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April Weather in Oyonnax, France

Last updated: August 23, 2025

In April, the average temperature in Oyonnax, France hovers around 10°C (50°F). While daytime highs can reach up to 25°C (78°F), nights may drop to a chilly -4°C (24°F). Expect a fair share of rain with an average precipitation of 71 mm (2.8 in) over 10 days, accompanied by a notable 84% humidity that blankets the region.

April Temperature in Oyonnax

In April in Oyonnax, the average temperature is 10°C (50°F). Maximums can reach 25°C (78°F), while minimums can dip as low as -4°C (24°F). This makes Oyonnax a destination where you can experience a wide range of temperatures, so be sure to pack accordingly for your travels.

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

The chart illustrates April temperature patterns in Oyonnax, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oyonnax, April typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (78°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec354044505664676760514237
Data source: Temperature data for Oyonnax 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 Oyonnax

In Oyonnax in April, the precipitation amount is 71 mm (2.8 in) over a duration of 10 days.

April Precipitation Trends in Oyonnax

The chart displays monthly precipitation patterns in Oyonnax, 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 Oyonnax, April typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1471111597117515111110393131133252
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Oyonnax

In Oyonnax in April, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.

April Average Humidity in Oyonnax

This chart illustrates the average monthly humidity levels in Oyonnax, 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 Oyonnax is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Oyonnax

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

Maximum UV Index Levels in Oyonnax for April

The chart shows the monthly maximum UV Index (UVI) for Oyonnax 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 Oyonnax typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356810986432
Data source: Oyonnax 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 Oyonnax Compares to Other Months

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

This table compares monthly weather conditions in Oyonnax, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)147 mm (5.8 inches)91%low
February Weather4°C (40°F)111 mm (4.4 inches)89%moderate
March Weather6°C (44°F)159 mm (6.3 inches)87%moderate
April Weather10°C (50°F)71 mm (2.8 inches)84%high
May Weather13°C (56°F)175 mm (6.9 inches)80%very high
June Weather18°C (65°F)151 mm (5.9 inches)82%very high
July Weather20°C (68°F)111 mm (4.4 inches)82%very high
August Weather19°C (67°F)103 mm (4.1 inches)77%very high
September Weather15°C (60°F)93 mm (3.7 inches)81%high
October Weather11°C (52°F)131 mm (5.2 inches)89%moderate
November Weather5°C (42°F)133 mm (5.2 inches)89%moderate
December Weather3°C (38°F)252 mm (9.9 inches)91%low

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