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June Weather in Fairfield, United States

Last updated: June 24, 2025

In June, the average temperature in Fairfield, United States is a pleasant 18°C (64°F). Expect temperatures to range from a cool 1°C (34°F) to a warm 35°C (95°F). During this month, precipitation averages 17 mm (0.7 in), typically falling over 4 days. With an average humidity of 62%, the climate is generally comfortable, making it an ideal time to explore!

June Temperature in Fairfield

In June in Fairfield, the average temperature is 18°C (64°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 1°C (34°F). This range makes Fairfield an ideal destination for travelers seeking a diverse climate, offering both warm days and cool nights.

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 18°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec242736425264747161453524
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 17 mm (0.7 in) over a span of 4 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 17 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec63755435481741518344848
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 62%. With an average temperature of 18°C (64°F), this humidity feels like a warm yet refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take breaks in the shade.

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 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%85%76%66%62%53%42%46%64%83%87%
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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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 Weather-5°C (24°F)62 mm (2.5 inches)91%moderate
February Weather-3°C (27°F)75 mm (3.0 inches)92%moderate
March Weather2°C (36°F)54 mm (2.1 inches)85%high
April Weather6°C (43°F)35 mm (1.4 inches)76%very high
May Weather11°C (53°F)48 mm (1.9 inches)66%very high
June Weather18°C (64°F)17 mm (0.7 inches)62%extreme
July Weather23°C (74°F)4 mm (0.1 inches)53%extreme
August Weather22°C (71°F)15 mm (0.6 inches)42%very high
September Weather16°C (61°F)18 mm (0.7 inches)46%very high
October Weather7°C (45°F)34 mm (1.3 inches)64%high
November Weather1°C (35°F)48 mm (1.9 inches)83%moderate
December Weather-4°C (24°F)48 mm (1.9 inches)87%moderate

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