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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a frosty winter month in Alta, California, with an average temperature varying between 45.7°F (7.6°C) and 30.9°F (-0.6°C). With the arrival of January, Alta's average high-temperature registers at a still chilly 45.7°F (7.6°C), indicating a subtle variation from the previous month. Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Alta, California, with an average temperature varying between 45.5°F (7.5°C) and 29.3°F (-1.5°C). February's average high-temperature is a still chilly 45.5°F (7.5°C), maintaining a close comparison with January's 45.7°F (7.6°C). Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Alta, California, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 47.8°F (8.8°C). The onset of March manifests an average high-temperature of a still frosty 47.8°F (8.8°C), demonstrating a minor variation from the preceding month. Weather in March »
Weather in April
April is a cool spring month in Alta, California, with an average temperature ranging between max 55.2°F (12.9°C) and min 35.4°F (1.9°C). The onset of April marks a slight increase in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in March to a cool 55.2°F (12.9°C). Weather in April »
Weather in May
May, the last month of the spring in Alta, is a comfortable month, with an average temperature fluctuating between 40.6°F (4.8°C) and 63.1°F (17.3°C). As Alta welcomes May, the average high-temperature sees a modest rise, transitioning from a cool 55.2°F (12.9°C) in April to a refreshing 63.1°F (17.3°C). Weather in May »
Weather in June
June, the first month of the summer in Alta, is a warm month, with an average temperature ranging between min 48°F (8.9°C) and max 74.8°F (23.8°C). As June sets, the average high-temperature shows an increase, moving up from a comfortable 63.1°F (17.3°C) in May to a warm 74.8°F (23.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Alta, California, with an average temperature fluctuating between 83.5°F (28.6°C) and 52.9°F (11.6°C). Alta's temperatures peak on average in July, reaching 83.5°F (28.6°C) at their highest and 52.9°F (11.6°C) at their lowest. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Alta, California, with an average temperature ranging between max 82.4°F (28°C) and min 52°F (11.1°C). August brings a marginal elevation to a still warm 82.4°F (28°C) from July's 83.5°F (28.6°C) in Alta's average high-temperatures. Weather in August »
Weather in September
September, the first month of the autumn in Alta, is also a moderately hot month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 76.6°F (24.8°C). A mild drop in Alta's average high-temperature is observed in September, transitioning from 82.4°F (28°C) in August to a still warm 76.6°F (24.8°C). Weather in September »
Weather in October
October, like September, in Alta, California, is another enjoyable autumn month, with an average temperature fluctuating between 64.2°F (17.9°C) and 42.1°F (5.6°C). Arrival of October comes with a reduction in the average high-temperature, falling from a warm 76.6°F (24.8°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Alta, is another cool month, with an average temperature varying between 52.3°F (11.3°C) and 35.1°F (1.7°C). The onset of November introduces a moderate change in Alta's weather, with average high-temperatures falling from October's enjoyable 64.2°F (17.9°C) to a cool 52.3°F (11.3°C). Weather in November »
Weather in December
December, the first month of the winter in Alta, is still a chilly month, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 29.1°F (-1.6°C). With average temperatures fluctuating between a high of 43.7°F (6.5°C) and a low of 29.1°F (-1.6°C), December stands out as the coldest month. Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How many days does it rain?
Throughout the year, there are 72.9 rainfall days, and 36.06" (916mm) of precipitation is accumulated.
When does it snow?
January through June, September through December are months with snowfall.
How many days does it snow?
In Alta, during the entire year, snow falls for 53.3 days and aggregates up to 151.57" (3850mm) of snow.
What is the month with the least sunshine?
With an average of 5.6h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
The months with the lowest UV index in Alta are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
The most humid month is March, with an average relative humidity of 80%.
What is the wettest month?
The month with the most rainfall is March, when the rain falls for 10.8 days and typically aggregates up to 7.09" (180mm) of precipitation.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 11.7 days and typically aggregates up to 37.6" (955mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
When is the highest UV index?
The months with the highest UV index in Alta are June and July, with an average maximum UV index of 6.
What month is the hottest?
July, recording an average high temperature of 83.5°F (28.6°C) and a low temperature of 52.9°F (11.6°C), is Alta's warmest month.
What is the least humid month?
The least humid month is July, with an average relative humidity of 39%.
What is the driest month?
The month with the least rainfall in Alta is July, when the rain falls for 1.8 days and typically collects 0.08" (2mm) of precipitation.
When it does not snow?
July and August are months without snowfall.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What time of the year is the coldest?
Alta experiences its lowest temperatures in December, with an average peak of 43.7°F (6.5°C) and a low of 29.1°F (-1.6°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Alta, CA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure
Alta, CA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Alta, CA
- Average wind speed in January:
6mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.1mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Alta, CA
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall
Alta, CA
- Average rainfall in January:
5.67" - Average rainfall in February:
6.57" - Average rainfall in March:
7.09" - Average rainfall in April:
2.8" - Average rainfall in May:
2.48" - Average rainfall in June:
0.51"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.12" - Average rainfall in September:
0.47" - Average rainfall in October:
1.34" - Average rainfall in November:
3.39" - Average rainfall in December:
5.55"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days
Alta, CA
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
11 days - Average rainfall days in May:
10.1 days - Average rainfall days in June:
3.8 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
2.1 days - Average rainfall days in September:
3.8 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall
Alta, CA
- Average snowfall in January:
29.37" - Average snowfall in February:
32.48" - Average snowfall in March:
37.6" - Average snowfall in April:
11.61" - Average snowfall in May:
6.65" - Average snowfall in June:
0.2"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days
Alta, CA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
11.7 days - Average snowfall days in April:
6.3 days - Average snowfall days in May:
2.2 days - Average snowfall days in June:
0.4 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
0.9 days - Average snowfall days in November:
4.6 days - Average snowfall days in December:
9 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Alta, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 4min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 2min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days
Alta, CA
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
16 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
14 days - Average sunshine days in May:
18.3 days - Average sunshine days in June:
24.9 days
- Average sunshine days in July:
28 days - Average sunshine days in August:
27.1 days - Average sunshine days in September:
25.7 days - Average sunshine days in October:
25.4 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index
Alta, CA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Alta, CA
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility
Alta, CA
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
Alta, California, USA
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