Saint-Lô Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Lô.
Climate overview of Saint-Lô
Saint-Lô, Lower Normandy, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in August, while winters cool to 9°C (48°F) in January.
The city receives around 898 mm (35 in) of rainfall per year. It experiences warm summers and cold winters. December is the wettest month and July the driest. The most sunshine falls in June, with an average of 7.2 hours of daily sunshine.
Saint-Lô Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Lô - and find the best time to visit.
Monthly Temperature in Saint-Lô
Depending on the time of the year, temperatures range from comfortable to chilly in Saint-Lô. On average, daytime temperatures range from a comfortable 23°C (73°F) in August to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 14°C (57°F) in August to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Lô
Generally, Saint-Lô has a moderate amount of precipitation, averaging 898 mm (35 in) of rainfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 100 mm (3.9 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, July, still receives a respectable 58 mm (2.3 in) of rainfall. For more details, please visit our Saint-Lô Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Saint-Lô
In Saint-Lô, summer days are longer and more sunny, with daily sunshine hours peaking at 7.2 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.0 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Saint-Lô by Month
The city experiences its highest humidity in December, reaching 87%. In April, the humidity drops to its lowest level at 80%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Saint-Lô
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: June, July and August
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Saint-Lô
What is the best time to visit Saint-Lô?
June, July, August and September typically offer the most optimal weather in Saint-Lô. In contrast, January, February and December tend to have less optimal conditions. Saint-Lô has warm summers and cold winters.
What temperatures can I expect in Saint-Lô?
Daytime highs range from 9°C (48°F) in January to 23°C (73°F) in August. Nighttime lows range from 4°C (39°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Saint-Lô get?
Annual rainfall is around 898 mm (35 in). December is the wettest month with 100 mm (3.9 in), while July is the driest with 58 mm (2.3 in).
How sunny is Saint-Lô?
Saint-Lô receives around 1,692 hours of sunshine per year. June is the sunniest month with 215 hours, while December is the cloudiest with just 60 hours.
Saint-Lô 3-Day Forecast
Saint-Lô 3-Day Forecast
Saint-Lô on the map
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