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June Weather in Fairfield, United States

Last updated: June 24, 2025

In Fairfield, United States, the average temperature for June hovers around 19°C (66°F), with extremes ranging from a refreshing 5°C (42°F) to a scorching 44°C (111°F). Expect about 24 mm (1.0 in) of precipitation over 5 days, accompanied by an average humidity level of 78%. Perfect for those who enjoy a mix of mild weather and occasional rain!

June Temperature in Fairfield

In June in Fairfield, the average temperature is 19°C (66°F). Maximum temperatures can reach 44°C (111°F), while minimum temperatures can drop as low as 5°C (42°F). It's essential to pack layers to accommodate the wide temperature range when traveling during this month.

June Weather in Fairfield: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Fairfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fairfield, June typically has an average temperature of 19°C (66°F), with highs reaching up to 44°C (111°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec323140475765747362483932
Data source: Temperature data for Fairfield 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 Fairfield

In Fairfield in June, the precipitation amount is 24 mm (1.0 in) spread over the course of 5 days.

June Precipitation Trends in Fairfield

The chart displays monthly precipitation patterns in Fairfield, 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 Fairfield, June typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec7675635753243932618978
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Fairfield

In Fairfield in June, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.

June Average Humidity in Fairfield

This chart illustrates the average monthly humidity levels in Fairfield, 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 Fairfield is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Fairfield

In Fairfield in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Fairfield.

Maximum UV Index Levels in Fairfield for June

The chart shows the monthly maximum UV Index (UVI) for Fairfield 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 Fairfield typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
Data source: Fairfield 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 Fairfield Compares to Other Months

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

This table compares monthly weather conditions in Fairfield, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)76 mm (3.0 inches)89%low
February Weather-1°C (31°F)75 mm (3.0 inches)89%moderate
March Weather4°C (40°F)63 mm (2.5 inches)87%moderate
April Weather8°C (47°F)57 mm (2.2 inches)84%high
May Weather14°C (57°F)53 mm (2.1 inches)77%very high
June Weather19°C (66°F)24 mm (1.0 inches)78%very high
July Weather23°C (74°F)3 mm (0.1 inches)77%very high
August Weather23°C (73°F)9 mm (0.3 inches)64%very high
September Weather17°C (62°F)32 mm (1.2 inches)62%high
October Weather9°C (48°F)61 mm (2.4 inches)79%moderate
November Weather4°C (39°F)89 mm (3.5 inches)87%moderate
December Weather0°C (33°F)78 mm (3.1 inches)90%low

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