January weather forecastCastle, OK
January
Weather in January
January, like December, is a frosty winter month in Castle, Oklahoma, with an average temperature varying between 47.8°F (8.8°C) and 32°F (0°C).Temperature
Castle notes the coldest temperatures in January, with a high average of 47.8°F (8.8°C) and a low of 32°F (0°C).Humidity
In Castle, the average relative humidity in January is 67%.Rainfall
In Castle, in January, it is raining for 6.3 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Castle, there are 129.9 rainfall days, and 29.06" (738mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. In Castle, in January, snow falls for 1.8 days, with typically accumulated 0.83" (21mm) of snow. Throughout the year, there are 7.4 snowfall days, and 3.9" (99mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 5min.On the first day of the month, sunrise is at 7:34 am and sunset at 5:23 pm. On the last day of January, sunrise is at 7:25 am and sunset at 5:51 pm CST.
Sunshine
The average sunshine in January is 5.9h.UV index
In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the UV index of 3 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Castle, OK
- Average high temperature in January: 47.8°F
The warmest months (with the highest average high temperature) are July and August (91.8°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in January: 32°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in January
Castle, OK
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Castle, OK
- Average wind speed in January: 10.1mph
The windiest months (with the highest average wind speed) are March and April (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).
Average humidity in January
Castle, OK
- Average humidity in January: 67%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (65%).
Average rainfall in January
Castle, OK
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is May (4.72").
The driest months (with the least rainfall) are February and November (1.38").
Average rainfall days in January
Castle, OK
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Castle, OK
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in January
Castle, OK
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Castle, OK
- Average daylight in January: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Castle, OK
- Average sunshine days in January: 22.4 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in January
Castle, OK
- Average UV index in January: 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 2).
Average cloud cover in January
Castle, OK
- Average cloud cover in January: 32
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Castle, OK
- 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).





