Cold steppe climate
Climate Grantsville - Utah
Annual high63ºF
Annual low39ºF
Precipitation12.46 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 36 | 19 | 0.66 | 6 |
| Feb | 42 | 22 | 0.97 | 7 |
| Mar | 53 | 30 | 1.18 | 3 |
| Apr | 60 | 36 | 1.52 | 1 |
| May | 71 | 45 | 1.57 | 0 |
| Jun | 82 | 54 | 0.75 | 0 |
| Jul | 92 | 63 | 0.79 | 0 |
| Aug | 90 | 62 | 0.82 | 0 |
| Sep | 78 | 50 | 1.01 | 0 |
| Oct | 64 | 38 | 1.18 | 0 |
| Nov | 49 | 28 | 1.07 | 5 |
| Dec | 38 | 19 | 0.94 | 8 |
- JanHigh 36ºFLow 19ºFPrecip 0.66 inch
- FebHigh 42ºFLow 22ºFPrecip 0.97 inch
- MarHigh 53ºFLow 30ºFPrecip 1.18 inch
- AprHigh 60ºFLow 36ºFPrecip 1.52 inch
- MayHigh 71ºFLow 45ºFPrecip 1.57 inch
- JunHigh 82ºFLow 54ºFPrecip 0.75 inch
- JulHigh 92ºFLow 63ºFPrecip 0.79 inch
- AugHigh 90ºFLow 62ºFPrecip 0.82 inch
- SepHigh 78ºFLow 50ºFPrecip 1.01 inch
- OctHigh 64ºFLow 38ºFPrecip 1.18 inch
- NovHigh 49ºFLow 28ºFPrecip 1.07 inch
- DecHigh 38ºFLow 19ºFPrecip 0.94 inch
Climate summary
What is the average weather in Grantsville, Utah?
Grantsville experiences a cold semi-arid climate, marked by very strong seasonal temperature contrasts. Summers are hot, while winters are cold and bring significant snowfall. The area is dry overall, with low annual precipitation that is generally low, occasionally arriving in brief showers. Spring is typically the wettest season.
Grantsville weather averages
Annual high63ºF
Annual low39ºF
Precipitation12.46 inch
Snowfall30 inch
Daily normals Grantsville - Utah - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 36.5 | 18.6 | 0.03 | 0.03 | 0.30 | 0.30 |
| Jan 2 | 36.5 | 18.6 | 0.06 | 0.06 | 0.50 | 0.50 |
| Jan 3 | 36.5 | 18.7 | 0.08 | 0.08 | 0.80 | 0.80 |
| Jan 4 | 36.5 | 18.7 | 0.11 | 0.11 | 1.00 | 1.00 |
| Jan 5 | 36.5 | 18.7 | 0.14 | 0.14 | 1.30 | 1.30 |
| Jan 6 | 36.5 | 18.7 | 0.16 | 0.16 | 1.50 | 1.50 |
| Jan 7 | 36.5 | 18.7 | 0.19 | 0.19 | 1.80 | 1.80 |
| Jan 8 | 36.6 | 18.8 | 0.22 | 0.22 | 2.00 | 2.00 |
| Jan 9 | 36.6 | 18.8 | 0.24 | 0.24 | 2.20 | 2.20 |
| Jan 10 | 36.6 | 18.8 | 0.27 | 0.27 | 2.50 | 2.50 |
| Jan 11 | 36.6 | 18.9 | 0.29 | 0.29 | 2.70 | 2.70 |
| Jan 12 | 36.7 | 18.9 | 0.32 | 0.32 | 3.00 | 3.00 |
| Jan 13 | 36.7 | 18.9 | 0.35 | 0.35 | 3.20 | 3.20 |
| Jan 14 | 36.8 | 19.0 | 0.37 | 0.37 | 3.40 | 3.40 |
| Jan 15 | 36.8 | 19.0 | 0.40 | 0.40 | 3.70 | 3.70 |
| Jan 16 | 36.9 | 19.1 | 0.43 | 0.43 | 3.90 | 3.90 |
| Jan 17 | 36.9 | 19.1 | 0.45 | 0.45 | 4.10 | 4.10 |
| Jan 18 | 37.0 | 19.2 | 0.48 | 0.48 | 4.40 | 4.40 |
| Jan 19 | 37.1 | 19.2 | 0.50 | 0.50 | 4.60 | 4.60 |
| Jan 20 | 37.1 | 19.3 | 0.53 | 0.53 | 4.80 | 4.80 |
| Jan 21 | 37.2 | 19.4 | 0.55 | 0.55 | 5.00 | 5.00 |
| Jan 22 | 37.3 | 19.4 | 0.58 | 0.58 | 5.30 | 5.30 |
| Jan 23 | 37.4 | 19.5 | 0.60 | 0.60 | 5.50 | 5.50 |
| Jan 24 | 37.5 | 19.6 | 0.63 | 0.63 | 5.70 | 5.70 |
| Jan 25 | 37.7 | 19.7 | 0.65 | 0.65 | 5.90 | 5.90 |
| Jan 26 | 37.8 | 19.7 | 0.68 | 0.68 | 6.10 | 6.10 |
| Jan 27 | 37.9 | 19.8 | 0.70 | 0.70 | 6.30 | 6.30 |
| Jan 28 | 38.1 | 19.9 | 0.73 | 0.73 | 6.50 | 6.50 |
| Jan 29 | 38.2 | 20.0 | 0.76 | 0.76 | 6.80 | 6.80 |
| Jan 30 | 38.4 | 20.2 | 0.78 | 0.78 | 7.00 | 7.00 |
| Jan 31 | 38.6 | 20.3 | 0.81 | 0.81 | 7.20 | 7.20 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Grantsville - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 82.0 | 57.0 | 0.03 |
| Sep 2 | 84.0 | 60.1 | 0.00 |
| Sep 3 | 87.1 | 51.1 | 0.00 |
| Sep 4 | 86.0 | 50.0 | 0.00 |
| Sep 5 | 89.1 | 64.0 | 0.00 |
| Sep 6 | 89.1 | 64.9 | 0.00 |
| Sep 7 | 86.0 | 57.0 | 0.00 |
| Sep 8 | 75.0 | 52.0 | 0.00 |
| Sep 9 | 80.1 | 53.1 | 0.00 |
| Sep 10 | 82.0 | 51.1 | 0.00 |
| Sep 11 | 88.0 | 53.1 | 0.00 |
| Sep 12 | 91.0 | 55.9 | 0.00 |
| Sep 13 | 88.0 | 59.0 | 0.00 |
| Sep 14 | 91.0 | 52.0 | 0.00 |
| Sep 15 | 70.0 | 46.0 | 0.00 |
| Sep 16 | 75.9 | 46.9 | 0.00 |
| Sep 17 | 88.0 | 60.1 | 0.02 |
| Sep 18 | 88.0 | 62.1 | 0.12 |
| Sep 19 | 79.0 | 48.0 | 0.32 |
| Sep 20 | 70.0 | 46.9 | 0.00 |
| Sep 21 | 72.0 | 46.9 | 0.00 |
| Sep 22 | 75.0 | 46.9 | T |
| Sep 23 | 75.0 | 46.9 | T |
| Sep 24 | 73.9 | 46.0 | 0.00 |
| Sep 25 | 78.1 | 46.9 | 0.00 |
| Sep 26 | 87.1 | 51.1 | 0.00 |
| Sep 27 | 75.9 | 52.0 | 0.00 |
| Sep 28 | 82.9 | 51.1 | 0.25 |
| Sep 29 | 64.0 | 51.1 | 0.00 |
| Sep 30 | 73.0 | 48.0 | 0.00 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature91.0ºF · Sep 12
- Lowest max temperature64.0ºF · Sep 29
- Highest min temperature64.9ºF · Sep 6
- Lowest min temperature46.0ºF · Sep 15
Geo Grantsville - Utah
Location
- Country
- United States
- State
- Utah
- County
- –
- City
- Grantsville
- Zip Code
- 84029
- Elevation
- 4304 ft
- Longitude
- -112.46
- Latitude
- 40.60
- ICAO
- –
- IATA
- –