July Weather in Grignon

Last updated: March 2, 2024

The weather in Grignon, France, during July is characterized by an average temperature of 16°C (61°F). Highs can soar to 27°C (80°F), while lows may dip to 6°C (42°F). Typically, the humidity level in Grignon throughout July hovers around 72%.

6°C (42°F)

Minimum temperature

16°C (61°F)

Average temperature

27°C (80°F)

Maximum temperature

72%

Humidity

Precipitation and Sunshine hours

In July, Grignon averages 103 mm (4.0 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 15 hours 16 minutes of daylight, with the sun shining for approximately 13 hours 38 minutes each day. Additionally, there is a 38% probability of sunny days during this period.

103 mm (4.0 inches)

Precipitation

15 rainy days

Rainy days

13 hours 38 minutes

Sunshine hours

38%

Chance of sun

UV Index

In July, the UV Index in Grignon reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 3 5 7 9 10 10 9 7 5 3 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Grignon's Climate with Cities Worldwide