Saint-Cast-le-Guildo Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Saint-Cast-le-Guildo

Saint-Cast-le-Guildo temperature today is 18°, feels like 19°, with a humidity level of 94% and wind at 18.5 km/h. Rain chance today is 96%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Saint-Cast-le-Guildo: expect a high of 18° and a low of 13°, with light rain. Rain chance tomorrow is 99%.

light rain
18°
light rain
H: 19° L: 18°
Feels like 19°
AQI: Fair (2/5)
Humidity
94%
Dew 17°
Wind speed
18.5 km/h
S
Pressure
1015 hPa
Visibility
10 km
Rain
0.94 mm
Windy Conditions
Wind speed is 18.5 km/h.
High Humidity
Humidity is 94%. May feel uncomfortable.
Weather Summary
Currently in Saint-Cast-le-Guildo, expect varied conditions with mild temperatures around 18°. Winds are moderate winds. High humidity may make it feel uncomfortable.
Precipitation Probability
96%
17
100%
20
47%
23
20%
02
80%
05
68%
08
87%
11
28%
14
20%
17
0%
20
99%
23
20%
02
0%
05
0%
08
0%
11
0%
14
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
20°
Sun
17:00
17°
 
15°
 
15°
 
14°
Mon
05:00
13°
 
16°
 
18°
 
18°
Mon
17:00
16°
 
14°
 
14°
 
16°
Tue
05:00
17°
 
20°
 
23°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
08:02
Sunset
Sunset
19:57
Moon Phase
Full Moon (97%)
Timezone: GMT+05:30
Last updated: Sep 27, 2026 5:46 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
48.630280
Longitude
Longitude
-2.257770
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More about Saint-Cast-le-Guildo
Content curated by the NearWeather editorial team · Updated periodically

Saint-Cast-le-Guildo, France: Climate and Weather Year Round

Saint-Cast-le-Guildo is a picturesque coastal town located in the Côtes-d'Armor department of Brittany, France. Known for its stunning beaches, charming harbor, and rich history, the town attracts visitors from all over the world. Understanding the climate and weather conditions of Saint-Cast-le-Guildo is essential for both residents and tourists planning their visit. In this article, we will explore the climate and weather patterns of Saint-Cast-le-Guildo throughout the year, providing detailed information and insights.

Geographical Location and Climate Classification

Saint-Cast-le-Guildo is situated on the northern coast of Brittany, overlooking the English Channel. Its geographical location greatly influences its climate. The town falls under the classification of a temperate oceanic climate, characterized by mild temperatures, moderate rainfall, and relatively high humidity.

Temperature Patterns

The temperature in Saint-Cast-le-Guildo varies throughout the year, with distinct seasonal changes. Here is a breakdown of the average monthly temperatures:

Month Average Temperature (°C)
January 7
February 7
March 9
April 11
May 14
June 17
July 19
August 19
September 17
October 13
November 10
December 8

As the table indicates, the warmest months in Saint-Cast-le-Guildo are July and August, with average temperatures reaching 19°C. The coldest months are January and February, with average temperatures around 7°C. It is important to note that these temperatures are averages, and actual temperatures can fluctuate.

Precipitation and Rainfall

Saint-Cast-le-Guildo experiences moderate rainfall throughout the year. The town receives an average annual precipitation of approximately 800mm. Here is a breakdown of the average monthly rainfall:

Month Average Rainfall (mm)
January 90
February 70
March 60
April 60
May 50
June 40
July 40
August 50
September 70
October 100
November 110
December 95

The months with the highest precipitation in Saint-Cast-le-Guildo are October and November, with average rainfall exceeding 100mm. The driest months are June, July, and August, with average rainfall around 40-50mm. It is worth noting that rain showers in the region are often short-lived and can be followed by periods of clear skies.

Sunshine Hours

Saint-Cast-le-Guildo benefits from a reasonable amount of sunshine throughout the year. Here is a breakdown of the average monthly sunshine hours:

Month Average Sunshine Hours
January 60
February 80
March 120
April 170
May 230
June 250
July 280
August 260
September 200
October 140
November 80
December 60

The months with the highest sunshine hours in Saint-Cast-le-Guildo are July and August, with an average of 280 and 260 hours, respectively. The months with the lowest sunshine hours are January and December, with only 60 hours. The spring and summer months offer the most favorable weather conditions for outdoor activities and beach visits.

Wind and Storms

Saint-Cast-le-Guildo, being a coastal town, is occasionally affected by strong winds and storms. The prevailing winds in the region come from the west, bringing in fresh sea air. It is important to note that the intensity of winds and storms can vary from year to year, and it is advisable to monitor weather forecasts and warnings during your visit.

Conclusion

Saint-Cast-le-Guildo, with its temperate oceanic climate, offers a pleasant and mild weather experience throughout the year. Visitors can expect warm summers, cool winters, and moderate rainfall. The town's geographical location on the coast provides a refreshing sea breeze, making it an ideal destination for beach lovers and outdoor enthusiasts. Whether you visit in the summer to enjoy the long sunny days or in the winter to experience the cozy coastal charm, Saint-Cast-le-Guildo has something to offer every season.

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-Cast-le-Guildo
What is the temperature in Saint-Cast-le-Guildo right now?

The current temperature in Saint-Cast-le-Guildo is 18°, and it feels like 19°. Today's high is 19° and the low is 18°.

Will it rain in Saint-Cast-le-Guildo today?

The chance of rain in Saint-Cast-le-Guildo today is 96%. Current rainfall is 0.94 mm. Check the hourly forecast above for exact timing.

What is the weather in Saint-Cast-le-Guildo today?

Saint-Cast-le-Guildo is experiencing light rain with a temperature of 18°. Humidity is at 94% and wind speed is 18.5 km/h from the S.

What is the humidity in Saint-Cast-le-Guildo today?

Humidity in Saint-Cast-le-Guildo is 94% right now, with a dew point of 17°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Saint-Cast-le-Guildo today?

Wind speed in Saint-Cast-le-Guildo is 18.5 km/h, flowing at 180° S wind direction.

What is the 5-day forecast for Saint-Cast-le-Guildo?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Saint-Cast-le-Guildo. Today's high is 19° and low is 18°, with a 96% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Saint-Cast-le-Guildo today?

It feels like 19° in Saint-Cast-le-Guildo today, with 100% cloud cover and 10 km visibility.

Weather in Saint-Cast-le-Guildo