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May Weather in Fillmore, United States

Last updated: June 24, 2025

In May, the average temperature in Fillmore, United States is a mild 14°C (57°F), making it an inviting time to visit. However, be prepared for a temperature range that can dip as low as -7°C (19°F) and soar up to a balmy 33°C (92°F). Expect moderate precipitation with about 45 mm (1.8 in) of rain spread across 8 days, and enjoy the pleasant average humidity of 54%.

May Temperature in Fillmore

In May in Fillmore, the average temperature is 14°C (57°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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 33°C (92°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec262937475771787666483927
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 precipitation amount is 45 mm (1.8 in) over the course of 8 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 45 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec44536348457131617413143
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 54%. With an average temperature of 14°C (57°F), this humidity feels like a mild embrace, making it comfortable for traveling with just a light jacket at hand.

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 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%77%70%54%45%37%34%47%67%82%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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110753
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 (26°F)44 mm (1.7 inches)87%moderate
February Weather-2°C (29°F)53 mm (2.1 inches)88%high
March Weather3°C (38°F)63 mm (2.5 inches)77%very high
April Weather8°C (47°F)48 mm (1.9 inches)69%very high
May Weather14°C (57°F)45 mm (1.8 inches)54%extreme
June Weather22°C (71°F)7 mm (0.3 inches)45%extreme
July Weather26°C (78°F)13 mm (0.5 inches)37%extreme
August Weather24°C (76°F)16 mm (0.6 inches)34%extreme
September Weather19°C (66°F)17 mm (0.7 inches)47%very high
October Weather9°C (48°F)41 mm (1.6 inches)67%high
November Weather4°C (40°F)31 mm (1.2 inches)82%moderate
December Weather-3°C (27°F)43 mm (1.7 inches)87%moderate

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