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May Weather in Chapman, United States

Last updated: June 24, 2025

In May, the average temperature in Chapman, United States is a mild 19°C (66°F), with a wide range that can dip to a chilly 3°C (38°F) and soar up to a sizzling 36°C (98°F). Expect around 187 mm (7.4 in) of precipitation spread over 14 days, contributing to a relatively high average humidity of 82%. Whether you're seeking a warm escape or a refreshing climate, this region offers a dynamic weather experience!

May Temperature in Chapman

In May in Chapman, the average temperature is 19°C (66°F). Maximum temperatures can reach 36°C (98°F), while minimums can drop as low as 3°C (38°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates May temperature patterns in Chapman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chapman, May typically has an average temperature of 19°C (66°F), with highs reaching up to 36°C (98°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec323346556679817873574437
Data source: Temperature data for Chapman 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 Chapman

In Chapman in May, the total precipitation amount is 187 mm (7.4 in) over the course of 14 days.

May Precipitation Trends in Chapman

The chart displays monthly precipitation patterns in Chapman, 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 Chapman, May typically receives around 187 mm (7.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec30287769187758411664923226
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chapman

In Chapman in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

May Average Humidity in Chapman

This chart illustrates the average monthly humidity levels in Chapman, 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 Chapman is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chapman

In Chapman 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 Chapman.

Maximum UV Index Levels in Chapman for May

The chart shows the monthly maximum UV Index (UVI) for Chapman 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 Chapman typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Chapman 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 Chapman Compares to Other Months

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

This table compares monthly weather conditions in Chapman, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)30 mm (1.2 inches)76%moderate
February Weather0°C (33°F)28 mm (1.1 inches)77%moderate
March Weather8°C (47°F)77 mm (3.0 inches)70%high
April Weather13°C (55°F)69 mm (2.7 inches)73%very high
May Weather19°C (66°F)187 mm (7.4 inches)82%very high
June Weather26°C (79°F)75 mm (2.9 inches)82%extreme
July Weather27°C (82°F)84 mm (3.3 inches)81%extreme
August Weather25°C (78°F)116 mm (4.6 inches)78%very high
September Weather23°C (73°F)64 mm (2.5 inches)71%very high
October Weather14°C (57°F)92 mm (3.6 inches)71%high
November Weather7°C (45°F)32 mm (1.2 inches)81%moderate
December Weather3°C (37°F)26 mm (1.0 inches)84%moderate

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