Climate and monthly weather forecast
Altamont, UT

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Weather in January

January, the same as December, in Altamont, Utah, is another subzero cold winter month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 11.7°F (-11.3°C). The months of January and December bring the lowest temperatures, averaging a high of 28.9°F (-1.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Altamont, Utah, with an average temperature varying between 14.5°F (-9.7°C) and 30.7°F (-0.7°C). As Altamont welcomes February, the average high-temperature records at a still freezing cold 30.7°F (-0.7°C), marking an insignificant deviation from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Altamont, Utah, with an average temperature ranging between min 23.4°F (-4.8°C) and max 39.9°F (4.4°C). The start of March brings a rise in the average high-temperature, moving from a freezing cold 30.7°F (-0.7°C) in February to an icy 39.9°F (4.4°C). Weather in March »

Weather in April

April is a chilly spring month in Altamont, Utah, with an average temperature ranging between max 48.2°F (9°C) and min 29.8°F (-1.2°C). The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a wintry 39.9°F (4.4°C) to a frosty 48.2°F (9°C). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Altamont, Utah, with an average temperature ranging between max 58.8°F (14.9°C) and min 38.3°F (3.5°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a chilly 48.2°F (9°C) to a refreshing 58.8°F (14.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Altamont, Utah, with an average temperature ranging between max 73.4°F (23°C) and min 48.2°F (9°C). As June arrives, a noticeable rise in the average high-temperature is witnessed, moving from a moderate 58.8°F (14.9°C) in May to a moderately hot 73.4°F (23°C). Weather in June »

Weather in July

July, like June, in Altamont, Utah, is another warm summer month, with an average temperature ranging between min 55.4°F (13°C) and max 79.5°F (26.4°C). July, with its high-temperature average of 79.5°F (26.4°C) and a low-temperature average of 55.4°F (13°C), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Altamont, Utah, with an average temperature ranging between max 76.6°F (24.8°C) and min 53.6°F (12°C). Altamont's entry into August measures an average high-temperature of a still moderately hot 76.6°F (24.8°C), closely parallel to the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Altamont, Utah, with an average temperature fluctuating between 68.9°F (20.5°C) and 46.6°F (8.1°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 76.6°F (24.8°C) to an agreeable 68.9°F (20.5°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Altamont, Utah, with an average temperature varying between 34.7°F (1.5°C) and 54°F (12.2°C). Altamont experiences a clear temperature downturn in October, with average high-temperatures moving from an agreeable 68.9°F (20.5°C) in September to a cool 54°F (12.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Altamont, Utah, with an average temperature ranging between max 41.4°F (5.2°C) and min 23.9°F (-4.5°C). The arrival of November signals a shift in temperature, down from a cool 54°F (12.2°C) in October to a cold 41.4°F (5.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Altamont, Utah, with temperature in the range of an average low of 12.9°F (-10.6°C) and an average high of 28.9°F (-1.7°C). The coldest period falls in January and December, when the average high-temperature reaches 28.9°F (-1.7°C). Weather in December »
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Altamont's temperatures tend to hit their minimum during January and December, with an average high-temperature of 28.9°F (-1.7°C).

What is the most humid month?

With an average relative humidity of 82%, January is the most humid month.

How many days does it rain?

Throughout the year, there are 124.1 rainfall days, and 12.87" (327mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, October through December.

How much does it snow?

Throughout the year, there are 55.2 snowfall days, and 33.5" (851mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 6.4h of sunshine.

What is the month with the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 11.8 days and accumulates 7.24" (184mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 13.5 days and typically aggregates up to 1.65" (42mm) of precipitation.

What is the least humid month?

With an average relative humidity of 36%, June is the least humid month.

When it does not snow?

In Altamont, snow does not fall in June through September.

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What month has the most sunshine in Altamont?

With an average of 11.9h of sunshine, June has the most sunshine of the year.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What time of the year is the hottest?

Altamont experiences its highest temperatures in July, with an average peak of 79.5°F (26.4°C) and a low of 55.4°F (13°C).

What is the driest month?

November is the month with the least rainfall. Rain falls for 6.2 days and accumulates 0.71" (18mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Altamont, UT

Average temperature - Altamont, UT

The warmest month (with the highest average high temperature) is July (79.5°F).
The months with the lowest average high temperature are January and December (28.9°F).

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure
Altamont, UT

Average pressure - Altamont, 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).

Average wind speed
Altamont, UT

Average wind speed - Altamont, UT

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity
Altamont, UT

Average humidity - Altamont, UT

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (36%).

Average rainfall
Altamont, UT

Average rainfall - Altamont, UT

The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days
Altamont, UT

Average rainfall days - Altamont, UT

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (6.2 days).

Average snowfall
Altamont, UT

Average snowfall - Altamont, UT

The month with the highest snowfall is February (7.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Altamont, UT

Average snowfall days - Altamont, UT

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Altamont, UT

Average daylight / Average sunshine - Altamont, UT

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 24min).

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).

Average sunshine days
Altamont, UT

Average sunshine days - Altamont, UT

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is April (12.4 days).

Average UV index
Altamont, UT

Average UV index - Altamont, UT

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average visibility
Altamont, UT

Average visibility - Altamont, UT

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

Altamont, Utah, USA

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