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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 in Vallecito, California, is a mild winter month, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 55.9°F (13.3°C). January observes an average high-temperature of a moderate 55.9°F (13.3°C), marking an insignificant difference from December's 53.2°F (11.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Vallecito, California, with an average temperature varying between 39°F (3.9°C) and 56.3°F (13.5°C). Vallecito transitions into February recording an average high-temperature of a still refreshing 56.3°F (13.5°C), closely aligning with the preceding month's temperature. Weather in February »
Weather in March
March, the first month of the spring in Vallecito, is still a refreshing month, with an average temperature fluctuating between 40.8°F (4.9°C) and 59.9°F (15.5°C). Vallecito's March showcases an average high-temperature of a still mild 59.9°F (15.5°C), hardly distinct from February's 56.3°F (13.5°C). Weather in March »
Weather in April
April in Vallecito, California, is an enjoyable spring month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 44.1°F (6.7°C). April brings a slight elevation in the average high-temperature, transitioning from March's mild 59.9°F (15.5°C) 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 Vallecito, California, with an average temperature fluctuating between 73.4°F (23°C) and 49.6°F (9.8°C). As May begins, there's a slight increase in the average high-temperature, moving 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 Vallecito, California, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 84.2°F (29°C). With the beginning of June, Vallecito's average high-temperature sees an increase, transitioning from a warm 73.4°F (23°C) in May to a still moderately hot 84.2°F (29°C). Weather in June »
Weather in July
July in Vallecito, California, is a hot summer month, with an average temperature ranging between min 62.6°F (17°C) and max 91.9°F (33.3°C). July tends to be the warmest month, with temperatures averaging a daily high of 91.9°F (33.3°C) and a low of 62.6°F (17°C). Weather in July »
Weather in August
August, the last month of the summer in Vallecito, is also a hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 90.9°F (32.7°C). Entering August, the average high-temperature is recorded at a still hot 90.9°F (32.7°C), exhibiting a minimal shift from July's 91.9°F (33.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Vallecito, California, with an average temperature fluctuating between 58.8°F (14.9°C) and 85.3°F (29.6°C). September marks a gentle change in average high-temperature, declining from August's tropical 90.9°F (32.7°C) to a moderately hot 85.3°F (29.6°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Vallecito, California, with an average temperature varying between 73.8°F (23.2°C) and 51.8°F (11°C). As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from 85.3°F (29.6°C) to a still warm 73.8°F (23.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Vallecito, California, with an average temperature ranging between min 43.7°F (6.5°C) and max 62.1°F (16.7°C). Vallecito's weather changes with the onset of November, slightly falling from a moderately hot 73.8°F (23.2°C) in October to a comfortable 62.1°F (16.7°C). Weather in November »
Weather in December
December, the first month of the winter in Vallecito, is still a cool month, with an average temperature varying between 53.2°F (11.8°C) and 37.8°F (3.2°C). Vallecito's coldest weather arrives in December, when temperatures average a high of 53.2°F (11.8°C) and a low of 37.8°F (3.2°C). Weather in December »
Updated: Aug 27, 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 much does it rain?
Throughout the year, there are 74.4 rainfall days, and 22.87" (581mm) of precipitation is accumulated.
When does it snow?
January through March, November and December are months with snowfall.
How much does it snow in Vallecito?
In Vallecito, during the entire year, snow falls for 2.2 days and aggregates up to 4.09" (104mm) of snow.
What is the snowiest month?
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?
March is the most humid month, with an average relative humidity of 71%.
What is the rainiest month?
The month with the most rainfall in Vallecito 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?
April through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 7.
What is the warmest month?
The warmest temperatures occur during July, when averages reach a peak of 91.9°F (33.3°C) and a low of 62.6°F (17°C).
What are the least humid months?
July and August, with an average relative humidity of 34%, are the least humid months.
What is the driest month?
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?
The month with the most sunshine is July, with an average of 12.2h of sunshine.
What is the month with the lowest UV index in Vallecito?
November is the month with the lowest UV index, with an average maximum UV index of 2.
What is the coldest time of year in Vallecito?
With average high and low temperatures of 53.2°F (11.8°C) and 37.8°F (3.2°C) respectively, December is Vallecito's coldest month.
What is the month with the shortest days?
December has the shortest days of the year, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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
Vallecito, 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).
Vallecito, California, USA
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