Climate and monthly weather forecastAlturas, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Alturas, California, with temperature in the range of an average high of 38.7°F (3.7°C) and an average low of 24.4°F (-4.2°C). Alturas commences January with an average high-temperature of a still icy 38.7°F (3.7°C), maintaining a close resemblance to the previous month. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Alturas, California, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 39.9°F (4.4°C). The beginning of February records an average high-temperature of a still cold 39.9°F (4.4°C), marking a negligible difference from January's 38.7°F (3.7°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Alturas, California, with an average temperature ranging between max 45.1°F (7.3°C) and min 29.5°F (-1.4°C). The average high-temperature is a chilly 45.1°F (7.3°C) in March, hardly different from the 39.9°F (4.4°C) recorded in February. Weather in March »Weather in April
April in Alturas, California, is a cool spring month, with an average temperature fluctuating between 33.4°F (0.8°C) and 52.7°F (11.5°C). April's onset is marked by a subtle temperature increase, moving from a chilly 45.1°F (7.3°C) in March to a cool 52.7°F (11.5°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Alturas, California, with an average temperature fluctuating between 39.4°F (4.1°C) and 62.4°F (16.9°C). With the onset of May, Alturas sees a temperature rise, with the average high-temperature moving from April's fresh 52.7°F (11.5°C) to a comfortable 62.4°F (16.9°C). Weather in May »Weather in June
June, the first month of the summer in Alturas, is a pleasant month, with an average temperature fluctuating between 46°F (7.8°C) and 73.2°F (22.9°C). The beginning of June signals a rise in the average high-temperature, moving from an enjoyable 62.4°F (16.9°C) in May to an agreeable 73.2°F (22.9°C). Weather in June »Weather in July
July in Alturas, California, is a warm summer month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 84°F (28.9°C). With average high temperatures of 84°F (28.9°C) and lows of 52.5°F (11.4°C), July is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Alturas, California, with an average temperature fluctuating between 82.6°F (28.1°C) and 52.3°F (11.3°C). August's average high-temperature is a still moderately hot 82.6°F (28.1°C), maintaining a close comparison with July's 84°F (28.9°C). Weather in August »Weather in September
September, the first month of the autumn in Alturas, is also a moderately hot month, with an average temperature fluctuating between 47.3°F (8.5°C) and 73.9°F (23.3°C). The onset of September is marked by a minor decrease in temperature, transitioning from a warm 82.6°F (28.1°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, the same as September, in Alturas, California, is a moderate autumn month, with an average temperature fluctuating between 59.4°F (15.2°C) and 37.8°F (3.2°C). October's onset brings a noticeable temperature drop, falling from a warm 73.9°F (23.3°C) in September to a moderate 59.4°F (15.2°C). Weather in October »Weather in November
November, the last month of the autumn in Alturas, is also a frosty month, with an average temperature ranging between min 29.1°F (-1.6°C) and max 46.8°F (8.2°C). As October transitions into November, Alturas sees a drop in the average high-temperature, transitioning from a moderate 59.4°F (15.2°C) to a chilly 46.8°F (8.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Alturas, California, with an average temperature ranging between min 23°F (-5°C) and max 36.1°F (2.3°C). In Alturas, December is the coldest month, with temperatures averaging a high of 36.1°F (2.3°C) and a low of 23°F (-5°C). Weather in December »Updated: Aug 18, 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
The months with the highest humidity are January and December, with an average relative humidity of 79%.
In Alturas, during the entire year, the rain falls for 91.1 days and collects up to 12.64" (321mm) of precipitation.
Months with snowfall are January through June, September through December.
Throughout the year, there are 60.7 snowfall days, and 39.53" (1004mm) of snow is accumulated.
The months with the least sunshine in Alturas are January and December, with an average of 5.4h of sunshine.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
March is the month with the most rainfall. Rain falls for 12.6 days and accumulates 1.85" (47mm) 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.
With an average of 15h and 6min of daylight, June has the longest days of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
In Alturas, the average highest temperatures are observed in July, with a high of 84°F (28.9°C) and a low of 52.5°F (11.4°C).
The month with the least rainfall is July, when the rain falls for 2.5 days and typically collects 0.16" (4mm) of precipitation.
In Alturas, snow does not fall in July and August.
With an average of 12h of sunshine, July has the most sunshine of the year.
August is the least humid month, with an average relative humidity of 34%.
With its average high temperature of 36.1°F (2.3°C) and a low of 23°F (-5°C), December is regarded as the coldest month.
The month with the most snowfall is December, when snow falls for 12.8 days and typically aggregates up to 9.02" (229mm) of snow.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Alturas, CA
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.1°F).
The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure
Alturas, CA
- Average pressure in January:
30.21"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Alturas, CA
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.5mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.2mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6mph - Average wind speed in September:
6.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Alturas, CA
The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).
Average rainfall
Alturas, CA
- Average rainfall in January:
1.65" - Average rainfall in February:
1.38" - Average rainfall in March:
1.85" - Average rainfall in April:
1.34" - Average rainfall in May:
1.22" - Average rainfall in June:
0.67"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.24" - Average rainfall in September:
0.39" - Average rainfall in October:
0.79" - Average rainfall in November:
1.14" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Alturas, CA
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
11.5 days - Average rainfall days in June:
6.2 days
- Average rainfall days in July:
2.5 days - Average rainfall days in August:
2.9 days - Average rainfall days in September:
4.5 days - Average rainfall days in October:
6.6 days - Average rainfall days in November:
7 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is July (2.5 days).
Average snowfall
Alturas, CA
- Average snowfall in January:
7.32" - Average snowfall in February:
6.1" - Average snowfall in March:
8.15" - Average snowfall in April:
3.62" - Average snowfall in May:
0.39" - Average snowfall in June:
0.12"
The month with the highest snowfall is December (9.02").
The months with the least snowfall are July and August (0").
Average snowfall days
Alturas, CA
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
11.1 days - Average snowfall days in March:
10.3 days - Average snowfall days in April:
6.5 days - Average snowfall days in May:
1.3 days - Average snowfall days in June:
0.3 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
1.5 days - Average snowfall days in November:
6.4 days - Average snowfall days in December:
12.8 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Alturas, CA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 48min - Average sunshine in March:
7h and 18min - Average sunshine in April:
9h and 48min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 48min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days
Alturas, CA
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
17.8 days - Average sunshine days in June:
22.8 days
- Average sunshine days in July:
26.3 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
24.6 days - Average sunshine days in October:
22.5 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
14.2 days
The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (12.8 days).
Average UV index
Alturas, 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
Alturas, CA
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility
Alturas, CA
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
