July Weather in Mertzwiller, France

Last updated: August 23, 2025

In July, the average temperature in Mertzwiller, France is a comfortable 21°C (70°F). However, temperatures can range significantly, with a minimum of 9°C (49°F) and soaring up to a maximum of 38°C (101°F). Be prepared for potential rainfall, as the area experiences about 74 mm (2.9 in) of precipitation over 12 days. With an average humidity level of 83%, it's essential to stay hydrated and embrace the warmth!

July Temperature in Mertzwiller

In July in Mertzwiller, the average temperature is 21°C (70°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 9°C (49°F). This makes it essential for travelers to pack accordingly for both warm afternoons and cooler evenings.

July Weather in Mertzwiller: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Mertzwiller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mertzwiller, July typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec374145525868707062544440
Data source: Temperature data for Mertzwiller 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.

July Precipitation in Mertzwiller

In Mertzwiller in July, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

July Precipitation Trends in Mertzwiller

The chart displays monthly precipitation patterns in Mertzwiller, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Mertzwiller, July typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7973753976747468517263112
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Mertzwiller

In Mertzwiller in July humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

July Average Humidity in Mertzwiller

This chart illustrates the average monthly humidity levels in Mertzwiller, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Mertzwiller is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Mertzwiller

In Mertzwiller in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mertzwiller.

Maximum UV Index Levels in Mertzwiller for July

The chart shows the monthly maximum UV Index (UVI) for Mertzwiller in July, 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 July, the maximum UV index in Mertzwiller typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689876421
Data source: Mertzwiller July 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 July Weather in Mertzwiller Compares to Other Months

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

This table compares monthly weather conditions in Mertzwiller, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)79 mm (3.1 inches)91%low
February Weather5°C (41°F)73 mm (2.9 inches)89%moderate
March Weather7°C (45°F)75 mm (3.0 inches)87%moderate
April Weather11°C (52°F)39 mm (1.5 inches)83%high
May Weather15°C (59°F)76 mm (3.0 inches)79%very high
June Weather20°C (68°F)74 mm (2.9 inches)82%very high
July Weather21°C (70°F)74 mm (2.9 inches)83%very high
August Weather21°C (70°F)68 mm (2.7 inches)84%high
September Weather17°C (62°F)50 mm (2.0 inches)85%high
October Weather12°C (54°F)72 mm (2.8 inches)88%moderate
November Weather7°C (44°F)63 mm (2.5 inches)89%low
December Weather5°C (40°F)112 mm (4.4 inches)91%low

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