April Weather in Barstow, United States

Last updated: June 24, 2025

In April, the average temperature in Barstow, United States is a pleasant 18°C (65°F). Expect a minimum of 3°C (38°F) and a maximum reaching up to 35°C (96°F). During this time, precipitation is minimal, with 11 mm (0.4 in) expected over just 1 day. With an average humidity of 57%, it's a comfortable month to explore!

April Temperature in Barstow

In April in Barstow, the average temperature is 18°C (65°F). Maximum temperatures can reach 35°C (96°F), while minimum temperatures can drop as low as 3°C (38°F). Overall, it's a month that offers a diverse range of temperatures, making it ideal for travelers who enjoy both warm and cooler weather.

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

The chart illustrates April 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, April typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around 3°C (38°F).

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

April Precipitation in Barstow

In Barstow in April, the precipitation amount is 11 mm (0.4 in) over the course of one day.

April Precipitation Trends in Barstow

The chart displays monthly precipitation patterns in Barstow, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Barstow, April typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 1 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Barstow

In Barstow in April, humidity is 57%. With an average temperature of 18°C (65°F), this humidity feels like a refreshing yet slightly sticky embrace, making it perfect for outdoor excursions but requiring a bit of extra care to stay comfortable while exploring.

April Average Humidity in Barstow

This chart illustrates the average monthly humidity levels in Barstow, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Barstow is approximately 57%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Barstow

In Barstow in April, 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 Barstow.

Maximum UV Index Levels in Barstow for April

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

Data source: Barstow April 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 April 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 April’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 April’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