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May Weather in Fillmore, United States

Last updated: June 24, 2025

In Fillmore, United States, the average temperature for May hovers around 14°C (57°F). During this time, temperatures can dip as low as -4°C (26°F) or soar to a maximum of 31°C (88°F). Expect a fair amount of rainfall, with 117 mm (4.6 in) falling over about 15 days. This month also brings high humidity, averaging around 82%, making it a time of notable weather contrasts.

May Temperature in Fillmore

In May in Fillmore, the average temperature is 14°C (57°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -4°C (26°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates May temperature patterns in Fillmore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fillmore, May typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (88°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733445765706862523730
Data source: Temperature data for Fillmore 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 Fillmore

In Fillmore in May, the total precipitation amount is 117 mm (4.6 in), occurring over the course of 15 days.

May Precipitation Trends in Fillmore

The chart displays monthly precipitation patterns in Fillmore, 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 Fillmore, May typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec81907911211710013395751349294
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fillmore

In Fillmore in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Fillmore

This chart illustrates the average monthly humidity levels in Fillmore, 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 Fillmore is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Fillmore

In Fillmore 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 Fillmore.

Maximum UV Index Levels in Fillmore for May

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

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

This table compares monthly weather conditions in Fillmore, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)80 mm (3.2 inches)91%moderate
February Weather-3°C (27°F)90 mm (3.6 inches)91%moderate
March Weather1°C (34°F)79 mm (3.1 inches)88%high
April Weather7°C (44°F)112 mm (4.4 inches)88%very high
May Weather14°C (57°F)117 mm (4.6 inches)82%very high
June Weather18°C (65°F)100 mm (3.9 inches)79%very high
July Weather21°C (70°F)133 mm (5.2 inches)77%very high
August Weather20°C (68°F)95 mm (3.8 inches)72%very high
September Weather17°C (62°F)75 mm (2.9 inches)76%very high
October Weather11°C (52°F)134 mm (5.3 inches)83%high
November Weather3°C (37°F)91 mm (3.6 inches)88%moderate
December Weather-1°C (30°F)94 mm (3.7 inches)87%low

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