Photo: An Errant Knight · CC BY-SA 4.0Summit Park gets about 153 inches of snow a winter, more than all but 52 U.S. towns
A typical July afternoon reaches 79°, a January night drops to 19°, and about 153 inches of snow falls in a normal winter.
A year in Summit Park at a glance
Each month’s typical high and low, and what it brings.
What stands out about Summit Park’s climate
Compared with towns across the U.S., with Summit Park’s place in Utah beside it.
What a year in Summit Park feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 117 frost-free days a year
In half of years the last 32° night comes by May 29 and the first by September 25. Frost and day counts come from NOAA’s station at Park City, UT, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Summit Park’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −12°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 153 inches of snow a winter
Snow, measured at Snyderville, UT, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 30 inches a year; January is the wettest month and July the driest. Rain or snow falls on about 96 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Summit Park
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Park City, UT.
Living with Summit Park’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
117 frost-free days in zone 5b. The last frost comes by May 29 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 25.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 50 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Summit Park from natural hazards, avalanches are the largest share (79%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Summit Park and its neighbors
Silver Summit has the coldest January nights next door (14°, 4° colder) and Silver Summit the hottest July afternoons (84°, 5° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Summit Park’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Summit Park, UT | 19° | 79° | 30" | 153" |
| Truckee, CA | 19° | 82° | 35" | 183" |
| Traverse City, MI | 17° | 79° | 32" | 101" |
| Greece, NY | 19° | 79° | 34" | 102" |
| Black Forest, CO | 16° | 81° | 20" | 121" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Summit Park averaged 1.8° warmer than the 1900s. The biggest change is in March (+3.5°).
A bigger shift than in 78% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Summit Park compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Summit Park’s place among Utah’s.
Summit Park weather by month
Highs, lows and precipitation from NOAA’s grid at Summit Park’s center; snow, wet days and snow on the ground from Snyderville, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 34° | 19° | 3.7" | 34.0" | 12 | 21° – 34° |
| February | 37° | 20° | 3.2" | 25.5" | 10 | 23° – 35° |
| March | 44° | 25° | 3.1" | 20.9" | 9 | 29° – 41° |
| April | 50° | 30° | 3.2" | 15.7" | 10 | 35° – 47° |
| May | 59° | 38° | 2.6" | 3.1" | 10 | 43° – 53° |
| June | 70° | 46° | 1.4" | 0.5" | 6 | 52° – 64° |
| July | 79° | 54° | 0.9" | 0.0" | 5 | 58° – 70° |
| August | 77° | 53° | 1.2" | 0.0" | 6 | 60° – 70° |
| September | 68° | 45° | 1.7" | 0.9" | 5 | 52° – 60° |
| October | 54° | 35° | 2.5" | 5.7" | 7 | 37° – 50° |
| November | 42° | 25° | 3.0" | 15.5" | 8 | 25° – 41° |
| December | 33° | 18° | 3.5" | 31.1" | 9 | 20° – 30° |
| Year | 54° | 34° | 29.9" | 152.9" | 96 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 25° to 41°. September is the most reliable, staying within 8°.
Where Summit Park’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Summit Park’s center.
- Snow: Snyderville, UT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Park City, UT, 7 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Summit Park’s climate
What is the weather like in Summit Park?
A typical July afternoon reaches 79°, a January night drops to 19°, and about 153 inches of snow falls in a normal winter. Colder January nights than 67% of U.S. towns; cooler July afternoons than 95% of U.S. towns.
How cold does it get in Summit Park in winter?
December nights average 18°. About 202 nights a year reach 32° or below and 11 reach 0° or below. In the coldest December of the last 30 years the month averaged 20°.
How much snow does Summit Park get?
About 153 inches in a normal winter at Snyderville, UT, most of it in January and December.
How hot does it get in Summit Park?
July, with a typical high of 79° and a low of 54°. About 5 days a year reach 90° (Park City, UT).
When is the first and last frost in Summit Park?
In half of years the last spring frost (32°) comes by May 29 and the first fall frost by September 25, about 117 frost-free days, at Park City, UT.
What growing zone is Summit Park in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −12°.
What is the best time of year to visit Summit Park?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Summit Park getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 78% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Summit Park.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.