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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 is a moderate winter month in Altaville, California, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 39.2°F (4°C). January brings an average high-temperature of a refreshing 55.9°F (13.3°C), nearly identical to the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another mild month in Altaville, California, with an average temperature varying between 56.3°F (13.5°C) and 39°F (3.9°C). February's advent notes a subtle adjustment in average high-temperature to a still moderate 56.3°F (13.5°C) from January. Weather in February »
Weather in March
The first month of the spring, March, is also a moderate month in Altaville, California, with an average temperature varying between 40.8°F (4.9°C) and 59.9°F (15.5°C). The advent of March signifies a minor shift to an average high-temperature of a still refreshing 59.9°F (15.5°C), aligning closely with February. Weather in March »
Weather in April
April is a comfortable spring month in Altaville, California, with an average temperature varying between 44.1°F (6.7°C) and 65.8°F (18.8°C). A minor escalation in the average high-temperature is seen with the onset of April, moving from a mild 59.9°F (15.5°C) in March to a still refreshing 65.8°F (18.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Altaville, California, with an average temperature varying between 49.6°F (9.8°C) and 73.4°F (23°C). With the onset of May, Altaville's weather sees a minor temperature rise, transitioning from a comfortable 65.8°F (18.8°C) in April to a moderately hot 73.4°F (23°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Altaville, California, with an average temperature varying between 84.2°F (29°C) and 56.8°F (13.8°C). Altaville sees a rise in temperature during June, with average high-temperatures transitioning from 73.4°F (23°C) in May to a still warm 84.2°F (29°C). Weather in June »
Weather in July
July in Altaville, California, is a hot summer month, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 62.6°F (17°C). July is the warmest month, exhibiting average temperatures of 91.9°F (33.3°C) at the peak and 62.6°F (17°C) at the base. Weather in July »
Weather in August
August, the last month of the summer in Altaville, is another hot month, with temperature in the range of an average high of 90.9°F (32.7°C) and an average low of 62.2°F (16.8°C). Altaville starts August with an average high-temperature of a still tropical 90.9°F (32.7°C), hinting at a minimal fluctuation from July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Altaville, California, with an average temperature fluctuating between 85.3°F (29.6°C) and 58.8°F (14.9°C). The move into September indicates a slight reduction in the average high-temperature, down from August's hot 90.9°F (32.7°C) to a warm 85.3°F (29.6°C). Weather in September »
Weather in October
October, like September, in Altaville, California, is another warm autumn month, with an average temperature fluctuating between 51.8°F (11°C) and 73.8°F (23.2°C). Altaville, California, experiences a temperature shift at the start of October, with average high-temperatures adjusting from a warm 85.3°F (29.6°C) in September to a still moderately hot 73.8°F (23.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Altaville, is also an enjoyable month, with an average temperature fluctuating between 62.1°F (16.7°C) and 43.7°F (6.5°C). In Altaville, entering November brings a temperature decrement, reducing from October's moderately hot 73.8°F (23.2°C) to a comfortable 62.1°F (16.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cool month in Altaville, California, with an average temperature varying between 37.8°F (3.2°C) and 53.2°F (11.8°C). Altaville, California, reaches its lowest average temperatures in December, measuring 53.2°F (11.8°C) at the peak and 37.8°F (3.2°C) at the lowest. Weather in December »
Updated: Aug 11, 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 Altaville, during the entire year, the rain falls for 74.4 days and collects up to 22.87" (581mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
How many days does it snow?
In Altaville, during the entire year, snow falls for 2.2 days and aggregates up to 4.09" (104mm) of snow.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 1.2 days and typically aggregates up to 2.32" (59mm) of snow.
What is the most humid month?
The most humid month is March, with an average relative humidity of 71%.
What is the wettest month?
The month with the most rainfall is March, when the rain falls for 13 days and typically aggregates up to 4.76" (121mm) of precipitation.
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 it does not snow?
In Altaville, snow does not fall in April through October.
When are the longest days?
The month with the longest days in Altaville is June, with an average of 14h and 48min of daylight.
When is the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 7.
What part of the year is the hottest?
Altaville experiences its average highest temperatures in July, reaching a peak of 91.9°F (33.3°C) and a minimum of 62.6°F (17°C).
What is the least humid month?
The months with the lowest humidity are July and August, with an average relative humidity of 34%.
What is the driest month in Altaville?
The months with the least rainfall are July and August Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.2h of sunshine.
What is the month with the lowest UV index?
The month with the lowest UV index is November, with an average maximum UV index of 2.
What time of the year is the coldest?
December, having an average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 37.8°F (3.2°C), is the coldest month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
What is the month with the least sunshine?
With an average of 5.8h of sunshine, December has the least sunshine of the year.
Average temperature
Altaville, CA
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.2°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure
Altaville, CA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Altaville, CA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.6mph - Average wind speed in April:
5.5mph - Average wind speed in May:
5.3mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5mph - Average wind speed in September:
5mph - Average wind speed in October:
5.1mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.8mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity
Altaville, CA
The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (34%).
Average rainfall
Altaville, CA
- Average rainfall in January:
3.03" - Average rainfall in February:
3.78" - Average rainfall in March:
4.76" - Average rainfall in April:
1.97" - Average rainfall in May:
1.38" - Average rainfall in June:
0.2"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.24" - Average rainfall in October:
1.06" - Average rainfall in November:
2.48" - Average rainfall in December:
3.9"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Altaville, CA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
13 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
6.3 days - Average rainfall days in June:
1.6 days
- Average rainfall days in July:
1.4 days - Average rainfall days in August:
1.2 days - Average rainfall days in September:
3 days - Average rainfall days in October:
3.8 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).
Average snowfall
Altaville, CA
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Altaville, CA
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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:
0.3 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Altaville, 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 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Altaville, CA
- Average sunshine days in January:
21.7 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
19.8 days - Average sunshine days in May:
23.8 days - Average sunshine days in June:
27.4 days
- Average sunshine days in July:
29.1 days - Average sunshine days in August:
28.8 days - Average sunshine days in September:
26.8 days - Average sunshine days in October:
26.2 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
20.6 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.8 days).
Average UV index
Altaville, CA
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover
Altaville, CA
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Altaville, 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).
Altaville, California, USA
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