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United StatesThe climate of Alta
The current climate in Alta features temperatures ranging from a high of 34°C to a low of 4°C throughout the year. The average yearly temperature is around 19°C. At night, temperatures in the colder months average around -4°C and in the warmer months around 20°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Alta, Utah.
Temperature records
The highest temperature recorded in Alta in recent years was 40°C in July 2023. The lowest daytime temperature recorded was -10°C in January 2017.
Precipitation and snowfall
On average, Alta gets 399 mm of precipitation each year. Of this, about 859 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Alta?
The best time to visit Alta for sunny weather is May through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Alta. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Alta
The climate table of Alta shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 4 | 7 | 13 | 17 | 22 | 30 | 34 | 32 | 27 | 19 | 11 | 4 |
| Temp. min (°C) | -4 | -2 | 3 | 6 | 11 | 16 | 21 | 19 | 14 | 7 | 1 | -3 |
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| Precipitation (mm) | 33 | 22 | 47 | 60 | 61 | 15 | 23 | 31 | 26 | 27 | 23 | 31 |
| Snow (cm) | 241 | 220 | 93 | 55 | 1,8 | 0 | 0 | 0 | 0 | 12 | 66 | 169 |
| UV Index | 3 | 4 | 5 | 7 | 8 | 10 | 8 | 8 | 7 | 5 | 4 | 4 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Alta, Utah. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Alta
Yearly Temperature in Alta
Precipitation charts
These charts show the average amount of precipitation in Alta, Utah. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Alta
Total Yearly Precipitation in Alta
Average Snowfall per Month in Alta
Total Yearly Snowfall in Alta
UV index chart
This chart shows the average UV index per month in Alta, Utah. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Alta
Weather experiences in Alta
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Average weather in Alta by month
Click on a month below to see detailed weather info for Alta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.