May weather forecast
American Fork, UT

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Weather in May

In May, American Fork basks in arguably the most pleasant weather conditions of the year. However, it is worth noting that 1.42" (36mm) of rainfall is typically recorded during this month. People can comfortably indulge in outdoor pursuits as the spring weather creates an idyllic ambience with perfect temperatures and ample sunshine. The city’s surroundings are at their most vibrant, blanketed with lush green foliage and colorful blooms. The clear, blue skies combined with light breezes make it a popular period for sightseeing and exploration.

Temperature

American Fork in May sees a temperature change, with average high-temperatures moving from a fresh 51.8°F (11°C) in April to a comfortable 63°F (17.2°C). American Fork documents a substantial shift from daytime warmth, recording an average nighttime temperature of 39.7°F (4.3°C) in May.

Humidity

The average relative humidity in May is 52%.

Rainfall

In American Fork, in May, during 14.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 123.2 rainfall days, and 16.73" (425mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. 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, there are 58.5 snowfall days, and 44.49" (1130mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:25 am and sunset at 8:23 pm. On the last day of May, sunrise is at 5:59 am and sunset at 8:50 pm MDT.

Sunshine

In May, the average sunshine is 11.1h.

UV index

In American Fork, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What are the temperatures in May?

May temperatures vary between a high-temperature of 63°F (17.2°C) and a low-temperature of 39.7°F (4.3°C).

What is the average humidity in May?

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

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

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

What is the last month it snows?

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

What is the average length of the day in May?

In American Fork, the average day length in May is 14h and 26min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:25 am and sunset at 8:23 pm. On the last day of the month, in American Fork, sunrise is at 5:59 am and sunset at 8:50 pm MDT.

How long on average sun shines in May?

The average sunshine duration in May is 11.1h.

What is the UV index reading in May?

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
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).
The 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).

Average pressure in May
American Fork, UT

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

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

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).

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%).

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").

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).
The months with the least rainy days are June and November (7.3 days).

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").
The months with the least snowfall are June, July, August and September (0").

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).
The months with the least snowfall days are June, July, August and September (0 days).

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: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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).

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).

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).

Average visibility in May
American Fork, UT

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

The 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).

American Fork, Utah, USA

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