Climate and monthly weather forecastAlta Sierra, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another fresh winter month in Alta Sierra, California, with an average temperature varying between 38.3°F (3.5°C) and 53.8°F (12.1°C). Alta Sierra observes an average high-temperature of a still fresh 53.8°F (12.1°C) in January, barely different from 51.3°F (10.7°C) in December. Weather in January »Weather in February
February, the last month of the winter in Alta Sierra, is also a fresh month, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 37.8°F (3.2°C). February's advent notes a subtle adjustment in average high-temperature to a still fresh 54.5°F (12.5°C) from January. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Alta Sierra, California, with an average temperature ranging between min 39.9°F (4.4°C) and max 56.5°F (13.6°C). Alta Sierra's weather, upon March's arrival, documents an average high-temperature of a refreshing 56.5°F (13.6°C), nearly identical to the prior month. Weather in March »Weather in April
April in Alta Sierra, California, is an enjoyable spring month, with an average temperature ranging between min 43.3°F (6.3°C) and max 63.1°F (17.3°C). The average high-temperature mildly increases in April, edging from a mild 56.5°F (13.6°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »Weather in May
May, the last month of the spring in Alta Sierra, is a pleasant month, with an average temperature fluctuating between 71.2°F (21.8°C) and 48.4°F (9.1°C). The arrival of May witnesses a small shift in the average high-temperature, moving from a comfortable 63.1°F (17.3°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Alta Sierra, California, with an average temperature varying between 82°F (27.8°C) and 55.9°F (13.3°C). With the onset of June, Alta Sierra sees a temperature rise, with the average high-temperature moving from May's agreeable 71.2°F (21.8°C) to a moderately hot 82°F (27.8°C). Weather in June »Weather in July
July is a tropical summer month in Alta Sierra, California, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 90.1°F (32.3°C). The warmest time of the year is July, with temperatures averaging a high of 90.1°F (32.3°C) and a low of 60.1°F (15.6°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Alta Sierra, California, with an average temperature ranging between max 89.2°F (31.8°C) and min 59.2°F (15.1°C). The arrival of August coincides with an average high-temperature of a still hot 89.2°F (31.8°C), indicating a minimal shift from July's 90.1°F (32.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Alta Sierra, California, with an average temperature ranging between max 83.8°F (28.8°C) and min 56.5°F (13.6°C). September heralds a minor drop in average high-temperature, sliding from August's tropical 89.2°F (31.8°C) to a warm 83.8°F (28.8°C). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Alta Sierra, California, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 72°F (22.2°C). A shift in the average high-temperature occurs in October, reducing from a warm 83.8°F (28.8°C) in September to an agreeable 72°F (22.2°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Alta Sierra, California, with an average temperature fluctuating between 42.8°F (6°C) and 59.5°F (15.3°C). The arrival of November corresponds with a shift in temperature, down from a pleasant 72°F (22.2°C) in October to a moderate 59.5°F (15.3°C). Weather in November »Weather in December
December, the first month of the winter in Alta Sierra, is also a fresh month, with an average temperature ranging between max 51.3°F (10.7°C) and min 37.2°F (2.9°C). With an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 37.2°F (2.9°C), December is the coldest month. Weather in December »Updated: Jul 21, 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
Throughout the year, there are 82 rainfall days, and 33.11" (841mm) of precipitation is accumulated.
Months with snowfall are January through May, November and December.
Throughout the year, there are 6.8 snowfall days, and 14.41" (366mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 5.7h of sunshine.
The month with the most snowfall is February, when snow falls for 2.2 days and typically aggregates up to 6.42" (163mm) of snow.
The most humid month in Alta Sierra is March, with an average relative humidity of 75%.
The month with the most rainfall is March, when the rain falls for 15.1 days and typically aggregates up to 6.57" (167mm) of precipitation.
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.
June through October are months without snowfall in Alta Sierra.
With an average of 14h and 54min of daylight, June has the longest days of the year.
In Alta Sierra, the peak temperatures are generally noted in July, averaging a high of 90.1°F (32.3°C) and a low of 60.1°F (15.6°C).
The least humid month is July, with an average relative humidity of 37%.
The months with the least rainfall are July and August Rain falls for 1.1 days and accumulates 0.04" (1mm) of rain.
With an average of 12.2h of sunshine, July has the most sunshine of the year.
With an average maximum UV index of 7, July is the month with the highest UV index.
November is the month with the lowest UV index, with an average maximum UV index of 2.
December is the coldest month of the year, registering average temperatures as high as 51.3°F (10.7°C) and as low as 37.2°F (2.9°C).
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Alta Sierra, CA
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure
Alta Sierra, 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:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
30"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 Sierra, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6mph - Average wind speed in March:
5.9mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.4mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Alta Sierra, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall
Alta Sierra, CA
- Average rainfall in January:
5.31" - Average rainfall in February:
6.1" - Average rainfall in March:
6.57" - Average rainfall in April:
2.28" - Average rainfall in May:
1.73" - Average rainfall in June:
0.24"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.28" - Average rainfall in October:
1.57" - Average rainfall in November:
3.58" - Average rainfall in December:
5.35"
The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Alta Sierra, CA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
15.1 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
6.5 days - Average rainfall days in June:
2.4 days
- Average rainfall days in July:
1.1 days - Average rainfall days in August:
1.2 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
4.1 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall
Alta Sierra, CA
- Average snowfall in January:
1.42" - Average snowfall in February:
6.42" - Average snowfall in March:
4.13" - Average snowfall in April:
0.24" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Alta Sierra, CA
- Average snowfall days in January:
0.7 days - Average snowfall days in February:
2.2 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Alta Sierra, CA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
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 42min - Average sunshine in February:
5h and 54min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 12min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days
Alta Sierra, CA
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
18.8 days - Average sunshine days in May:
23.3 days - Average sunshine days in June:
27.3 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
28.7 days - Average sunshine days in September:
26.9 days - Average sunshine days in October:
26.3 days - Average sunshine days in November:
21 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index
Alta Sierra, CA
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover
Alta Sierra, CA
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Alta Sierra, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
