May Weather in Crescent City, United States

Last updated: June 24, 2025

In Crescent City, United States, the average temperature in May hovers around 18°C (64°F). However, be prepared for a range, as the minimum can drop to -2°C (29°F) while the mercury can soar to 35°C (95°F). Expect 153 mm (6.0 in) of precipitation spread over about 15 days, contributing to an average humidity level of 79%. Plan your visit accordingly!

May Temperature in Crescent City

In May in Crescent City, the average temperature is 18°C (64°F). Maximums can reach 35°C (95°F), while minimums can drop as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures, so it's advisable to pack both light clothing and warmer layers.

May Weather in Crescent City: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Crescent City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crescent City, May typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec283041516474777469564135
Data source: Temperature data for Crescent City 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 Crescent City

In Crescent City in May, the precipitation amount is 153 mm (6.0 in) over the course of 15 days.

May Precipitation Trends in Crescent City

The chart displays monthly precipitation patterns in Crescent City, 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 Crescent City, May typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec717410611715311191101791267056
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Crescent City

In Crescent City in May, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

May Average Humidity in Crescent City

This chart illustrates the average monthly humidity levels in Crescent City, 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 Crescent City is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Crescent City

In Crescent City 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 Crescent City.

Maximum UV Index Levels in Crescent City for May

The chart shows the monthly maximum UV Index (UVI) for Crescent City 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 Crescent City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Crescent City 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 Crescent City Compares to Other Months

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

This table compares monthly weather conditions in Crescent City, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)71 mm (2.8 inches)82%moderate
February Weather-1°C (30°F)74 mm (2.9 inches)83%moderate
March Weather5°C (42°F)106 mm (4.2 inches)84%high
April Weather11°C (51°F)117 mm (4.6 inches)85%very high
May Weather18°C (64°F)153 mm (6.0 inches)79%very high
June Weather23°C (74°F)111 mm (4.4 inches)82%very high
July Weather25°C (77°F)91 mm (3.6 inches)80%very high
August Weather23°C (74°F)101 mm (4.0 inches)81%very high
September Weather21°C (70°F)79 mm (3.1 inches)80%very high
October Weather14°C (57°F)125 mm (4.9 inches)82%high
November Weather5°C (41°F)70 mm (2.7 inches)88%moderate
December Weather1°C (35°F)56 mm (2.2 inches)84%low

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