Climate and monthly weather forecastUnion, UT
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Union, Utah, with an average temperature varying between 17.4°F (-8.1°C) and 32.5°F (0.3°C). Union notes the coldest temperatures in January, with a high average of 32.5°F (0.3°C) and a low of 17.4°F (-8.1°C). Weather in January »Weather in February
February, the last month of the winter in Union, is also a wintry month, with an average temperature varying between 35.8°F (2.1°C) and 22.5°F (-5.3°C). With the advent of February, Union experiences an average high-temperature of a still cold 35.8°F (2.1°C), mirroring a close resemblance to the previous month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Union, Utah, with an average temperature fluctuating between 29.8°F (-1.2°C) and 44.2°F (6.8°C). The arrival of March brings a soft temperature shift, with the average high-temperature nudging from a cold 35.8°F (2.1°C) in February to a frosty 44.2°F (6.8°C). Weather in March »Weather in April
April in Union, Utah, is a fresh spring month, with an average temperature ranging between min 34.5°F (1.4°C) and max 51.8°F (11°C). As Union welcomes April, the average high-temperature sees a modest rise, transitioning from a chilly 44.2°F (6.8°C) in March to a cool 51.8°F (11°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Union, Utah, with an average temperature fluctuating between 41.5°F (5.3°C) and 63°F (17.2°C). Union in May experiences an increase in the average high-temperature, moving from April's cool 51.8°F (11°C) to a refreshing 63°F (17.2°C). Weather in May »Weather in June
June, the first month of the summer in Union, is a moderately hot month, with an average temperature ranging between min 50.9°F (10.5°C) and max 75.6°F (24.2°C). Entering June, Union sees a temperature rise, with the average high-temperature advancing from May's enjoyable 63°F (17.2°C) to a warm 75.6°F (24.2°C). Weather in June »Weather in July
July, like June, in Union, Utah, is a moderately hot summer month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 60.3°F (15.7°C). During the warmest month, July, temperatures average a high of 84.7°F (29.3°C) and a low of 60.3°F (15.7°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Union, Utah, with an average temperature fluctuating between 59.2°F (15.1°C) and 82°F (27.8°C). With the advent of August, Union's high-temperatures adjust to a still warm 82°F (27.8°C), closely aligning with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Union, Utah, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 73.4°F (23°C). The transition into September subtly indicates a reduction in the average high-temperature, down to a still moderately hot 73.4°F (23°C) from August's 82°F (27.8°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Union, Utah, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 39°F (3.9°C). As September gives way to October, the average high-temperature displays a considerable decrease, falling from a moderately hot 73.4°F (23°C) to a mild 57.2°F (14°C). Weather in October »Weather in November
November, the last month of the autumn in Union, is also a frosty month, with an average temperature ranging between max 45°F (7.2°C) and min 28.8°F (-1.8°C). In Union, the average high-temperature in November decreases from a moderate 57.2°F (14°C) in October to a chilly 45°F (7.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Union, Utah, with an average temperature fluctuating between 32.9°F (0.5°C) and 19°F (-7.2°C). Union in December demonstrates a small temperature transition, adjusting from an average high of a frosty 45°F (7.2°C) in November to a wintry 32.9°F (0.5°C). Weather in December »Updated: Aug 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, with average temperatures reaching a high of 32.5°F (0.3°C) and a low of 17.4°F (-8.1°C), is the coldest month.
With an average relative humidity of 85%, January is the most humid month.
In Union, during the entire year, the rain falls for 110.7 days and collects up to 16.06" (408mm) of precipitation.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 12.1 days and typically aggregates up to 10.71" (272mm) of snow.
In Union, during the entire year, snow falls for 51.1 days and aggregates up to 41.54" (1055mm) of snow.
The month with the least sunshine is January, with an average of 5.4h of sunshine.
March is the month with the most rainfall. Rain falls for 13.2 days and accumulates 1.97" (50mm) of precipitation.
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.
June is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.59" (15mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
Union experiences its average highest temperatures in July, reaching a peak of 84.7°F (29.3°C) and a minimum of 60.3°F (15.7°C).
The least humid month is July, with an average relative humidity of 37%.
The month with the highest UV index is July, with an average maximum UV index of 6.
With an average of 12h of sunshine, August has the most sunshine of the year.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Union, UT
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.5°F).
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Union, UT
- Average pressure in January:
30.27"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.22"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Union, UT
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.9mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.3mph - Average wind speed in May:
5.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.6mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.4mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity
Union, UT
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (37%).
Average rainfall
Union, UT
- Average rainfall in January:
1.89" - Average rainfall in February:
1.93" - Average rainfall in March:
1.97" - Average rainfall in April:
1.89" - Average rainfall in May:
1.14" - Average rainfall in June:
0.59"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.71" - Average rainfall in September:
0.94" - Average rainfall in October:
1.18" - Average rainfall in November:
1.34" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is March (1.97").
The driest month (with the least rainfall) is June (0.59").
Average rainfall days
Union, UT
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
9 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
7.4 days - Average rainfall days in August:
8 days - Average rainfall days in September:
8 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is June (6.3 days).
Average snowfall
Union, UT
- Average snowfall in January:
10.71" - Average snowfall in February:
8.9" - Average snowfall in March:
5.08" - Average snowfall in April:
2.44" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (10.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Union, UT
- Average snowfall days in January:
12.1 days - Average snowfall days in February:
10.1 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
4 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.3 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
11.3 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Union, UT
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 January:
5h and 24min - Average sunshine in February:
6h and 42min - Average sunshine in March:
8h and 6min - Average sunshine in April:
10h and 0min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 0min - Average sunshine in October:
7h and 36min - Average sunshine in November:
6h and 48min - Average sunshine in December:
5h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days
Union, UT
- Average sunshine days in January:
16.1 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
21.4 days
- Average sunshine days in July:
19.1 days - Average sunshine days in August:
18.1 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
20 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
16.1 days
The month with the most sunshine days is June (21.4 days).
The month with the least sunshine days is February (12.9 days).
Average UV index
Union, UT
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
Union, UT
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility
Union, 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).
