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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a moderate winter month in Castroville, California, with an average temperature ranging between max 59.2°F (15.1°C) and min 44.6°F (7°C). Castroville records an average high-temperature of a still moderate 59.2°F (15.1°C) in January, maintaining a close correlation with December's 57.6°F (14.2°C). Weather in January »
Weather in February
February, the last month of the winter in Castroville, is another refreshing month, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 44.1°F (6.7°C). February brings a marginal elevation to a still moderate 59.4°F (15.2°C) from January's 59.2°F (15.1°C) in Castroville's average high-temperatures. Weather in February »
Weather in March
March, the first month of the spring in Castroville, is an enjoyable month, with an average temperature ranging between min 44.1°F (6.7°C) and max 61.3°F (16.3°C). The arrival of March sees an average high-temperature of a comfortable 61.3°F (16.3°C), hardly diverging from February's 59.4°F (15.2°C). Weather in March »
Weather in April
April, like March, in Castroville, California, is another comfortable spring month, with an average temperature ranging between min 45.1°F (7.3°C) and max 64°F (17.8°C). Castroville's shift from March to April is accompanied by an average high-temperature of a still comfortable 64°F (17.8°C), a slight deviation from 61.3°F (16.3°C). Weather in April »
Weather in May
The last month of the spring, May, is another comfortable month in Castroville, California, with an average temperature ranging between min 48.4°F (9.1°C) and max 67.3°F (19.6°C). The advent of May reveals an average high-temperature of a still refreshing 67.3°F (19.6°C), showing minimal difference from the prior month. Weather in May »
Weather in June
June, the first month of the summer in Castroville, is an agreeable month, with an average temperature fluctuating between 72.5°F (22.5°C) and 51.4°F (10.8°C). The advent of June reveals an average high-temperature of an agreeable 72.5°F (22.5°C), showing minimal difference from the prior month. Weather in June »
Weather in July
July is a moderately hot summer month in Castroville, California, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 53.8°F (12.1°C). The average high-temperature during July registers at a warm 75.9°F (24.4°C), closely corresponding to the preceding month. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Castroville, California, with an average temperature fluctuating between 76.6°F (24.8°C) and 54.3°F (12.4°C). Castroville's temperatures tend to reach their peak averages in August, with a high of 76.6°F (24.8°C) and a low of 54.3°F (12.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Castroville, California, with an average temperature varying between 76.5°F (24.7°C) and 54.5°F (12.5°C). The shift into September reveals an average high-temperature of a still moderately hot 76.5°F (24.7°C), closely mirroring August's climate. Weather in September »
Weather in October
October, like September, is an agreeable autumn month in Castroville, California, with an average temperature fluctuating between 70.7°F (21.5°C) and 52.3°F (11.3°C). The transition into October is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 76.5°F (24.7°C) in September to an agreeable 70.7°F (21.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Castroville, California, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 47.7°F (8.7°C). November brings a slight decrease in the average high-temperature, shifting from a pleasant 70.7°F (21.5°C) in October to a refreshing 63.7°F (17.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a mild month in Castroville, California, with temperature in the range of an average high of 57.6°F (14.2°C) and an average low of 43.7°F (6.5°C). December brings the lowest temperatures, with an average high of 57.6°F (14.2°C) and an average low of 43.7°F (6.5°C). Weather in December »
Updated: Jul 2, 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 53.1 rainfall days, and 5.35" (136mm) of precipitation is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are February, November and December, with an average maximum UV index of 3.
What is the most humid month?
March is the most humid month, with an average relative humidity of 75%.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Castroville, California, 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.
What is the driest month?
The months with the least rainfall in Castroville are June through September Rain falls for 1.1 days and accumulates 0.04" (1mm) of rain.
When are the longest days?
June has the longest days of the year, with an average of 14h and 36min of daylight.
When is the highest UV index?
The months with the highest UV index are June through September, with an average maximum UV index of 5.
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 12h of sunshine.
What time of the year is the hottest?
August, characterized by an average high temperature of 76.6°F (24.8°C) and a low temperature of 54.3°F (12.4°C), is generally the warmest month.
What is the least humid month?
With an average relative humidity of 66%, October is the least humid month.
What is the coldest time of year in Castroville?
Temperature readings reach their annual highs in December, averaging 57.6°F (14.2°C) and a minimum average of 43.7°F (6.5°C).
What is the wettest month?
The month with the most rainfall in Castroville is December, when the rain falls for 7.7 days and typically aggregates up to 1.14" (29mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 42min of daylight.
What is the month with the least sunshine in Castroville?
December has the least sunshine of the year, with an average of 6h of sunshine.
Average temperature
Castroville, CA
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (57.6°F).
The month with the highest average low temperature is September (54.5°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).
Average pressure
Castroville, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed
Castroville, CA
- Average wind speed in January:
5mph - Average wind speed in February:
5.9mph - Average wind speed in March:
6mph - Average wind speed in April:
6.3mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.2mph
The windiest month (with the highest average wind speed) is May (6.5mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity
Castroville, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Castroville, CA
- Average rainfall in January:
0.79" - Average rainfall in February:
0.91" - Average rainfall in March:
0.94" - Average rainfall in April:
0.47" - Average rainfall in May:
0.24" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.04" - Average rainfall in October:
0.2" - Average rainfall in November:
0.51" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is December (1.14").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days
Castroville, CA
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
6.9 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
1.1 days
- Average rainfall days in July:
1.7 days - Average rainfall days in August:
0.7 days - Average rainfall days in September:
2.1 days - Average rainfall days in October:
2.2 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is August (0.7 days).
Average daylight / Average sunshine
Castroville, CA
- Average daylight in January:
10h and 0min - 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 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - 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 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 2min - Average sunshine in February:
6h and 3min - Average sunshine in March:
8h and 1min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h - Average sunshine in August:
12h - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).
Average sunshine days
Castroville, CA
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
20.6 days - Average sunshine days in March:
20 days - Average sunshine days in April:
22.7 days - Average sunshine days in May:
26.3 days - Average sunshine days in June:
28.1 days
- Average sunshine days in July:
28.5 days - Average sunshine days in August:
29.8 days - Average sunshine days in September:
27.3 days - Average sunshine days in October:
27.5 days - Average sunshine days in November:
24.2 days - Average sunshine days in December:
22.2 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (20 days).
Average UV index
Castroville, CA
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Castroville, CA
The month with the most cloud cover is March (Cloud cover 33).
The months with the least cloud cover are July and September (Cloud cover 10).
Average visibility
Castroville, 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).
Castroville, California, USA
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