Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
With January's arrival, Castroville's weather records an average high-temperature of a still mild 59.2°F (15.1°C), marking little difference from December's 57.6°F (14.2°C). Castroville observes an average low-temperature of 44.6°F (7°C) during January.Humidity
The average relative humidity in January in Castroville is 72%.Rainfall
In Castroville, during January, the rain falls for 6.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Castroville, during the entire year, the rain falls for 53.1 days and collects up to 5.35" (136mm) of precipitation.Daylight
In Castroville, the average length of the day in January is 9h and 59min.On the first day of January in Castroville, sunrise is at 7:19 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:31 pm PST.
Sunshine
In Castroville, the average sunshine in January is 6.4h.UV index
The average daily maximum UV index in January in Castroville is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in January transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the temperature in January in Castroville?
What is the average humidity in January in Castroville?
How much does it rain in Castroville in January?
What is the average length of the day in January in Castroville?
When is the sunrise / sunset in January in Castroville?
How many hours of sunshine does Castroville have in January?
How high is the UV index in January in Castroville?
Average temperature in January
Castroville, CA
- Average high temperature in January: 59.2°F
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).
- Average low temperature in January: 44.6°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 in January
Castroville, CA
- Average pressure in January: 30.13"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 in January
Castroville, CA
- Average wind speed in January: 5mph
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 in January
Castroville, CA
- Average humidity in January: 72%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (66%).
Average rainfall in January
Castroville, CA
- Average rainfall in January: 0.79"
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 in January
Castroville, CA
- Average rainfall days in January: 6.3 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 in January /
Average sunshine in January
Castroville, CA
- Average daylight in January: 10h and 0min
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
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Castroville, CA
- Average sunshine days in January: 23.3 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 in January
Castroville, CA
- Average UV index in January: 4
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 in January
Castroville, CA
- Average cloud cover in January: 29
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 in January
Castroville, CA
- Average visibility in January: 6mi
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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