Sundance, Utah climate: Normal weather by month, frost dates and records
Sundance's normal year runs from 19°F December nights to 81°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.1°C, December lows of −7°C, July highs of 27°C.
- NOAA stationSundance
- Station IDUSC00428465
- Location40.39°N 111.58°W
- Elevation6,620 ft (2,018 m)
- Population (census place)76
On October 23, the normal high in Sundance is 50°F and the normal low 34°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Sundance.
- Jan 32° 19°
- Feb 33° 20°
- Mar 42° 26°
- Apr 49° 32°
- May 62° 40°
- Jun 73° 49°
- Jul 81° 58°
- Aug 80° 56°
- Sep 68° 47°
- Oct 53° 36°
- Nov 40° 27°
- Dec 31° 19°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Sundance each month?
July is the warmest month, with normal highs of 81°F; December the coldest, with normal lows of 19°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 32°F | 19°F | 25.3°F | – | <1 | 30 | 9 h 40 min |
| February | 33°F | 20°F | 26.9°F | – | <1 | 27 | 10 h 40 min |
| March | 42°F | 26°F | 34.1°F | – | <1 | 25 | 11 h 50 min |
| April | 49°F | 32°F | 40.6°F | – | <1 | 16 | 13 h 10 min |
| May | 62°F | 40°F | 51.0°F | – | <1 | 6 | 14 h 20 min |
| June | 73°F | 49°F | 61.2°F | – | <1 | <1 | 15 h |
| July | 81°F | 58°F | 69.2°F | – | 2 | <1 | 14 h 50 min |
| August | 80°F | 56°F | 68.0°F | – | <1 | <1 | 13 h 50 min |
| September | 68°F | 47°F | 57.2°F | – | <1 | 2 | 12 h 30 min |
| October | 53°F | 36°F | 44.4°F | – | <1 | 9 | 11 h 10 min |
| November | 40°F | 27°F | 33.4°F | – | <1 | 22 | 10 h |
| December | 31°F | 19°F | 24.8°F | – | <1 | 30 | 9 h 20 min |
| Year (annual) | 54°F | 36°F | 44.7°F | – | 2 | 168 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 0°C | −7°C | −3.7°C |
| February | 1°C | −6°C | −2.8°C |
| March | 5°C | −3°C | 1.2°C |
| April | 10°C | 0°C | 4.8°C |
| May | 17°C | 5°C | 10.6°C |
| June | 23°C | 10°C | 16.2°C |
| July | 27°C | 14°C | 20.7°C |
| August | 26°C | 14°C | 20.0°C |
| September | 20°C | 8°C | 14.0°C |
| October | 12°C | 2°C | 6.9°C |
| November | 5°C | −3°C | 0.8°C |
| December | −1°C | −7°C | −4.0°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Deer Creek Dam (3 miles away), gets 74 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00428465; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Sundance?
Normal highs sit between 65°F and 85°F in June, July, August and September.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00428465.
When is the last frost in Sundance?
In Sundance, the last spring frost (32°F) comes after May 17 in half of years and after June 8 in one year in ten; the first autumn frost comes before October 5 in half of years and before September 22 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 171 year in 10 after June 8; 9 in 10 after May 1
- First autumn frost, half of years before
- October 51 year in 10 before September 22; 9 in 10 before October 19
NOAA puts the median frost-free season at 138 days, and the season without a hard freeze (28°F) at 164 days.
A hard freeze (28°F) comes after May 2 in half of springs and before October 17 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Sundance in zone 7a in ZIP code 84062, the nearest ZIP area.
Frost dates for every NOAA station in Utah · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00428465; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Sundance?
In a normal year in Sundance, 2 days a year reach 90°F and 168 nights fall to 32°F or colder.
- Days at 90°F or more
- 2a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 168a normal year
- Days that stay below freezing
- 56high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00428465.
How sunny is Sundance?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Sundance, 4.8 kWh per square metre a day. July is the sunniest month (88%) and December the cloudiest (67%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 71% | 2.3 |
| February | 72% | 3.2 |
| March | 75% | 4.5 |
| April | 74% | 5.6 |
| May | 77% | 6.6 |
| June | 86% | 7.8 |
| July | 88% | 7.5 |
| August | 86% | 6.6 |
| September | 85% | 5.4 |
| October | 80% | 3.8 |
| November | 72% | 2.5 |
| December | 67% | 1.9 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Sundance need?
A normal year in Sundance brings 7,704 heating degree days, 43% more than the median U.S. place (5,373), and 320 cooling degree days, 65% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,934 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,229 | 0 |
| February | 1,067 | 0 |
| March | 958 | 0 |
| April | 733 | 0 |
| May | 440 | 5 |
| June | 151 | 39 |
| July | 17 | 147 |
| August | 25 | 116 |
| September | 248 | 14 |
| October | 639 | 0 |
| November | 950 | 0 |
| December | 1,247 | 0 |
| Year (annual) | 7,704 | 320 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00428465. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Sundance's climate compare?
Sundance is warmer than 13 of the other 96 places with their own NOAA record in Utah. Across the 7,247 U.S. stations with normals, its annual mean of 44.7°F is warmer than 18%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Questions about Sundance's climate
What is the coldest month in Sundance?
December, with a normal high of 31°F and a normal low of 19°F. The warmest is July (81°F by day, 58°F at night).
Does it snow in Sundance?
Yes. NOAA publishes no 1991-2020 snowfall normal for Sundance's NOAA station; the nearest record that keeps one, Deer Creek Dam (3 miles away), records 74 inches of snow in a normal year.
What plant hardiness zone is Sundance in?
The USDA's 2023 map puts Sundance in zone 7a in ZIP code 84062, the nearest ZIP area.
How late can frost come in Sundance?
In half of years the last 32°F night comes after May 17; in one year in ten it comes after June 8. Waiting until June 8 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Utah climateThe statewide normals and every place in the state
- Deer Creek Dam, UT2 miles from this station, 45.2°F a year
- Timpanogos Cave, UT8 miles from this station, 49.0°F a year
- Pleasant Grove, UT9 miles from this station, 54.4°F a year
- Heber, UT11 miles from this station, 46.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made