June Weather in Saint-Nazaire, France

Last updated: August 23, 2025

In June, the average temperature in Saint-Nazaire, France is a pleasant 23°C (73°F). However, temperatures can fluctuate significantly, with a minimum of 10°C (51°F) and a scorching maximum of 39°C (103°F). Visitors can expect approximately 36 mm (1.4 in) of precipitation spread over 6 days, accompanied by an average humidity level of 67%.

June Temperature in Saint-Nazaire

In June in Saint-Nazaire, the average temperature is 23°C (73°F), with maximums reaching 39°C (103°F) and minimums dropping to as low as 10°C (51°F). It's advisable to pack for varying conditions while enjoying the warmth of the season.

June Weather in Saint-Nazaire: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Saint-Nazaire, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Nazaire, June typically has an average temperature of 23°C (73°F), with highs reaching up to 39°C (103°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec465053576573787770635349
Data source: Temperature data for Saint-Nazaire 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.

June Precipitation in Saint-Nazaire

In Saint-Nazaire in June, the total precipitation amount is 36 mm (1.4 in), which falls over the course of 6 days.

June Precipitation Trends in Saint-Nazaire

The chart displays monthly precipitation patterns in Saint-Nazaire, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Saint-Nazaire, June typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec594657785136232849936441
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Saint-Nazaire

In Saint-Nazaire in June humidity is 67%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket that makes the air feel thick and slightly sticky, which can be challenging for travelers who prefer cooler, drier conditions.

June Average Humidity in Saint-Nazaire

This chart illustrates the average monthly humidity levels in Saint-Nazaire, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Saint-Nazaire is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%77%73%73%71%67%66%63%70%80%84%83%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Saint-Nazaire

In Saint-Nazaire in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Saint-Nazaire.

Maximum UV Index Levels in Saint-Nazaire for June

The chart shows the monthly maximum UV Index (UVI) for Saint-Nazaire in June, 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 June, the maximum UV index in Saint-Nazaire typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Saint-Nazaire June 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 June Weather in Saint-Nazaire Compares to Other Months

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

This table compares monthly weather conditions in Saint-Nazaire, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)59 mm (2.3 inches)82%low
February Weather10°C (50°F)46 mm (1.8 inches)77%moderate
March Weather12°C (53°F)57 mm (2.2 inches)73%moderate
April Weather14°C (58°F)78 mm (3.1 inches)73%high
May Weather18°C (65°F)51 mm (2.0 inches)71%very high
June Weather23°C (73°F)36 mm (1.4 inches)67%very high
July Weather25°C (78°F)23 mm (0.9 inches)66%very high
August Weather25°C (78°F)28 mm (1.1 inches)63%very high
September Weather21°C (71°F)49 mm (1.9 inches)70%high
October Weather17°C (63°F)93 mm (3.7 inches)80%moderate
November Weather12°C (54°F)64 mm (2.5 inches)84%moderate
December Weather9°C (49°F)41 mm (1.6 inches)83%low

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