Grouse Creek, Utah climate: Climate normals at a NOAA weather station
Grouse Creek's normal year runs from 13°F January nights to 88°F July afternoons, with 11.1 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.3°C, January lows of −11°C, July highs of 31°C, 281 mm of precipitation a year.
- NOAA stationGrouse Creek
- Station IDUSC00423486
- Location41.71°N 113.87°W
- Elevation5,320 ft (1,622 m)
On October 23, the normal high in Grouse Creek is 59°F and the normal low 27°F, and the chance of measurable rain or snow is 19%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Grouse Creek.
- Jan 35° 13°
- Feb 40° 16°
- Mar 49° 24°
- Apr 57° 29°
- May 66° 37°
- Jun 77° 44°
- Jul 88° 51°
- Aug 87° 49°
- Sep 77° 41°
- Oct 62° 29°
- Nov 47° 20°
- Dec 35° 13°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Grouse Creek each month?
July is the warmest month, with normal highs of 88°F; January the coldest, with normal lows of 13°F. The most precipitation falls in May (1.50 in), the least in July (0.49 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 35°F | 13°F | 24.0°F | 0.87 | 8 | <1 | 31 | 9 h 30 min |
| February | 40°F | 16°F | 27.7°F | 0.67 | 7 | <1 | 28 | 10 h 30 min |
| March | 49°F | 24°F | 36.3°F | 1.00 | 6 | <1 | 28 | 11 h 50 min |
| April | 57°F | 29°F | 42.8°F | 1.15 | 9 | <1 | 21 | 13 h 20 min |
| May | 66°F | 37°F | 51.4°F | 1.50 | 10 | <1 | 8 | 14 h 30 min |
| June | 77°F | 44°F | 60.5°F | 1.03 | 7 | 2 | 1 | 15 h 10 min |
| July | 88°F | 51°F | 69.6°F | 0.49 | 4 | 14 | <1 | 15 h |
| August | 87°F | 49°F | 68.2°F | 0.92 | 5 | 12 | <1 | 13 h 50 min |
| September | 77°F | 41°F | 58.9°F | 0.89 | 4 | 1 | 4 | 12 h 30 min |
| October | 62°F | 29°F | 45.9°F | 0.72 | 6 | <1 | 21 | 11 h 10 min |
| November | 47°F | 20°F | 33.3°F | 0.79 | 7 | <1 | 28 | 9 h 50 min |
| December | 35°F | 13°F | 24.3°F | 1.03 | 8 | <1 | 31 | 9 h 10 min |
| Year (annual) | 60°F | 30°F | 45.2°F | 11.06 | 81 | 30 | 202 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 2°C | −11°C | −4.4°C | 22 mm |
| February | 4°C | −9°C | −2.4°C | 17 mm |
| March | 10°C | −5°C | 2.4°C | 25 mm |
| April | 14°C | −2°C | 6.0°C | 29 mm |
| May | 19°C | 3°C | 10.8°C | 38 mm |
| June | 25°C | 6°C | 15.8°C | 26 mm |
| July | 31°C | 11°C | 20.9°C | 12 mm |
| August | 31°C | 10°C | 20.1°C | 23 mm |
| September | 25°C | 5°C | 14.9°C | 23 mm |
| October | 17°C | −1°C | 7.7°C | 18 mm |
| November | 8°C | −7°C | 0.7°C | 20 mm |
| December | 2°C | −10°C | −4.3°C | 26 mm |
NOAA publishes no 1991-2020 snowfall normal for this station, and no record within 25 miles keeps one, so snow is left out here rather than estimated.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00423486; 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.
Which months are mildest at Grouse Creek?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, September has the fewest days with rain (4).
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 USC00423486.
When is the last frost at Grouse Creek?
In Grouse Creek, the last spring frost (32°F) comes after June 4 in half of years and after June 22 in one year in ten; the first autumn frost comes before September 17 in half of years and before August 31 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
- June 41 year in 10 after June 22; 9 in 10 after May 17
- First autumn frost, half of years before
- September 171 year in 10 before August 31; 9 in 10 before October 2
NOAA puts the median frost-free season at 104 days, and the season without a hard freeze (28°F) at 133 days.
A hard freeze (28°F) comes after May 17 in half of springs and before September 29 in half of autumns.
Frost dates for every NOAA station in Utah · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00423486. 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 at Grouse Creek?
In a normal year in Grouse Creek, 30 days a year reach 90°F, 202 nights fall to 32°F or colder and 81 days bring measurable precipitation.
- Days at 90°F or more
- 30a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 202a normal year
- Days that stay below freezing
- 28high of 32°F or less
- Days with 0.01 inch of precipitation
- 81a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00423486.
How sunny is it at Grouse Creek?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds at Grouse Creek, 4.4 kWh per square metre a day. August is the sunniest month (83%) and December the cloudiest (63%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 65% | 1.9 |
| February | 69% | 2.9 |
| March | 70% | 4.1 |
| April | 73% | 5.4 |
| May | 74% | 6.2 |
| June | 80% | 7.1 |
| July | 82% | 6.9 |
| August | 83% | 6.2 |
| September | 81% | 5.0 |
| October | 77% | 3.5 |
| November | 72% | 2.3 |
| December | 63% | 1.6 |
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 many heating and cooling degree days does Grouse Creek record?
A normal year at Grouse Creek brings 7,528 heating degree days, 40% more than the median U.S. place (5,373), and 352 cooling degree days, 61% 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 1,982 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,273 | 0 |
| February | 1,043 | 0 |
| March | 888 | 0 |
| April | 667 | 0 |
| May | 422 | 2 |
| June | 172 | 36 |
| July | 24 | 166 |
| August | 32 | 131 |
| September | 200 | 17 |
| October | 594 | 0 |
| November | 950 | 0 |
| December | 1,263 | 0 |
| Year (annual) | 7,528 | 352 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00423486. 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 Grouse Creek's climate compare?
Grouse Creek is warmer than 16 of the 97 places with their own NOAA record in Utah, and wetter than 34. Across the 7,247 U.S. stations with normals, its annual mean of 45.2°F is warmer than 20%.
In the Köppen classification computed from these normals, Grouse Creek is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Grouse Creek's climate
What is the coldest month at Grouse Creek?
January, with a normal high of 35°F and a normal low of 13°F. The warmest is July (88°F by day, 51°F at night).
What is the rainiest month at Grouse Creek?
May, with 1.50 in of precipitation in a normal year; the driest is July with 0.49 in.
How late can frost come at Grouse Creek?
In half of years the last 32°F night comes after June 4; in one year in ten it comes after June 22. Waiting until June 22 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Utah climateThe statewide normals and every place in the state
- Rosette, UT25 miles from this station, 47.0°F a year
- Montello, NV34 miles from this station, 46.1°F a year
- Oakley, ID36 miles from this station, 49.6°F a year
- Jackpot, NV45 miles from this station, 44.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made