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May Weather in Castle Dale, United States

Last updated: June 24, 2025

In May, the average temperature in Castle Dale, United States is a mild 13°C (56°F). You can expect temperatures to fluctuate, with a minimum of -6°C (22°F) and a maximum reaching 30°C (87°F). During this month, precipitation averages 31 mm (1.2 in) over 6 days, contributing to an average humidity of 54%. Pack accordingly to enjoy your time!

May Temperature in Castle Dale

In May in Castle Dale, the average temperature is 13°C (56°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as -6°C (22°F). This wide temperature range suggests that travelers should pack accordingly for varying weather conditions.

May Weather in Castle Dale: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castle Dale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castle Dale, May typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (87°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec232737465569757363463725
Data source: Temperature data for Castle Dale 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 Castle Dale

In Castle Dale in May, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.

May Precipitation Trends in Castle Dale

The chart displays monthly precipitation patterns in Castle Dale, 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 Castle Dale, May typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec293138193111232121302026
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castle Dale

In Castle Dale in May, humidity is 54%. With an average temperature of 13°C (56°F), this humidity feels like a refreshing coolness that can be invigorating for traveling, allowing for comfortable exploration without the discomfort of excessive heat.

May Average Humidity in Castle Dale

This chart illustrates the average monthly humidity levels in Castle Dale, 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 Castle Dale 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 Castle Dale

In Castle Dale 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 Castle Dale.

Maximum UV Index Levels in Castle Dale for May

The chart shows the monthly maximum UV Index (UVI) for Castle Dale 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 Castle Dale typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Castle Dale 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 Castle Dale Compares to Other Months

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

This table compares monthly weather conditions in Castle Dale, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)29 mm (1.2 inches)87%moderate
February Weather-3°C (27°F)31 mm (1.2 inches)88%high
March Weather3°C (38°F)38 mm (1.5 inches)77%very high
April Weather8°C (46°F)19 mm (0.7 inches)69%very high
May Weather13°C (56°F)31 mm (1.2 inches)54%extreme
June Weather21°C (69°F)11 mm (0.4 inches)45%extreme
July Weather24°C (76°F)23 mm (0.9 inches)37%extreme
August Weather23°C (73°F)21 mm (0.8 inches)34%extreme
September Weather17°C (64°F)21 mm (0.8 inches)47%very high
October Weather8°C (46°F)30 mm (1.2 inches)67%high
November Weather3°C (37°F)20 mm (0.8 inches)82%moderate
December Weather-4°C (25°F)26 mm (1.0 inches)87%moderate

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