May Weather in Crestline, United States

Last updated: June 24, 2025

In May, the average temperature in Crestline, United States hovers around 17°C (64°F), with fluctuations that can range from a cool 3°C (37°F) to a warm 34°C (94°F). Expect light rain, totaling around 13 mm (0.5 in) over 3 days. The air is relatively dry, with an average humidity of 45%, making it a pleasant time to explore the area!

May Temperature in Crestline

In May in Crestline, the average temperature is 17°C (64°F). Maximums can reach 34°C (94°F), and minimums can dip as low as 3°C (37°F). This range makes it an ideal time for travelers who enjoy mild to warm weather while exploring the area.

May Weather in Crestline: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Crestline, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crestline, May typically has an average temperature of 17°C (64°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (37°F).

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

May Precipitation in Crestline

In Crestline in May, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

May Precipitation Trends in Crestline

The chart displays monthly precipitation patterns in Crestline, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Crestline, May typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Crestline

In Crestline in May humidity is 45%. With an average temperature of 17°C (64°F), this humidity feels like a comfortable embrace, making it ideal for exploring the sights without feeling too hot or sticky while traveling.

May Average Humidity in Crestline

This chart illustrates the average monthly humidity levels in Crestline, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Crestline is approximately 45%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Crestline

In Crestline in May, 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 Crestline.

Maximum UV Index Levels in Crestline for May

The chart shows the monthly maximum UV Index (UVI) for Crestline in May, 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 May, the maximum UV index in Crestline typically reaches 11, which falls under the extreme exposure category.

Data source: Crestline May 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 May Weather in Crestline Compares to Other Months

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

This table compares monthly weather conditions in Crestline, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	51 mm (2.0 inches)	76%	moderate
February Weather	9°C (49°F)	56 mm (2.2 inches)	80%	high
March Weather	11°C (52°F)	52 mm (2.1 inches)	69%	very high
April Weather	15°C (60°F)	24 mm (0.9 inches)	57%	extreme
May Weather	17°C (64°F)	13 mm (0.5 inches)	45%	extreme
June Weather	23°C (73°F)	4 mm (0.1 inches)	34%	extreme
July Weather	26°C (79°F)	12 mm (0.5 inches)	29%	extreme
August Weather	26°C (79°F)	11 mm (0.4 inches)	28%	extreme
September Weather	23°C (74°F)	9 mm (0.4 inches)	41%	very high
October Weather	18°C (65°F)	8 mm (0.3 inches)	54%	very high
November Weather	14°C (57°F)	19 mm (0.8 inches)	68%	moderate
December Weather	9°C (49°F)	56 mm (2.2 inches)	75%	moderate