June Weather in Fairfield, United States

Last updated: June 24, 2025

In Fairfield, United States, the average temperature during June hovers around 24°C (75°F). Expect a comfortable range with minimums dipping to 9°C (49°F) and maximums soaring to 38°C (100°F). During this month, precipitation averages 133 mm (5.2 in) over approximately 10 days, contributing to an average humidity of 81%. Be prepared for a mix of warmth and moisture!

June Temperature in Fairfield

In June, in Fairfield, the average temperature is 24°C (75°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop as low as 9°C (49°F). Be prepared for a comfortable climate with warm days and cooler nights, making it an ideal time for outdoor adventures.

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 24°C (75°F), with highs reaching up to 38°C (100°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Fairfield generated using information from the Copernicus Climate Change Service.

June Precipitation in Fairfield

In Fairfield in June, the total precipitation amount is 133 mm (5.2 in) spread over a period of 10 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 133 mm (5.2 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Fairfield

In Fairfield in June humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	52 mm (2.0 inches)	81%	moderate
February Weather	-3°C (27°F)	55 mm (2.2 inches)	81%	moderate
March Weather	5°C (42°F)	91 mm (3.6 inches)	81%	high
April Weather	10°C (51°F)	83 mm (3.3 inches)	82%	very high
May Weather	18°C (64°F)	160 mm (6.3 inches)	78%	very high
June Weather	24°C (75°F)	133 mm (5.2 inches)	81%	extreme
July Weather	25°C (78°F)	70 mm (2.8 inches)	79%	very high
August Weather	24°C (75°F)	73 mm (2.9 inches)	77%	very high
September Weather	21°C (69°F)	121 mm (4.8 inches)	78%	very high
October Weather	12°C (54°F)	124 mm (4.9 inches)	78%	high
November Weather	4°C (40°F)	52 mm (2.0 inches)	87%	moderate
December Weather	0°C (33°F)	43 mm (1.7 inches)	84%	moderate