 103 mm. Dec: 84 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 84%. Feb: 80%. Mar: 75%. Apr: 69%. May: 72%. Jun: 68%. Jul: 63%. Aug: 62%. Sep: 70%. Oct: 80%. Nov: 85%. Dec: 88%.
Monthly Wind Speed
Wind SpeedGusts
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: 15 km/h . Aug: 15 km/h . Sep: 15 km/h . Oct: 17 km/h . Nov: 16 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 7h. Mar: 9h. Apr: 10h. May: 11h. Jun: 12h. 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 6. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 2. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 6 days. Feb: 4 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 1.1°C (2.0°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 · 29°C | Aug · 28°C |
| Coldest month | Jan 2025 · 1°C | Jan · 1°C |
| Wettest month | Sep 2025 · 176 mm | May · 110 mm |
| Windiest month | Jan 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 | 7°C / 1°C | 4°C / -3°C | 12days (65 mm) Wet | 5.4h Fair | 84% Humid | 1.8 Low | Poor | View Details |
| February | 10°C / 2°C | 7°C / -1°C | 9days (53 mm) Wet | 7h Good | 80% Humid | 2.7 Moderate | Poor | View Details |
| March | 13°C / 4°C | 10°C / 1°C | 12days (81 mm) Wet | 8.8h Good | 75% Muggy | 4.1 Moderate | Fair | View Details |
| April | 17°C / 7°C | 14°C / 4°C | 11days (75 mm) Wet | 10.4h Excellent | 69% Muggy | 5.5 High | Fair | View Details |
| May | 20°C / 10°C | 19°C / 9°C | 14days (110 mm) Wet | 10.9h Excellent | 72% Muggy | 6.2 High | Good | View Details |
| June best | 26°C / 16°C | 26°C / 15°C | 12days (95 mm) Wet | 12.3h Excellent | 68% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 28°C / 17°C | 29°C / 17°C | 9days (80 mm) Wet | 12.8h Excellent | 63% Muggy | 7.1 Very High | Excellent | View Details |
| August best | 28°C / 17°C | 29°C / 18°C | 8days (67 mm) Wet | 11.8h Excellent | 62% Muggy | 6.6 High | Excellent | View Details |
| September best | 23°C / 14°C | 23°C / 13°C | 9days (84 mm) Wet | 9.8h Good | 70% Muggy | 5 Moderate | Excellent | View Details |
| October | 18°C / 10°C | 16°C / 8°C | 10days (110 mm) Wet | 7.6h Good | 80% Humid | 3.5 Moderate | Good | View Details |
| November | 12°C / 5°C | 9°C / 2°C | 12days (103 mm) Wet | 6h Fair | 85% Humid | 2.1 Moderate | Fair | View Details |
| December | 8°C / 2°C | 6°C / -1°C | 13days (84 mm) Wet | 5.1h Fair | 88% Very Muggy | 1.5 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Roussillon are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Roussillon, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Roussillon is August, with average daytime highs of 28°C (83°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Roussillon is January, with average overnight lows of 1°C (34°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Roussillon is May, averaging 110mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Roussillon runs through May, December, January, March, with the heaviest rainfall in May. Based on 10-year averages for Roussillon.
Roussillon receives approximately 108 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Roussillon.
The least favorable months to visit Roussillon are January, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Roussillon is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Roussillon is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Roussillon receives snow. Months with snowfall average 3 snow days and 4 cm (2 in) of accumulation, with about 7 frost days during winter.
Average wind speeds in Roussillon are 16 km/h (10 mph). The windiest month is March with peak winds reaching 18 km/h (11 mph) (gusts up to 43 km/h / 27 mph).
Roussillon averages 5 clear-sky days per month with overall cloud cover around 57%. The clearest skies occur in July.
The annual average dew point in Roussillon is 9°C (48°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Roussillon 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 Roussillon ranges from 7°C (45°F) to 16°C (61°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Roussillon. It earns a climate score of 8.4/10 with Excellent.
For June in Roussillon, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 26°C (78°F) and 12 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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