June Weather in Barstow, United States

Last updated: June 24, 2025

In June, the average temperature in Barstow, United States typically hovers around 28°C (83°F). However, temperatures can vary significantly, with a minimum of 10°C (51°F) and soaring to a maximum of 44°C (111°F). Rainfall is rare, with only 1 mm (0.0 in) of precipitation expected over 0 days. The average humidity settles at a comfortable 34%, making it an ideal time to enjoy the outdoors!

June Temperature in Barstow

In June in Barstow, the average temperature is 28°C (83°F). Maximums can reach 44°C (111°F), and minimums can be as low as 10°C (51°F). Be prepared for a mix of hot days and cooler nights, making it essential to pack accordingly for your travels.

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

The chart illustrates June temperature patterns in Barstow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barstow, June typically has an average temperature of 28°C (83°F), with highs reaching up to 44°C (111°F) and lows dropping to around 10°C (51°F).

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

June Precipitation in Barstow

In Barstow in June, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

June Precipitation Trends in Barstow

The chart displays monthly precipitation patterns in Barstow, 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 Barstow, June typically receives around 1 mm (0.0 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 Barstow

In Barstow in June humidity is 34%. With an average temperature of 28°C (83°F), this humidity feels like a refreshing embrace, perfect for exploring the sights and enjoying outdoor activities without feeling overly sticky or uncomfortable.

June Average Humidity in Barstow

This chart illustrates the average monthly humidity levels in Barstow, 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 Barstow is approximately 34%, 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 Barstow

In Barstow 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 Barstow.

Maximum UV Index Levels in Barstow for June

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

Data source: Barstow 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 Barstow Compares to Other Months

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

This table compares monthly weather conditions in Barstow, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	22 mm (0.9 inches)	76%	moderate
February Weather	11°C (51°F)	13 mm (0.5 inches)	80%	high
March Weather	14°C (57°F)	17 mm (0.7 inches)	69%	very high
April Weather	18°C (65°F)	11 mm (0.4 inches)	57%	very high
May Weather	22°C (71°F)	3 mm (0.1 inches)	45%	extreme
June Weather	28°C (83°F)	1 mm (0.0 inches)	34%	extreme
July Weather	31°C (89°F)	3 mm (0.1 inches)	29%	extreme
August Weather	31°C (88°F)	1 mm (0.0 inches)	28%	extreme
September Weather	27°C (80°F)	1 mm (0.0 inches)	41%	very high
October Weather	19°C (67°F)	2 mm (0.1 inches)	54%	very high
November Weather	14°C (57°F)	6 mm (0.2 inches)	68%	moderate
December Weather	8°C (47°F)	19 mm (0.7 inches)	75%	moderate