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May Weather in Crestline, United States

Last updated: June 24, 2025

In Crestline, United States, the average temperature in May is a comfortable 17°C (62°F). However, temperatures can vary significantly, with minimums dipping to -2°C (28°F) and maximums soaring to 32°C (91°F). During this month, you can expect around 129 mm (5.1 in) of precipitation spread over 15 days, and the average humidity hovers at a notable 81%.

May Temperature in Crestline

In May in Crestline, the average temperature is 17°C (62°F). Maximum temperatures can reach up to 32°C (91°F), while minimums can drop as low as -2°C (28°F). Be sure to pack for a wide range of weather conditions when traveling to Crestline during this month.

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 (62°F), with highs reaching up to 32°C (91°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec293240506270747267564134
Data source: Temperature data for Crestline generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Crestline

In Crestline in May, the precipitation amount is 129 mm (5.1 in) over a span of 15 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 129 mm (5.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec821021031261291461248179999691
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Crestline

In Crestline in May, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)82 mm (3.2 inches)88%moderate
February Weather0°C (32°F)102 mm (4.0 inches)87%moderate
March Weather5°C (40°F)103 mm (4.1 inches)87%high
April Weather10°C (50°F)126 mm (5.0 inches)87%very high
May Weather17°C (62°F)129 mm (5.1 inches)81%very high
June Weather21°C (71°F)146 mm (5.7 inches)82%very high
July Weather23°C (74°F)124 mm (4.9 inches)81%very high
August Weather22°C (72°F)81 mm (3.2 inches)78%very high
September Weather20°C (67°F)79 mm (3.1 inches)78%very high
October Weather14°C (57°F)98 mm (3.9 inches)82%high
November Weather5°C (41°F)96 mm (3.8 inches)89%moderate
December Weather1°C (35°F)91 mm (3.6 inches)86%low

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