January weather forecastNewcastle, OK
January
Weather in January
January, like December, is another chilly winter month in Newcastle, Oklahoma, with an average temperature ranging between min 32°F (0°C) and max 49.1°F (9.5°C).Temperature
Newcastle notes the coldest temperatures in January, with a high average of 49.1°F (9.5°C) and a low of 32°F (0°C).Humidity
The average relative humidity in January is 62%.Rainfall
In January, the rain falls for 4.6 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. In Newcastle, during the entire year, the rain falls for 119.9 days and collects up to 24.09" (612mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Newcastle. In Newcastle, in January, snow falls for 1.4 days, with typically accumulated 0.83" (21mm) of snow. Throughout the year, there are 5.9 snowfall days, and 2.95" (75mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 6min.On the first day of the month, sunrise is at 7:38 am and sunset at 5:28 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:57 pm CST.
Sunshine
The average sunshine in January is 6.3h.UV index
In January, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 3 in January suggests the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Newcastle, OK
- Average high temperature in January: 49.1°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in January: 32°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in January
Newcastle, 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 (29.87"Hg).
Average wind speed in January
Newcastle, OK
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in January
Newcastle, OK
- Average humidity in January: 62%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (59%).
Average rainfall in January
Newcastle, OK
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (3.82").
The driest months (with the least rainfall) are February and December (0.98").
Average rainfall days in January
Newcastle, OK
- Average rainfall days in January: 4.6 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in January
Newcastle, OK
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Newcastle, OK
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Newcastle, 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: 6h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in January
Newcastle, OK
- Average sunshine days in January: 24.5 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in January
Newcastle, 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
Newcastle, OK
- Average cloud cover in January: 26
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in January
Newcastle, 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).
