Climate and monthly weather forecastGrantsville, UT
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Grantsville, Utah, with an average temperature varying between 21.2°F (-6°C) and 33.4°F (0.8°C). During the coldest month, January, temperatures average a high of 33.4°F (0.8°C) and a low of 21.2°F (-6°C). Weather in January »Weather in February
February, the last month of the winter in Grantsville, is also a wintry month, with an average temperature varying between 25.7°F (-3.5°C) and 37.2°F (2.9°C). February's average high-temperature is a still wintry 37.2°F (2.9°C), maintaining a close comparison with January's 33.4°F (0.8°C). Weather in February »Weather in March
March, the first month of the spring in Grantsville, is a frosty month, with an average temperature varying between 33.1°F (0.6°C) and 47.5°F (8.6°C). The start of March signals an increase in the average high-temperature, moving from an icy 37.2°F (2.9°C) in February to a chilly 47.5°F (8.6°C). Weather in March »Weather in April
April is a cool spring month in Grantsville, Utah, with an average temperature ranging between max 53.8°F (12.1°C) and min 37.9°F (3.3°C). April's onset is marked by a subtle temperature increase, moving from a frosty 47.5°F (8.6°C) in March to a cool 53.8°F (12.1°C). Weather in April »Weather in May
May, the last month of the spring in Grantsville, is a refreshing month, with an average temperature fluctuating between 63.1°F (17.3°C) and 45.1°F (7.3°C). With the onset of May, Grantsville sees a temperature rise, with the average high-temperature moving from April's fresh 53.8°F (12.1°C) to a comfortable 63.1°F (17.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Grantsville, Utah, with an average temperature ranging between min 54.5°F (12.5°C) and max 75.4°F (24.1°C). Entering June, Grantsville sees a temperature rise, with the average high-temperature advancing from May's refreshing 63.1°F (17.3°C) to a warm 75.4°F (24.1°C). Weather in June »Weather in July
July, like June, in Grantsville, Utah, is another warm summer month, with an average temperature varying between 84.2°F (29°C) and 63.5°F (17.5°C). July is the warmest month, with the temperature often reaching an average high of 84.2°F (29°C) and an average low of 63.5°F (17.5°C). Weather in July »Weather in August
August, the last month of the summer in Grantsville, is also a moderately hot month, with an average temperature ranging between max 81.7°F (27.6°C) and min 62.2°F (16.8°C). Grantsville measures an average high-temperature of a still moderately hot 81.7°F (27.6°C) in August, nearly consistent with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Grantsville, is also an agreeable month, with an average temperature fluctuating between 55.4°F (13°C) and 72.7°F (22.6°C). In September, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 81.7°F (27.6°C) in August to an agreeable 72.7°F (22.6°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Grantsville, Utah, with an average temperature varying between 43.2°F (6.2°C) and 57.4°F (14.1°C). October's onset brings a clear reduction in the average high-temperature, falling from an agreeable 72.7°F (22.6°C) in September to a moderate 57.4°F (14.1°C). Weather in October »Weather in November
November, the last month of the autumn in Grantsville, is another chilly month, with an average temperature fluctuating between 32.2°F (0.1°C) and 45.9°F (7.7°C). Grantsville in November demonstrates a small temperature transition, adjusting from an average high of a moderate 57.4°F (14.1°C) in October to a frosty 45.9°F (7.7°C). Weather in November »Weather in December
December, the first month of the winter in Grantsville, is also an icy month, with temperature in the range of an average low of 22.1°F (-5.5°C) and an average high of 33.8°F (1°C). December brings a decrease in the average high-temperature, shifting from a chilly 45.9°F (7.7°C) in November to a wintry 33.8°F (1°C). Weather in December »Updated: Aug 22, 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
The coldest period tends to be January, when average temperatures fluctuate between a high of 33.4°F (0.8°C) and a low of 21.2°F (-6°C).
With an average relative humidity of 83%, January is the most humid month.
Throughout the year, there are 137.7 rainfall days, and 20.98" (533mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 53.4 snowfall days, and 40.28" (1023mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 5.1h of sunshine.
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.
The month with the most rainfall is April, when the rain falls for 16.3 days and typically aggregates up to 2.52" (64mm) of precipitation.
The month with the least rainfall is June, when the rain falls for 9.3 days and typically collects 1.1" (28mm) of precipitation.
June through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 0min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
Grantsville's temperature records reveal July as the warmest month, marked by average highs of 84.2°F (29°C) and lows of 63.5°F (17.5°C).
With an average relative humidity of 36%, July is the least humid month.
The month with the most sunshine is August, with an average of 11.8h of sunshine.
December is the month with the most snowfall. Snow falls for 12.5 days and accumulates 9.69" (246mm) of snow.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Grantsville, UT
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
Grantsville, 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:
29.94"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
Grantsville, UT
- Average wind speed in January:
6mph - Average wind speed in February:
7.4mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.9mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity
Grantsville, UT
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (36%).
Average rainfall
Grantsville, UT
- Average rainfall in January:
1.69" - Average rainfall in February:
1.89" - Average rainfall in March:
2.17" - Average rainfall in April:
2.52" - Average rainfall in May:
2.36" - Average rainfall in June:
1.1"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days
Grantsville, UT
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall
Grantsville, UT
- Average snowfall in January:
9.21" - Average snowfall in February:
8.94" - Average snowfall in March:
5.63" - Average snowfall in April:
2.01" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grantsville, UT
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.2 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:
1.1 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grantsville, 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 6min - Average sunshine in February:
6h and 24min - Average sunshine in March:
7h and 54min - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 48min - Average sunshine in September:
9h and 42min - Average sunshine in October:
7h and 30min - Average sunshine in November:
6h and 30min - Average sunshine in December:
5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Grantsville, UT
- Average sunshine days in January:
14.9 days - Average sunshine days in February:
10.2 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
18 days
- Average sunshine days in July:
15.9 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
13.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index
Grantsville, UT
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Grantsville, UT
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Grantsville, 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).
