May weather forecast and climate
American Fork, UT

Weather in May

The last month of the spring, May, is a comfortable month in American Fork, Utah, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 63°F (17.2°C).

Temperature

In May, the average high-temperature rises, from a cool 51.8°F (11°C) in April, to an enjoyable 63°F (17.2°C). The average low-temperature, in American Fork, is 39.7°F (4.3°C).

Humidity

In May, the average relative humidity in American Fork, Utah, is 52%.

Rainfall

In American Fork, during 14.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In American Fork, during the entire year, the rain falls for 123.2 days and collects up to 16.73" (425mm) of precipitation.

Snowfall

Months with snowfall in American Fork are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, American Fork aggregates 0.12" (3mm) of snow. Throughout the year, in American Fork, Utah, there are 58.5 snowfall days, and 44.49" (1130mm) of snow is accumulated.

Daylight

The average length of the day in American Fork is 14.4h.

Sunshine

The average sunshine is 11.1h.

UV index

In American Fork, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in American Fork?

In May, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 39.7°F (4.3°C).

What is the average humidity in May in American Fork?

The average relative humidity in May in American Fork is 52%.

How many days does it rain in May in American Fork?

In American Fork, Utah, in May, during 14.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the last month it snows in American Fork?

May is the last month it regularly snows in American Fork. During 0.3 snowfall days, in May, American Fork aggregates 0.12" (3mm) of snow.

How many hours of daylight does American Fork have in May?

In May, the average length of the day in American Fork, Utah, is 14.4h.

How many hours of sunshine does American Fork have in May?

In American Fork, the average sunshine in May is 11.1h.

How high is the UV index in May in American Fork?

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in May
American Fork, UT

Average temperature in May - American Fork, UT
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (85.3°F).
Months with the lowest average high temperature are January and December (32.4°F).

  • Average low temperature in May: 39.7°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in May
American Fork, UT

Average pressure in May - American Fork, UT
  • Average pressure in May: 29.89"

The month with the highest atmospheric pressure is January (30.27").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in May
American Fork, UT

Average wind speed in May - American Fork, UT
  • Average wind speed in May: 5.4mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

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Average humidity in May
American Fork, UT

Average humidity in May - American Fork, UT
  • Average humidity in May: 52%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is July (38%).

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Average rainfall in May
American Fork, UT

Average rainfall in May - American Fork, UT
  • Average rainfall in May: 1.42"

The wettest months (with the highest rainfall) are April and December (1.93").
The driest month (with the least rainfall) is June (0.75").

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Average rainfall days in May
American Fork, UT

Average rainfall days in May - American Fork, UT
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is May (14.3 days).
Months with the least rainy days are June and November (7.3 days).

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Average snowfall in May
American Fork, UT

Average snowfall in May - American Fork, UT
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (11.06").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
American Fork, UT

Average snowfall days in May - American Fork, UT
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is December (13 days).
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
American Fork, UT

Average daylight in May / Average sunshine in May - American Fork, UT
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 11.1h

The month with the most sunshine is August (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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Average sunshine days in May
American Fork, UT

Average sunshine days in May - American Fork, UT
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (11.4 days).

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Average UV index in May
American Fork, UT

Average UV index in May - American Fork, UT
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
American Fork, UT

Average cloud cover in May - American Fork, UT
  • Average cloud cover in May: 22

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in May
American Fork, UT

Average visibility in May - American Fork, UT
  • Average visibility in May: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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