Guyancourt Weather in October

October in Guyancourt typically sees daytime highs of 17°C (63°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Guyancourt in October

Climate statistics over the past 30 years suggest around 14 days of rain, with 67 mm (2.6 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Guyancourt in October

October in Guyancourt sees highs of 17°C (63°F) and lows of 8°C (46°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Guyancourt in October

The city usually sees around 126 hours of sunlight, indicating a moderately sunny period.

Should you favor a climate that's both dry and comfortably warm, May, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.