Climate and monthly weather forecast
American Fork, UT

Weather in January

January, like December, in American Fork, Utah, is a wintry winter month, with an average temperature ranging between min 15.8°F (-9°C) and max 32.4°F (0.2°C). The coldest months are January and December, with an average high-temperature of 32.4°F (0.2°C). Weather in January »

Weather in February

February, the last month of the winter in American Fork, is also a wintry month, with an average temperature fluctuating between 20.3°F (-6.5°C) and 35.6°F (2°C). In American Fork, the average high-temperature in February is essentially the same as in January - a still cold 35.6°F (2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in American Fork, Utah, with an average temperature varying between 44.6°F (7°C) and 27.5°F (-2.5°C). In American Fork, the average high-temperature in March rises from a wintry 35.6°F (2°C) in February to a chilly 44.6°F (7°C). Weather in March »

Weather in April

April is a fresh spring month in American Fork, Utah, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 32.5°F (0.3°C). In April, the average high-temperature slightly increases from a chilly 44.6°F (7°C) in March to a fresh 51.8°F (11°C). Weather in April »

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 high of 63°F (17.2°C) and an average low of 39.7°F (4.3°C). In American Fork, Utah, the average high-temperature in May increases from a fresh 51.8°F (11°C) in April to an enjoyable 63°F (17.2°C). Weather in May »

Weather in June

June, the first month of the summer in American Fork, is a warm month, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 76.6°F (24.8°C). In June, the average high-temperature rises from an enjoyable 63°F (17.2°C) in May to a moderately hot 76.6°F (24.8°C). Weather in June »

Weather in July

July, like June, in American Fork, Utah, is a moderately hot summer month, with an average temperature varying between 85.3°F (29.6°C) and 58.1°F (14.5°C). With an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 58.1°F (14.5°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in American Fork, is also a moderately hot month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 57°F (13.9°C). In American Fork, the average high-temperature in August is almost the same as in July - a still warm 82.9°F (28.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in American Fork, Utah, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 48.9°F (9.4°C). In American Fork, the average high-temperature in September marginally drops from a warm 82.9°F (28.3°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »

Weather in October

October, the same as September, in American Fork, Utah, is a moderate autumn month, with an average temperature fluctuating between 38.1°F (3.4°C) and 57.6°F (14.2°C). In October, the average high-temperature significantly decreases from a moderately hot 74.1°F (23.4°C) in September to a mild 57.6°F (14.2°C). Weather in October »

Weather in November

November, the last month of the autumn in American Fork, is another chilly month, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 44.6°F (7°C). In November, the average high-temperature decreases from a moderate 57.6°F (14.2°C) in October to a chilly 44.6°F (7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in American Fork, Utah, with an average temperature varying between 32.4°F (0.2°C) and 17.2°F (-8.2°C). The coldest months are January and December, with an average high-temperature of 32.4°F (0.2°C). Weather in December »
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FAQ

What are the coldest months in American Fork?

January and December, with an average high-temperature of 32.4°F (0.2°C), are the coldest months.

What is the most humid month in American Fork?

The most humid month in American Fork is January, with an average relative humidity of 86%.

How many days does it rain in American Fork?

Throughout the year, in American Fork, Utah, there are 123.2 rainfall days, and 16.73" (425mm) of precipitation is accumulated.

When does it snow in American Fork?

Months with snowfall in American Fork, Utah, are January through May, October through December.

When does it snow the most in American Fork?

The month with the most snowfall in American Fork, Utah, is January, when snow falls for 12.7 days and typically aggregates up to 11.06" (281mm) of snow.

How many days does it snow in American Fork?

In American Fork, during the entire year, snow falls for 58.5 days and aggregates up to 44.49" (1130mm) of snow.

What is the month with the least sunshine in American Fork?

January has the least sunshine of the year in American Fork, with an average of 5.4h of sunshine.

When is Daylight Saving Time (DST) in American Fork?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in American Fork, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from MDT to MST.

What is the wettest month in American Fork?

The wettest months are April and December, with an average 1.93" (49mm) of rainfall.

What is the driest month in American Fork?

June is the month with the least rainfall in American Fork. Rain falls for 7.3 days and accumulates 0.75" (19mm) of precipitation.

When it does not snow in American Fork?

June through September are months without snowfall.

When are the longest days in American Fork?

June has the longest days of the year, with an average of 15h and 1min of daylight.

What is the warmest month in American Fork?

With an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 58.1°F (14.5°C), July is the warmest month in American Fork.

What is the least humid month in American Fork?

With an average relative humidity of 38%, July is the least humid month in American Fork.

What is the month with the highest UV index in American Fork?

July is the month with the highest UV index, with an average maximum UV index of 6.

What month has the most sunshine in American Fork?

With an average of 11.9h of sunshine, August has the most sunshine of the year in American Fork.

What is the month with the shortest days in American Fork?

The month with the shortest days in American Fork is December, with an average of 9h and 21min of daylight.

What is the month with the lowest UV index in American Fork?

December is the month with the lowest UV index in American Fork, with an average maximum UV index of 1.

Average temperature
American Fork, UT

Average temperature - American Fork, UT

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).

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
American Fork, UT

Average pressure - American Fork, UT

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

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Average wind speed
American Fork, UT

Average wind speed - American Fork, UT

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 rainfall
American Fork, UT

Average rainfall - American Fork, UT

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
American Fork, UT

Average rainfall days - American Fork, UT

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).

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Average snowfall
American Fork, UT

Average snowfall - American Fork, UT

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

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Average snowfall days
American Fork, UT

Average snowfall days - American Fork, UT

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).

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Average daylight / Average sunshine
American Fork, UT

Average daylight / Average sunshine - American Fork, UT

The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 21min).

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).

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Average sunshine days
American Fork, UT

Average sunshine days - American Fork, UT

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 visibility
American Fork, UT

Average visibility - American Fork, UT

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).

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