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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Summit, Utah, is an icy winter month, with an average temperature varying between 19°F (-7.2°C) and 35.4°F (1.9°C). The months of January and December are noted for their lowest temperatures, with an average high-temperature of 35.4°F (1.9°C). Weather in January »
Weather in February
February, the last month of the winter in Summit, is another cold month, with an average temperature fluctuating between 37.6°F (3.1°C) and 21.6°F (-5.8°C). February reports an average high-temperature of a still cold 37.6°F (3.1°C), slightly varied from January's 35.4°F (1.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Summit, Utah, with an average temperature ranging between max 46°F (7.8°C) and min 28.6°F (-1.9°C). The start of March signals a slight increase in the average high-temperature, moving from an icy 37.6°F (3.1°C) in February to a frosty 46°F (7.8°C). Weather in March »
Weather in April
April is a cool spring month in Summit, Utah, with an average temperature fluctuating between 53.2°F (11.8°C) and 34.3°F (1.3°C). Summit's weather in April presents a minor rise in the average high-temperature, moving from a chilly 46°F (7.8°C) in March to a cool 53.2°F (11.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Summit, Utah, with an average temperature fluctuating between 62.6°F (17°C) and 41.5°F (5.3°C). As Summit enters May, the average high-temperature increases from the a fresh 53.2°F (11.8°C) of April to an enjoyable 62.6°F (17°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Summit, Utah, with an average temperature varying between 51.8°F (11°C) and 76.3°F (24.6°C). June comes with an increase, with the average high-temperature moving from a refreshing 62.6°F (17°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Summit, Utah, is another warm summer month, with an average temperature varying between 80.8°F (27.1°C) and 59°F (15°C). July is the month that records the highest temperatures, with averages ranging from a high of 80.8°F (27.1°C) to a low of 59°F (15°C). Weather in July »
Weather in August
August, the last month of the summer in Summit, is another warm month, with an average temperature varying between 57.4°F (14.1°C) and 79.2°F (26.2°C). As Summit welcomes August, the average high-temperature records at a still warm 79.2°F (26.2°C), marking an insignificant deviation from the prior month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Summit, Utah, with an average temperature ranging between max 72.3°F (22.4°C) and min 50.4°F (10.2°C). Summit's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 79.2°F (26.2°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Summit, Utah, with an average temperature fluctuating between 58.5°F (14.7°C) and 38.3°F (3.5°C). The onset of October introduces a moderate change in Summit's weather, with average high-temperatures falling from September's agreeable 72.3°F (22.4°C) to a moderate 58.5°F (14.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Summit, Utah, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 47.1°F (8.4°C). Welcoming November, Summit observes a shift in the average high-temperature, falling from October's mild 58.5°F (14.7°C) to a frosty 47.1°F (8.4°C). Weather in November »
Weather in December
December, the first month of the winter in Summit, is also a wintry month, with an average temperature fluctuating between 35.4°F (1.9°C) and 18.9°F (-7.3°C). The months of January and December bring the lowest temperatures, averaging a high of 35.4°F (1.9°C). Weather in December »
Updated: Jul 17, 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
What time of the year is the coldest in Summit?
January and December, with an average high-temperature of 35.4°F (1.9°C), are marked as the coldest months.
What is the most humid month?
January is the most humid month, with an average relative humidity of 76%.
How much does it rain?
In Summit, during the entire year, the rain falls for 78.4 days and collects up to 11.61" (295mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, there are 42.2 snowfall days, and 38.31" (973mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
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 least humid month?
June is the least humid month, with an average relative humidity of 27%.
What is the driest month?
June is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.2" (5mm) of precipitation.
When it does not snow?
In Summit, 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 14h and 42min of daylight.
What are the months with the most sunshine?
The months with the most sunshine are June and August, with an average of 11.8h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What are the warmest months?
July temperatures tend to peak at an average high of 80.8°F (27.1°C) and dip to a low of 59°F (15°C).
What is the wettest month in Summit?
The month with the most rainfall is July, when the rain falls for 11.9 days and typically aggregates up to 1.34" (34mm) of precipitation.
When does it snow the most?
December is the month with the most snowfall. Snow falls for 9.8 days and accumulates 8.19" (208mm) of snow.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
What is the month with the least sunshine?
With an average of 6.4h of sunshine, December has the least sunshine of the year.
Average temperature
Summit, UT
The warmest month (with the highest average high temperature) is July (80.8°F).
The months with the lowest average high temperature are January and December (35.4°F).
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure
Summit, UT
- Average pressure in January:
30.22"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.86"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Summit, UT
- Average wind speed in January:
5.4mph - Average wind speed in February:
6.2mph - Average wind speed in March:
7.3mph - Average wind speed in April:
8mph - Average wind speed in May:
7.9mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
6mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.2mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.2mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity
Summit, UT
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (27%).
Average rainfall
Summit, UT
- Average rainfall in January:
0.94" - Average rainfall in February:
1.1" - Average rainfall in March:
1.22" - Average rainfall in April:
0.98" - Average rainfall in May:
0.98" - Average rainfall in June:
0.2"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.02" - Average rainfall in September:
0.71" - Average rainfall in October:
0.87" - Average rainfall in November:
1.02" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days
Summit, UT
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
6.7 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
6.3 days - Average rainfall days in June:
2.7 days
- Average rainfall days in July:
11.9 days - Average rainfall days in August:
9 days - Average rainfall days in September:
7.2 days - Average rainfall days in October:
5.7 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is June (2.7 days).
Average snowfall
Summit, UT
- Average snowfall in January:
5.98" - Average snowfall in February:
7.44" - Average snowfall in March:
6.69" - Average snowfall in April:
2.09" - Average snowfall in May:
1.02" - Average snowfall in June:
0"
The month with the highest snowfall is December (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Summit, UT
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
1.1 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:
0.8 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
9.8 days
The month with the highest number of snowfall days is December (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Summit, UT
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 3min - Average sunshine in February:
8h and 1min - Average sunshine in March:
8h and 4min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 5min - Average sunshine in September:
9h and 5min - Average sunshine in October:
8h and 0min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 2min
The months with the most sunshine are June and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days
Summit, UT
- Average sunshine days in January:
21.5 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
18.9 days - Average sunshine days in April:
19.3 days - Average sunshine days in May:
21.3 days - Average sunshine days in June:
25.8 days
- Average sunshine days in July:
16 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
21 days - Average sunshine days in October:
23.5 days - Average sunshine days in November:
23.1 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (16 days).
Average UV index
Summit, UT
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Summit, UT
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility
Summit, UT
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Summit, Utah, USA
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