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Saint-Germain-en-Laye Weather in May
May in Saint-Germain-en-Laye sees daytime temperatures around 20°C (68°F) and lows of 9°C (48°F) at night. With around 70 mm (2.8 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Saint-Germain-en-Laye in May
Records from the past 30 years suggest around 16 days of rain, with 70 mm (2.8 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Saint-Germain-en-Laye in May
Weather in Saint-Germain-en-Laye is at its excellent in May. Highs reach 20°C (68°F), while nights settle around 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Saint-Germain-en-Laye in May
The city usually sees around 200 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Saint-Germain-en-Laye Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
52%
Precipitation
70 mm (2.8 in)
Rainy days
16 days
Humidity
69% *
Sunshine
200 hours *
Percentage Sunshine
42% *
* Data from: Paris, France (27 KM, 16 Miles).
Saint-Germain-en-Laye Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Germain-en-Laye - and find the best time to visit.
Best Places in France in May
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Saint-Germain-en-Laye in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Saint-Germain-en-Laye in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping4/10 -
Outdoor sports10/10
Saint-Germain-en-Laye 3-Day Forecast
More climate data for Saint-Germain-en-Laye
Temperature Rainfall Sunshine Humidity
See the full Saint-Germain-en-Laye climate overview or explore weather in France.
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Where to go in May - average daytime high across popular destinations.
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