Rosny-sur-Seine Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Rosny-sur-Seine

Rosny-sur-Seine temperature today is 15°, feels like 15°, with humidity at 85% and wind at 5.9 km/h. Rain chance today is 100%. Use the hourly forecast and 5-day outlook below to plan your day.

broken clouds
15°
broken clouds
H: 15° L: 15°
Feels like 15°
AQI: (/5)
Humidity
85%
Dew 12°
Wind speed
5.9 km/h
WSW · G4.64
Pressure
1020 hPa
Visibility
10 km
High Humidity
Humidity is 85%. May feel uncomfortable.
Weather Summary
Currently in Rosny-sur-Seine, expect varied conditions with mild temperatures around 15°. Winds are a light breeze. High humidity may make it feel uncomfortable.
Precipitation Probability
100%
02
0%
05
0%
08
0%
11
0%
14
0%
17
87%
20
100%
23
90%
02
25%
05
100%
08
100%
11
100%
14
100%
17
100%
20
72%
23
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
15°
Sat
02:00
14°
 
14°
 
20°
 
22°
Sat
14:00
22°
 
16°
 
15°
 
14°
Sun
02:00
13°
 
13°
 
14°
 
17°
Sun
14:00
18°
 
16°
 
12°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:31
Sunset
Sunset
21:09
Moon Phase
Full Moon (95%)
Timezone: GMT+05:30
Last updated: May 1, 2026 11:05 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
48.998081
Longitude
Longitude
1.631300
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More about Rosny-sur-Seine
Content curated by the NearWeather editorial team · Updated periodically

Rosny-sur-Seine, France: Climate and Weather Year Round

Rosny-sur-Seine is a charming commune located in the Yvelines department of the Île-de-France region in north-central France. Situated on the banks of the Seine River, Rosny-sur-Seine offers picturesque landscapes and a pleasant climate throughout the year. In this article, we will explore the climate and weather patterns of Rosny-sur-Seine, providing you with detailed information about the temperature, precipitation, and seasonal variations.

Temperature

Rosny-sur-Seine experiences a typical oceanic climate, characterized by mild to cool winters and warm summers. The average annual temperature in Rosny-sur-Seine is around 12 degrees Celsius (54 degrees Fahrenheit). Let's take a closer look at the temperature variations throughout the year:

Month Average High (°C) Average Low (°C)
January 6 1
February 7 1
March 11 3
April 14 5
May 18 8
June 21 11
July 24 13
August 24 12
September 20 10
October 15 7
November 10 4
December 7 2

As you can see, the summer months of June, July, and August are the warmest in Rosny-sur-Seine, with average high temperatures reaching around 24 degrees Celsius (75 degrees Fahrenheit). On the other hand, January is the coldest month, with average low temperatures dropping to around 1 degree Celsius (34 degrees Fahrenheit). It is worth noting that these temperatures are just averages, and actual weather conditions may vary.

Precipitation

Rosny-sur-Seine experiences a moderate level of precipitation throughout the year, with rain being evenly distributed across the seasons. The average annual precipitation in Rosny-sur-Seine is approximately 700 millimeters (27.5 inches). Here is a breakdown of the average monthly precipitation:

Month Precipitation (mm)
January 55
February 46
March 47
April 48
May 62
June 53
July 55
August 48
September 51
October 64
November 57
December 59

It is clear that there is no distinct wet or dry season in Rosny-sur-Seine, with precipitation levels remaining relatively consistent throughout the year. May and October tend to be slightly wetter months, receiving around 62 and 64 millimeters of rainfall, respectively.

Seasonal Variations

Rosny-sur-Seine experiences distinct seasonal variations, with each season offering its own unique charm. Let's take a closer look at the weather patterns during each season:

Spring (March to May):

  • Average temperatures gradually increase from 11 degrees Celsius (52 degrees Fahrenheit) in March to 18 degrees Celsius (64 degrees Fahrenheit) in May.
  • Rainfall levels remain moderate, with an average precipitation of around 48 to 62 millimeters per month.
  • The landscapes come alive with blooming flowers and vibrant colors.

Summer (June to August):

  • Warmest months of the year, with average high temperatures reaching around 24 degrees Celsius (75 degrees Fahrenheit).
  • July and August are the driest months, with an average precipitation of around 48 to 55 millimeters per month.
  • Perfect time for outdoor activities and enjoying the beautiful beaches along the Seine River.

Fall (September to November):

  • Average temperatures gradually decrease from 20 degrees Celsius (68 degrees Fahrenheit) in September to 10 degrees Celsius (50 degrees Fahrenheit) in November.
  • Rainfall levels remain moderate, with an average precipitation of around 51 to 64 millimeters per month.
  • The landscapes transform into a stunning array of autumn colors.

Winter (December to February):

  • Coldest months of the year, with average low temperatures dropping to around 1 degree Celsius (34 degrees Fahrenheit) in January.
  • Rainfall levels are relatively low, with an average precipitation of around 46 to 59 millimeters per month.
  • Winter activities such as ice skating and cozying up by the fireplace are popular.

These seasonal variations offer a diverse range of experiences for residents and visitors to enjoy throughout the year.

Conclusion

Rosny-sur-Seine, France, boasts a pleasant oceanic climate with mild winters and warm summers. Visitors can expect average temperatures of around 12 degrees Celsius (54 degrees Fahrenheit) throughout the year, with the warmest months being June, July, and August. Precipitation levels remain moderate, with an average annual rainfall of approximately 700 millimeters (27.5 inches). The distinct seasonal variations provide plenty of opportunities to enjoy the beauty of Rosny-sur-Seine in every season. Whether you prefer the colorful springs, sunny summers, picturesque autumns, or cozy winters, Rosny-sur-Seine has something to offer for everyone.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Rosny-sur-Seine
What is the Latitude and Longitude of Rosny-sur-Seine?

Rosny-sur-Seine's Latitude is 48.998081 & Longitude is 1.631300.

What is the weather in Rosny-sur-Seine today?

Weather in Rosny-sur-Seine is 15° today.

What is the climatic condition of Rosny-sur-Seine today?

Climate Conditions in Rosny-sur-Seine shows broken clouds today.

What is the humidity in Rosny-sur-Seine today?

Humidity in Rosny-sur-Seine is 85% today.

What is the wind speed in Rosny-sur-Seine today?

Wind speed in Rosny-sur-Seine is 5.9 km/h, flowing at 257° WSW wind direction.

What does it feel like in Rosny-sur-Seine today?

It feels like 15° in Rosny-sur-Seine today, with 69% cloud cover and 10 km visibility.

Weather in Rosny-sur-Seine