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May Weather in Valley, United States

Last updated: June 24, 2025

In May, the average temperature in Valley, United States is a pleasant 22°C (73°F). However, you can expect a range, with a minimum of 8°C (47°F) and a scorching maximum of 35°C (94°F). Prepare for 123 mm (4.8 in) of precipitation over approximately 10 days, and stay cool with an average humidity of 81%.

May Temperature in Valley

In May in Valley, the average temperature is 22°C (73°F). The maximum can reach 35°C (94°F) and the minimum can be as low as 8°C (47°F). This makes it a great time for travelers to enjoy a variety of activities, from sightseeing to outdoor adventures, while being prepared for both warm daytime weather and cooler evenings.

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

The chart illustrates May temperature patterns in Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valley, May typically has an average temperature of 22°C (73°F), with highs reaching up to 35°C (94°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec485459647278807977685551
Data source: Temperature data for Valley 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 Valley

In Valley in May, the total precipitation amount is 123 mm (4.8 in) over the course of 10 days.

May Precipitation Trends in Valley

The chart displays monthly precipitation patterns in Valley, 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 Valley, May typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec11713010411612312711313410611082144
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Valley

In Valley in May, humidity is 81%. With an average temperature of 22°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities a bit more challenging but also invigorating, as you experience the vibrant atmosphere of the surroundings.

May Average Humidity in Valley

This chart illustrates the average monthly humidity levels in Valley, 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 Valley is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Valley

In Valley 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 Valley.

Maximum UV Index Levels in Valley for May

The chart shows the monthly maximum UV Index (UVI) for Valley 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 Valley typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Valley 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 Valley Compares to Other Months

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

This table compares monthly weather conditions in Valley, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)117 mm (4.6 inches)85%moderate
February Weather12°C (54°F)130 mm (5.1 inches)84%high
March Weather15°C (59°F)104 mm (4.1 inches)82%very high
April Weather18°C (64°F)116 mm (4.6 inches)82%very high
May Weather22°C (73°F)123 mm (4.8 inches)81%extreme
June Weather25°C (78°F)127 mm (5.0 inches)77%extreme
July Weather27°C (80°F)113 mm (4.4 inches)77%extreme
August Weather26°C (80°F)134 mm (5.3 inches)72%extreme
September Weather25°C (77°F)106 mm (4.2 inches)73%very high
October Weather20°C (69°F)110 mm (4.3 inches)73%very high
November Weather13°C (55°F)82 mm (3.2 inches)85%high
December Weather10°C (51°F)144 mm (5.7 inches)88%moderate

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