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May Weather in Clifton, United States

Last updated: June 24, 2025

In May, the average temperature in Clifton, United States hovers around 17°C (63°F). Weather can be unpredictable, with minimum temperatures dropping to -1°C (30°F) and maximums soaring to 35°C (95°F). Be prepared for some wet days, as the area experiences about 162 mm (6.4 in) of precipitation over 16 days. Plus, with an average humidity of 79%, it’s a month filled with various weather experiences!

May Temperature in Clifton

In May in Clifton, the average temperature is 17°C (63°F). Maximum temperatures can reach as high as 35°C (95°F), while minimums can drop to -1°C (30°F). This variation in temperatures means travelers should pack accordingly for a range of weather conditions.

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

The chart illustrates May temperature patterns in Clifton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clifton, May typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec272941506373767469564034
Data source: Temperature data for Clifton 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 Clifton

In Clifton in May, the precipitation amount is 162 mm (6.4 in) spread over 16 days.

May Precipitation Trends in Clifton

The chart displays monthly precipitation patterns in Clifton, 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 Clifton, May typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6872971201621159292761316258
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Clifton

In Clifton in May, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.

May Average Humidity in Clifton

This chart illustrates the average monthly humidity levels in Clifton, 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 Clifton 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 Clifton

In Clifton 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 Clifton.

Maximum UV Index Levels in Clifton for May

The chart shows the monthly maximum UV Index (UVI) for Clifton 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 Clifton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Clifton 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 Clifton Compares to Other Months

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

This table compares monthly weather conditions in Clifton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)68 mm (2.7 inches)82%moderate
February Weather-2°C (29°F)72 mm (2.8 inches)83%moderate
March Weather5°C (41°F)97 mm (3.8 inches)84%high
April Weather10°C (51°F)120 mm (4.7 inches)85%very high
May Weather17°C (63°F)162 mm (6.4 inches)79%very high
June Weather23°C (74°F)115 mm (4.5 inches)82%very high
July Weather25°C (76°F)92 mm (3.6 inches)80%very high
August Weather23°C (74°F)92 mm (3.6 inches)81%very high
September Weather21°C (69°F)76 mm (3.0 inches)80%very high
October Weather13°C (56°F)131 mm (5.2 inches)82%high
November Weather5°C (41°F)62 mm (2.4 inches)88%moderate
December Weather1°C (35°F)58 mm (2.3 inches)84%low

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