May weather forecast
Castle Dale, UT

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Weather in May

May, the last month of the spring in Castle Dale, is a refreshing month, with an average temperature fluctuating between 63.9°F (17.7°C) and 44.6°F (7°C).

Temperature

As April transitions into May, Castle Dale sees a rise in the average high-temperature, moving from a cool 53.6°F (12°C) to an enjoyable 63.9°F (17.7°C). During May, the average low-temperature in Castle Dale is a chilly 44.6°F (7°C).

Humidity

In Castle Dale, the average relative humidity in May is 39%.

Rainfall

In May, the rain falls for 9.2 days. Throughout May, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 93.6 rainfall days, and 9.33" (237mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Castle Dale. During 0.3 snowfall days, in May, Castle Dale aggregates 0.08" (2mm) of snow. In Castle Dale, Utah, during the entire year, snow falls for 37.2 days and aggregates up to 19.65" (499mm) of snow.

Daylight

In Castle Dale, the average length of the day in May is 14h and 20min.
On the first day of May in Castle Dale, sunrise is at 6:24 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:44 pm MDT.

Sunshine

In Castle Dale, the average sunshine in May is 11.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the usual temperature for Castle Dale in May?

The average high-temperature and low-temperature in Castle Dale, Utah, during May are 63.9°F (17.7°C) and 44.6°F (7°C) respectively.

What is the average humidity in May in Castle Dale?

The average relative humidity in May in Castle Dale is 39%.

How many days does it rain in May in Castle Dale?

In Castle Dale, in May, it is raining for 9.2 days, with typically 0.75" (19mm) of accumulated precipitation.

What is the last month it snows in Castle Dale?

May is the last month it regularly snows in Castle Dale, Utah. During 0.3 snowfall days, in May, Castle Dale aggregates 0.08" (2mm) of snow.

How many hours of daylight does Castle Dale have in May?

In Castle Dale, Utah, the average day length in May is 14h and 20min.

When are sunrise and sunset in May in Castle Dale?

In May, on the first day of the month, sunrise is at 6:24 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:44 pm MDT.

How many hours of sunshine does Castle Dale have in May?

In May, the average sunshine duration in Castle Dale, Utah, is 11.2h.

What is the UV index intensity in May in Castle Dale?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Castle Dale, UT

Average temperature in May - Castle Dale, UT
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in May: 44.6°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in May
Castle Dale, UT

Average pressure in May - Castle Dale, UT
  • Average pressure in May: 29.86"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in May
Castle Dale, UT

Average wind speed in May - Castle Dale, UT
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

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Average humidity in May
Castle Dale, UT

Average humidity in May - Castle Dale, UT
  • Average humidity in May: 39%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (28%).

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Average rainfall in May
Castle Dale, UT

Average rainfall in May - Castle Dale, UT
  • Average rainfall in May: 0.75"

The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are January, June and November (0.51").

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Average rainfall days in May
Castle Dale, UT

Average rainfall days in May - Castle Dale, UT
  • Average rainfall days in May: 9.2 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in May
Castle Dale, UT

Average snowfall in May - Castle Dale, UT
  • Average snowfall in May: 0.08"

The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Castle Dale, UT

Average snowfall days in May - Castle Dale, UT
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Castle Dale, UT

Average daylight in May / Average sunshine in May - Castle Dale, UT
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

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Average sunshine days in May
Castle Dale, UT

Average sunshine days in May - Castle Dale, UT
  • Average sunshine days in May: 18.8 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (12.4 days).

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Average UV index in May
Castle Dale, UT

Average UV index in May - Castle Dale, UT
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Castle Dale, UT

Average cloud cover in May - Castle Dale, UT
  • Average cloud cover in May: 20

The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 11).

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Average visibility in May
Castle Dale, UT

Average visibility in May - Castle Dale, UT
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Castle Dale, Utah, USA

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