Alta, UT

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

Dfb Warm-summer humid continental climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

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

Climate summary

Alta has an annual average temperature of 39.1°F with about 47.1 inches of precipitation per year and 458.3 inches of snow. The warmest month is July (average high 72.9°F), and the coldest is December (average low 14.5°F). January is typically the wettest month (6.37 in) and July the driest (1.48 in). Snow typically falls from January through December.

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
39.3°F
warmest to coldest month
Heating need
9,315
Cooling need
0

Best time to visit Alta

Full guide →

Climate change signal

All-time records →

68 of 366 (18.6%) of Alta'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.

1900s
7
1940s
34
1950s
33
1960s
19
1970s
49
1980s
42
1990s
41
2000s
54
2010s
39
2020s
48

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 30.7°F 15.0°F 22.9°F 6.37 in 74.7 in 14
February 30.7°F 15.4°F 23.0°F 5.40 in 81.2 in 14
March 36.8°F 20.2°F 28.5°F 6.17 in 71.4 in 13
April 42.3°F 24.8°F 33.6°F 4.78 in 50.0 in 12
May 52.6°F 33.4°F 43.0°F 3.47 in 15.9 in 11
June 64.4°F 42.2°F 53.3°F 1.96 in 4.4 in 6
July 72.9°F 50.3°F 61.6°F 1.48 in 7
August 71.3°F 49.1°F 60.2°F 2.07 in 9
September 62.2°F 41.1°F 51.7°F 2.58 in 2.6 in 9
October 49.5°F 31.0°F 40.3°F 3.50 in 24.4 in 10
November 37.4°F 20.7°F 29.1°F 4.17 in 53.9 in 11
December 30.2°F 14.5°F 22.3°F 5.13 in 79.8 in 15

Climate twins of Alta

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

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