June Weather in Walnut, United States

Last updated: June 24, 2025

In June, the average temperature in Walnut, United States is a comfortable 23°C (73°F). Temperatures can swing from a chilly 9°C (49°F) at night to a warm 34°C (93°F) during the day. Expect about 146 mm (5.7 in) of precipitation over 12 days, and enjoy the lush atmosphere with an average humidity of 82%.

June Temperature in Walnut

In June in Walnut, the average temperature is 23°C (73°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 9°C (49°F). This moderate climate makes Walnut an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates June temperature patterns in Walnut, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walnut, June typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (49°F).

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

June Precipitation in Walnut

In Walnut in June, the total precipitation amount is 146 mm (5.7 in) spread over a duration of 12 days.

June Precipitation Trends in Walnut

The chart displays monthly precipitation patterns in Walnut, 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 Walnut, June typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Walnut

In Walnut in June, humidity is 82%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities feel a bit more strenuous but offering a tropical ambiance perfect for leisurely strolls and relaxed sightseeing.

June Average Humidity in Walnut

This chart illustrates the average monthly humidity levels in Walnut, 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 Walnut is approximately 82%, 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 Walnut

In Walnut in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Walnut.

Maximum UV Index Levels in Walnut for June

The chart shows the monthly maximum UV Index (UVI) for Walnut 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 Walnut typically reaches 10, which falls under the very high exposure category.

Data source: Walnut 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 Walnut Compares to Other Months

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

This table compares monthly weather conditions in Walnut, 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)	58 mm (2.3 inches)	82%	moderate
February Weather	-3°C (27°F)	62 mm (2.5 inches)	83%	moderate
March Weather	4°C (40°F)	94 mm (3.7 inches)	84%	high
April Weather	10°C (49°F)	114 mm (4.5 inches)	85%	very high
May Weather	17°C (62°F)	173 mm (6.8 inches)	79%	very high
June Weather	23°C (73°F)	146 mm (5.7 inches)	82%	very high
July Weather	24°C (76°F)	100 mm (3.9 inches)	80%	very high
August Weather	23°C (74°F)	68 mm (2.7 inches)	81%	very high
September Weather	20°C (69°F)	110 mm (4.3 inches)	80%	very high
October Weather	12°C (55°F)	127 mm (5.0 inches)	82%	high
November Weather	4°C (39°F)	55 mm (2.2 inches)	88%	moderate
December Weather	0°C (33°F)	49 mm (1.9 inches)	84%	low