Saint-Arnoult-en-Yvelines Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Saint-Arnoult-en-Yvelines

Saint-Arnoult-en-Yvelines temperature today is 18°, feels like 18°, with humidity at 53% and wind at 13.97 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

scattered clouds
18°
scattered clouds
H: 20° L: 18°
Feels like 18°
AQI: (/5)
Humidity
53%
Dew 9°
Wind speed
13.97 km/h
ENE · G29.45
Pressure
1013 hPa
Visibility
10 km
Windy Conditions
Wind speed is 13.97 km/h.
Weather Summary
Currently in Saint-Arnoult-en-Yvelines, expect varied conditions with mild temperatures around 18°. Winds are a light breeze.
Precipitation Probability
0%
23
86%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
17°
Tue
23:00
15°
 
12°
 
10°
 
13°
Wed
11:00
18°
 
20°
 
16°
 
14°
Wed
23:00
12°
 
10°
 
 
13°
Thu
11:00
18°
 
19°
 
16°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:37
Sunset
Sunset
21:01
Moon Phase
Waxing Gibbous (89%)
Timezone: GMT+05:30
Last updated: Apr 28, 2026 11:37 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
48.571110
Longitude
Longitude
1.939500
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More about Saint-Arnoult-en-Yvelines
Content curated by the NearWeather editorial team · Updated periodically

Saint-Arnoult-en-Yvelines: Climate and Weather Year Round

Saint-Arnoult-en-Yvelines is a charming commune located in the Yvelines department of the Île-de-France region in north-central France. It is known for its picturesque landscapes, historical sites, and pleasant weather year round. Understanding the climate and weather patterns in this region is essential for residents and visitors alike. In this article, we will explore the climate of Saint-Arnoult-en-Yvelines, including temperature variations, precipitation levels, and seasonal changes.

Temperature

The climate in Saint-Arnoult-en-Yvelines is classified as a temperate oceanic climate, characterized by mild winters and warm summers. The average annual temperature in the region is around 12°C (54°F). Let's take a closer look at the temperature variations throughout the year:

Month Average Temperature (°C)
January 4
February 5
March 8
April 10
May 14
June 18
July 20
August 20
September 17
October 13
November 8
December 5

As the table shows, the summer months of June, July, and August are the warmest, with average temperatures reaching around 20°C (68°F). On the other hand, January is the coldest month, with an average temperature of around 4°C (39°F). The climate in Saint-Arnoult-en-Yvelines offers a pleasant balance between warm summers and mild winters.

Precipitation

Saint-Arnoult-en-Yvelines experiences moderate levels of precipitation throughout the year. The annual average rainfall in the region is approximately 650 millimeters (25.6 inches). The distribution of precipitation is relatively evenly spread across the months, with no extreme wet or dry seasons. Let's take a look at the average monthly precipitation:

Month Average Precipitation (mm)
January 50
February 40
March 50
April 50
May 60
June 50
July 50
August 50
September 40
October 50
November 50
December 50

As shown in the table, precipitation levels remain fairly consistent throughout the year, with each month receiving approximately 40-60 millimeters (1.6-2.4 inches) of rainfall. This balanced distribution of precipitation ensures a green and lush environment in Saint-Arnoult-en-Yvelines.

Seasonal Changes

Saint-Arnoult-en-Yvelines experiences four distinct seasons: spring, summer, autumn, and winter. Each season brings its own unique charm and weather patterns. Let's explore the characteristics of each season:

Spring (March to May)

  • Average temperatures gradually rise from 8°C (46°F) in March to 14°C (57°F) in May.
  • Spring is a relatively wet season, with moderate rainfall and occasional showers.
  • The landscape comes alive with blossoming flowers and vibrant greenery.

Summer (June to August)

  • Summer is the warmest season, with average temperatures ranging from 18°C (64°F) to 20°C (68°F).
  • Days are longer, and the region experiences the least amount of rainfall during this season.
  • It is a great time for outdoor activities and enjoying the beautiful countryside.

Autumn (September to November)

  • Temperatures gradually cool down from 17°C (63°F) in September to 8°C (46°F) in November.
  • Autumn is a transitional season with mild weather and occasional rainfall.
  • The landscape transforms with colorful autumn foliage, creating a picturesque scenery.

Winter (December to February)

  • Winter is the coldest season, with average temperatures ranging from 4°C (39°F) to 5°C (41°F).
  • Occasional snowfall can occur, adding a touch of magic to the landscape.
  • Indoor activities and cozy evenings by the fireplace are popular during this season.

These seasonal changes offer a diverse and enjoyable experience for residents and visitors in Saint-Arnoult-en-Yvelines throughout the year.

Conclusion

Saint-Arnoult-en-Yvelines boasts a temperate oceanic climate with mild winters and warm summers. The average annual temperature of 12°C (54°F) provides a pleasant balance throughout the year. Moderate levels of precipitation, with an average of 650 millimeters (25.6 inches) annually, ensure a lush and green environment. The four distinct seasons bring their own unique charm, with spring blossoms, sunny summers, colorful autumns, and occasional winter snowfall. Whether you are seeking outdoor adventures or cozy indoor activities, Saint-Arnoult-en-Yvelines offers a delightful climate year round.

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 Saint-Arnoult-en-Yvelines
What is the Latitude and Longitude of Saint-Arnoult-en-Yvelines?

Saint-Arnoult-en-Yvelines's Latitude is 48.571110 & Longitude is 1.939500.

What is the weather in Saint-Arnoult-en-Yvelines today?

Weather in Saint-Arnoult-en-Yvelines is 18° today.

What is the climatic condition of Saint-Arnoult-en-Yvelines today?

Climate Conditions in Saint-Arnoult-en-Yvelines shows scattered clouds today.

What is the humidity in Saint-Arnoult-en-Yvelines today?

Humidity in Saint-Arnoult-en-Yvelines is 53% today.

What is the wind speed in Saint-Arnoult-en-Yvelines today?

Wind speed in Saint-Arnoult-en-Yvelines is 13.97 km/h, flowing at 70° ENE wind direction.

What does it feel like in Saint-Arnoult-en-Yvelines today?

It feels like 18° in Saint-Arnoult-en-Yvelines today, with 43% cloud cover and 10 km visibility.

Weather in Saint-Arnoult-en-Yvelines