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April Weather in Herblay, France

Last updated: August 23, 2025

In Herblay, France, the average temperature in April hovers around 11°C (52°F). However, be prepared for a range of temperatures; it can dip as low as -3°C (27°F) or soar up to 27°C (81°F). Expect some rain too, with an average precipitation of 34 mm (1.3 in) over 7 days. Notable for its high humidity, which averages 84%, make sure to bring layers and stay hydrated!

April Temperature in Herblay

In April in Herblay, the average temperature is 11°C (52°F). The maximum can reach 27°C (81°F), while the minimum can drop to as low as -3°C (27°F). Be prepared for a wide range of temperatures during your visit.

April Weather in Herblay: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Herblay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herblay, April typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346525765686762554643
Data source: Temperature data for Herblay generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Herblay

In Herblay in April, the total precipitation amount is 34 mm (1.3 in) over the course of 7 days.

April Precipitation Trends in Herblay

The chart displays monthly precipitation patterns in Herblay, 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 Herblay, April typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5669753470744959407866102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Herblay

In Herblay 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 Herblay

This chart illustrates the average monthly humidity levels in Herblay, 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 Herblay 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 Herblay

In Herblay 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 Herblay, you can refer to this Hourly UV Index in Herblay.

Maximum UV Index Levels in Herblay for April

The chart shows the monthly maximum UV Index (UVI) for Herblay 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 Herblay typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Herblay 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 Herblay Compares to Other Months

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

This table compares monthly weather conditions in Herblay, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)56 mm (2.2 inches)91%low
February Weather6°C (43°F)69 mm (2.7 inches)89%moderate
March Weather8°C (47°F)75 mm (3.0 inches)85%moderate
April Weather11°C (52°F)34 mm (1.3 inches)84%high
May Weather14°C (58°F)70 mm (2.7 inches)82%very high
June Weather19°C (66°F)74 mm (2.9 inches)80%very high
July Weather20°C (69°F)49 mm (1.9 inches)73%very high
August Weather20°C (68°F)58 mm (2.3 inches)68%very high
September Weather16°C (62°F)40 mm (1.6 inches)76%high
October Weather13°C (55°F)78 mm (3.1 inches)88%moderate
November Weather8°C (46°F)66 mm (2.6 inches)92%low
December Weather6°C (43°F)102 mm (4.0 inches)93%low

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