June Weather in Walnut, United States

Last updated: June 24, 2025

In June, the average temperature in Walnut, United States is a pleasant 26°C (78°F), with temperatures ranging from a cool 12°C (54°F) to a warm 35°C (96°F). Expect 112 mm (4.4 in) of precipitation over approximately 12 days, contributing to an average humidity of 83%. Perfect for those who enjoy a vibrant, lush atmosphere!

June Temperature in Walnut

In June in Walnut, the average temperature is 26°C (78°F), with maximums reaching 35°C (96°F) and minimums dropping as low as 12°C (54°F). This pleasant climate makes Walnut an ideal destination for travelers seeking both warmth and variety in their outdoor activities.

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 26°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (54°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 112 mm (4.4 in), falling over the course 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 112 mm (4.4 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 83%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket wrapping around you, making travel a sticky affair as sweat lingers on your skin and every step requires extra effort.

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 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 Walnut

In Walnut 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 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 11, which falls under the extreme 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	6°C (43°F)	107 mm (4.2 inches)	86%	moderate
February Weather	8°C (47°F)	176 mm (6.9 inches)	85%	high
March Weather	13°C (55°F)	157 mm (6.2 inches)	84%	very high
April Weather	16°C (61°F)	148 mm (5.8 inches)	81%	very high
May Weather	22°C (71°F)	109 mm (4.3 inches)	83%	extreme
June Weather	26°C (78°F)	112 mm (4.4 inches)	83%	extreme
July Weather	27°C (81°F)	131 mm (5.2 inches)	80%	extreme
August Weather	26°C (79°F)	116 mm (4.6 inches)	73%	very high
September Weather	24°C (76°F)	122 mm (4.8 inches)	70%	very high
October Weather	18°C (65°F)	113 mm (4.4 inches)	73%	high
November Weather	10°C (50°F)	79 mm (3.1 inches)	85%	moderate
December Weather	8°C (47°F)	147 mm (5.8 inches)	88%	moderate