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 snowfall in January
- Average snowfall 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
January is the coldest month, with the temperature often reaching an average high of 59.4°F (15.2°C) and an average low of 40.8°F (4.9°C).Humidity
In January, the average relative humidity is 62%.Rainfall
In Castell, in January, during 7.3 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Castell, during the entire year, the rain falls for 123.8 days and collects up to 21.18" (538mm) of precipitation.Snowfall
Months with snowfall are January, February and December. In Castell, Texas, during January, snow falls for 0.5 days and regularly aggregates up to 0.08" (2mm) of snow. Throughout the year, in Castell, there are 1.9 snowfall days, and 0.43" (11mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 26min.On the first day of the month, sunrise is at 7:33 am and sunset at 5:45 pm. On the last day of January, sunrise is at 7:27 am and sunset at 6:10 pm CST.
Sunshine
The average sunshine in January in Castell is 6.7h.UV index
In Castell, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during January translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Castell?
What are the temperatures in Castell in January?
What is the average humidity in January in Castell?
How much does it rain in Castell in January?
How many days does it snow in January in Castell?
How many hours of daylight does Castell have in January?
What time are sunrise and sunset in January in Castell?
How long on average sun shines in January in Castell?
What is the UV index reading in January in Castell?
Average temperature in January
Castell, TX
- Average high temperature in January: 59.4°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in January: 40.8°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 (40.8°F).
Average pressure in January
Castell, TX
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Castell, TX
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in January
Castell, TX
- Average humidity in January: 62%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (56%).
Average rainfall in January
Castell, TX
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in January
Castell, TX
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in January
Castell, TX
- Average snowfall in January: 0.08"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Castell, TX
- Average snowfall days in January: 0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Castell, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).
Average sunshine days in January
Castell, TX
- Average sunshine days in January: 22.2 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in January
Castell, TX
- Average UV index in January: 4
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 January
Castell, TX
- Average cloud cover in January: 30
The month with the most cloud cover is May (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Castell, TX
- 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).
Castell, Texas, USA
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