nomadseason

April Weather in Les Ulis, France

Last updated: August 23, 2025

In April, the average temperature in Les Ulis, France is 11°C (52°F), with a range that can vary from a chilly -3°C (27°F) to a warm 28°C (82°F). Expect about 33 mm (1.3 in) of precipitation over 6 days, contributing to an average humidity of 84%.

April Temperature in Les Ulis

In April in Les Ulis, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -3°C (27°F). This variation in temperature makes it essential for travelers to pack accordingly and be prepared for both warm and chilly conditions.

April Weather in Les Ulis: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Les Ulis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Les Ulis, April typically has an average temperature of 11°C (52°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec404347525866696862554643
Data source: Temperature data for Les Ulis generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Les Ulis

In Les Ulis, in April, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

April Precipitation Trends in Les Ulis

The chart displays monthly precipitation patterns in Les Ulis, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Les Ulis, April typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5767743476745160497965102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Les Ulis

In Les Ulis in April, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

April Average Humidity in Les Ulis

This chart illustrates the average monthly humidity levels in Les Ulis, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Les Ulis is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Les Ulis

In Les Ulis in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Les Ulis, you can refer to this Hourly UV Index in Les Ulis.

Maximum UV Index Levels in Les Ulis for April

The chart shows the monthly maximum UV Index (UVI) for Les Ulis in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Les Ulis typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689886421
Data source: Les Ulis April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Les Ulis Compares to Other Months

Weather in Les Ulis varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Les Ulis, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Les Ulis, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)57 mm (2.2 inches)91%low
February Weather6°C (43°F)67 mm (2.6 inches)89%moderate
March Weather8°C (47°F)74 mm (2.9 inches)85%moderate
April Weather11°C (52°F)33 mm (1.3 inches)84%high
May Weather14°C (58°F)75 mm (3.0 inches)82%very high
June Weather19°C (66°F)74 mm (2.9 inches)80%very high
July Weather20°C (69°F)51 mm (2.0 inches)73%very high
August Weather20°C (68°F)60 mm (2.3 inches)68%very high
September Weather17°C (62°F)49 mm (1.9 inches)76%high
October Weather13°C (55°F)79 mm (3.1 inches)88%moderate
November Weather8°C (46°F)65 mm (2.6 inches)92%low
December Weather6°C (43°F)102 mm (4.0 inches)93%low

Compare Les Ulis's Climate with Cities Worldwide