Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's pleasant 68.9°F (20.5°C) to a refreshing 61.7°F (16.5°C). Throughout December, Castroville anticipates an average low-temperature of 45°F (7.2°C).Humidity
In Castroville, the average relative humidity in December is 68%.Rainfall
In Castroville, Texas, in December, during 9.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Castroville, Texas, during the entire year, the rain falls for 138.8 days and collects up to 19.76" (502mm) of precipitation.Snowfall
March through December are months without snowfall in Castroville.Daylight
December has the shortest days of the year in Castroville, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 5:36 pm. On the last day of December, in Castroville, sunrise is at 7:29 am and sunset at 5:47 pm CST.
Sunshine
November and December, with an average of 5.3h of sunshine, are months with the least sunshine.UV index
The month with the lowest UV index in Castroville is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the temperature in December in Castroville?
What is the average humidity in December in Castroville?
How many days does it rain in December in Castroville?
When it does not snow in Castroville?
Does it snow in Castroville in December?
What is the month with the shortest days in Castroville?
What is the average length of the day in December in Castroville?
When are sunrise and sunset in December in Castroville?
What are the months with the least sunshine in Castroville?
How long on average sun shines in December in Castroville?
What is the month with the lowest UV index in Castroville?
What is the UV index reading in December in Castroville?
Average temperature in December
Castroville, TX
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 45°F
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in December
Castroville, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).
Average wind speed in December
Castroville, TX
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are April and May (9.1mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in December
Castroville, TX
- Average humidity in December: 68%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Castroville, TX
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Castroville, TX
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Castroville, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Castroville, TX
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Castroville, TX
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are November and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Castroville, TX
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Castroville, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Castroville, TX
- Average cloud cover in December: 40
The months with the most cloud cover are March and May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Castroville, TX
- Average visibility in December: 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, Texas, USA
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