June Weather in Fallbrook, United States

Last updated: June 24, 2025

In June, the average temperature in Fallbrook, United States hovers around 21°C (70°F), providing a pleasant climate for outdoor activities. Expect minimum temperatures dipping to 12°C (53°F) and reaching a balmy maximum of 36°C (98°F). With only 3 mm (0.1 in) of precipitation spread across 0 days, the average humidity sits comfortably at 48%, making it an ideal time to explore the region.

June Temperature in Fallbrook

In June in Fallbrook, the average temperature is 21°C (70°F). The maximum can reach 36°C (98°F), and the minimum can be as low as 12°C (53°F). This makes it an ideal time for travelers to enjoy a warm climate while still being able to experience cooler evenings.

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

The chart illustrates June temperature patterns in Fallbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fallbrook, June typically has an average temperature of 21°C (70°F), with highs reaching up to 36°C (98°F) and lows dropping to around 12°C (53°F).

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

June Precipitation in Fallbrook

In Fallbrook in June, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

June Precipitation Trends in Fallbrook

The chart displays monthly precipitation patterns in Fallbrook, 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 Fallbrook, June typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Fallbrook

In Fallbrook in June humidity is 48%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant and mild embrace, making it comfortable for traveling and exploring the area.

June Average Humidity in Fallbrook

This chart illustrates the average monthly humidity levels in Fallbrook, 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 Fallbrook is approximately 48%, 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 Fallbrook

In Fallbrook in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Fallbrook.

Maximum UV Index Levels in Fallbrook for June

The chart shows the monthly maximum UV Index (UVI) for Fallbrook 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 Fallbrook typically reaches 12, which falls under the extreme exposure category.

Data source: Fallbrook 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 Fallbrook Compares to Other Months

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

This table compares monthly weather conditions in Fallbrook, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	66 mm (2.6 inches)	72%	moderate
February Weather	13°C (55°F)	64 mm (2.5 inches)	77%	high
March Weather	14°C (57°F)	67 mm (2.6 inches)	67%	very high
April Weather	17°C (62°F)	31 mm (1.2 inches)	56%	very high
May Weather	18°C (64°F)	19 mm (0.8 inches)	46%	extreme
June Weather	21°C (70°F)	3 mm (0.1 inches)	48%	extreme
July Weather	25°C (77°F)	4 mm (0.2 inches)	46%	extreme
August Weather	25°C (77°F)	3 mm (0.1 inches)	42%	extreme
September Weather	24°C (75°F)	4 mm (0.2 inches)	52%	very high
October Weather	20°C (69°F)	11 mm (0.4 inches)	58%	high
November Weather	17°C (62°F)	28 mm (1.1 inches)	66%	moderate
December Weather	13°C (55°F)	66 mm (2.6 inches)	74%	moderate