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 stands out as Castle Hills's coldest month, with an average high-temperature of 61.2°F (16.2°C) and a low-temperature of 44.2°F (6.8°C).Humidity
In January, the average relative humidity is 64%.Rainfall
In January, the rain falls for 9.3 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. In Castle Hills, during the entire year, the rain falls for 155.9 days and collects up to 22.76" (578mm) of precipitation.Snowfall
Months with snowfall in Castle Hills are January and February. The months with the most snowfall in Castle Hills are January and February, with an average 0.08" (2mm) of accumulated snow.Daylight
In January, the average length of the day is 10h and 31min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:46 pm. On the last day of January, in Castle Hills, sunrise is at 7:24 am and sunset at 6:10 pm CST.
Sunshine
In January, the average sunshine in Castle Hills is 6.3h.UV index
In Castle Hills, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In January, the UV index of 4 transforms into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Castle Hills?
What is the temperature in January in Castle Hills?
What is the average humidity in January in Castle Hills?
How much does it rain in Castle Hills in January?
What is the snowiest month in Castle Hills?
When does it start to snow in Castle Hills?
What is the average length of the day in January in Castle Hills?
When is the sunrise / sunset in January in Castle Hills?
How many hours of sunshine does Castle Hills have in January?
What is the UV index reading in January in Castle Hills?
Average temperature in January
Castle Hills, TX
- Average high temperature in January: 61.2°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is January (61.2°F).
- Average low temperature in January: 44.2°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in January
Castle Hills, 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 (29.89"Hg).
Average wind speed in January
Castle Hills, TX
- Average wind speed in January: 8.2mph
The windiest months (with the highest average wind speed) are February, March, April and May (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.4mph).
Average humidity in January
Castle Hills, TX
- Average humidity in January: 64%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).
Average rainfall in January
Castle Hills, TX
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in January
Castle Hills, TX
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and August (9.3 days).
Average snowfall in January
Castle Hills, TX
- Average snowfall in January: 0.08"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Castle Hills, TX
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Castle Hills, TX
- Average daylight in January: 10h and 3min
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 January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Castle Hills, TX
- Average sunshine days in January: 20 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in January
Castle Hills, 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
Castle Hills, TX
- Average cloud cover in January: 37
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Castle Hills, 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).
Castle Hills, Texas, USA
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