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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, the same as December, in Alleghany, California, is a frosty winter month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 45.7°F (7.6°C). The advent of January sees the average high-temperature at a still frosty 45.7°F (7.6°C), subtly shifted from December's 43.7°F (6.5°C). Weather in January »
Weather in February
February, the last month of the winter in Alleghany, is another chilly month, with an average temperature ranging between max 45.5°F (7.5°C) and min 29.3°F (-1.5°C). The transition into February shows a subtle variation to a still chilly 45.5°F (7.5°C) from January's 45.7°F (7.6°C) in the average high-temperature. Weather in February »
Weather in March
March, the first month of the spring in Alleghany, is still a chilly month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 47.8°F (8.8°C). Transitioning from February to March, Alleghany observes an average high-temperature of a still chilly 47.8°F (8.8°C), differing subtly from the previous month. Weather in March »
Weather in April
April is a cool spring month in Alleghany, California, with an average temperature varying between 55.2°F (12.9°C) and 35.4°F (1.9°C). April's onset witnesses a minor shift 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
The last month of the spring, May, is a comfortable month in Alleghany, California, with an average temperature varying between 63.1°F (17.3°C) and 40.6°F (4.8°C). Alleghany's weather shows a minor temperature rise with the arrival of May, moving 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
The first month of the summer, June, is a moderately hot month in Alleghany, California, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 74.8°F (23.8°C). The shift from May to June brings an increase in the average high-temperature, moving from an enjoyable 63.1°F (17.3°C) to a warm 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Alleghany, California, is a moderately hot summer month, with an average temperature varying between 52.9°F (11.6°C) and 83.5°F (28.6°C). Alleghany experiences its highest temperatures in July, with an average peak of 83.5°F (28.6°C) and a low of 52.9°F (11.6°C). Weather in July »
Weather in August
August, the last month of the summer in Alleghany, is also a moderately hot month, with an average temperature fluctuating between 82.4°F (28°C) and 52°F (11.1°C). Alleghany marks the onset of August with an average high-temperature of a still warm 82.4°F (28°C), a subtle shift from July's 83.5°F (28.6°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Alleghany, California, with an average temperature fluctuating between 48°F (8.9°C) and 76.6°F (24.8°C). Alleghany's September weather shows a modest shift in high-temperatures, falling from August's 82.4°F (28°C) to a still moderately hot 76.6°F (24.8°C). Weather in September »
Weather in October
October, like September, in Alleghany, California, is another refreshing autumn month, with an average temperature varying between 64.2°F (17.9°C) and 42.1°F (5.6°C). The onset of October brings a small change in high-temperatures, falling from a moderately hot 76.6°F (24.8°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Alleghany, California, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 52.3°F (11.3°C). In Alleghany, the average high-temperature in November drops from a refreshing 64.2°F (17.9°C) in October to a cool 52.3°F (11.3°C). Weather in November »
Weather in December
December, the first month of the winter in Alleghany, is still a chilly month, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 43.7°F (6.5°C). December is the coldest month, with the temperature often reaching an average high of 43.7°F (6.5°C) and an average low of 29.1°F (-1.6°C). Weather in December »
Updated: Aug 16, 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?
In Alleghany, during the entire year, the rain falls for 72.9 days and collects up to 36.06" (916mm) of precipitation.
When does it snow?
January through June, September through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 53.3 snowfall days, and 151.57" (3850mm) of snow is accumulated.
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?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is March, with an average relative humidity of 80%.
What is the rainiest 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.
When does it snow the most?
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 in Alleghany?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
July, recognised by an average high temperature of 83.5°F (28.6°C) and a low of 52.9°F (11.6°C), is Alleghany'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 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?
With an average of 12.1h of sunshine, July has the most sunshine of the year.
What is the coldest month?
The coldest period in Alleghany tends to be December, when average temperatures fluctuate between a high 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?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Alleghany, 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
Alleghany, 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
Alleghany, 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
Alleghany, CA
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall
Alleghany, 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
Alleghany, 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
Alleghany, 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
Alleghany, 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
Alleghany, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - 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 2min
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 24min).
- 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
Alleghany, 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
Alleghany, 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
Alleghany, 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
Alleghany, 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).
Alleghany, California, USA
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