June Weather in Fairfield, United States

Last updated: June 24, 2025

In June, the average temperature in Fairfield, United States hovers around 25°C (77°F). Expect a minimum of 11°C (52°F) and a maximum that can soar to 36°C (98°F). The area receives about 114 mm (4.5 in) of precipitation over 11 days, accompanied by a high average humidity level of 83%.

June Temperature in Fairfield

In June in Fairfield, the average temperature is 25°C (77°F). Maximum temperatures can reach 36°C (98°F), while minimums can dip as low as 11°C (52°F). Overall, it is a great time to visit Fairfield for warm weather adventures while being prepared for cooler evenings.

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 25°C (77°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (52°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 114 mm (4.5 in) spread over 11 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 114 mm (4.5 inches) of precipitation spread over approximately 11 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 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

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 83%, 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	1°C (34°F)	92 mm (3.6 inches)	84%	moderate
February Weather	3°C (37°F)	106 mm (4.2 inches)	82%	moderate
March Weather	9°C (48°F)	135 mm (5.3 inches)	84%	high
April Weather	13°C (56°F)	116 mm (4.6 inches)	83%	very high
May Weather	20°C (69°F)	138 mm (5.4 inches)	80%	extreme
June Weather	25°C (77°F)	114 mm (4.5 inches)	83%	extreme
July Weather	27°C (80°F)	88 mm (3.5 inches)	82%	very high
August Weather	25°C (77°F)	88 mm (3.5 inches)	82%	very high
September Weather	23°C (73°F)	69 mm (2.7 inches)	79%	very high
October Weather	16°C (61°F)	107 mm (4.2 inches)	79%	high
November Weather	7°C (45°F)	99 mm (3.9 inches)	88%	moderate
December Weather	4°C (40°F)	92 mm (3.6 inches)	87%	moderate