Alton, UT

Climate overview — based on NOAA 1991-2020 normals from ALTON, UT US.

Dsb Mediterranean continental (warm summer) climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Alton has an annual average temperature of 47.3°F with about 17.3 inches of precipitation per year and 77.5 inches of snow. The warmest month is July (average high 85.3°F), and the coldest is December (average low 17.8°F). February is typically the wettest month (2.07 in) and June the driest (0.41 in). Snow typically falls from January through December.

Annual swing
38.8°F
warmest to coldest month
Heating need
6,516
Cooling need
144

Best time to visit Alton

Full guide →

Climate change signal

All-time records →

86 of 366 (23.5%) of Alton's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1910s
6
1920s
8
1930s
8
1940s
11
1950s
50
1960s
37
1970s
21
1980s
38
1990s
21
2000s
64
2010s
53
2020s
49

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 41.3°F 17.9°F 29.6°F 2.03 in 17.8 in 6
February 43.4°F 19.4°F 31.4°F 2.07 in 18.7 in 7
March 51.5°F 24.4°F 38.0°F 1.51 in 12.6 in 6
April 60.0°F 29.0°F 44.5°F 0.82 in 5.2 in 5
May 69.4°F 35.2°F 52.3°F 0.87 in 0.3 in 5
June 80.5°F 43.0°F 61.7°F 0.41 in 0.4 in 2
July 85.3°F 51.2°F 68.2°F 1.17 in 7
August 83.1°F 50.1°F 66.6°F 1.87 in 8
September 75.9°F 42.9°F 59.4°F 1.70 in 6
October 64.1°F 33.5°F 48.8°F 1.80 in 2.0 in 5
November 51.2°F 24.3°F 37.7°F 1.22 in 6.4 in 4
December 41.0°F 17.8°F 29.4°F 1.83 in 14.1 in 6

Climate twins of Alton

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

Compare Alton to another city