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
The coldest period is January, when temperatures fluctuate between an average high of 49.1°F (9.5°C) and a low of 32°F (0°C).Humidity
The average relative humidity in January in Newcastle is 62%.Rainfall
In Newcastle, during January, the rain falls for 4.6 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Newcastle, there are 119.9 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Newcastle, in January, snow falls for 1.4 days, with typically accumulated 0.83" (21mm) of snow. In Newcastle, during the entire year, snow falls for 5.9 days and aggregates up to 2.95" (75mm) of snow.Daylight
In Newcastle, Oklahoma, the average length of the day in January 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
In Newcastle, the average sunshine in January is 6.3h.UV index
In January, the average daily maximum UV index in Newcastle is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average UV index of 3 in January transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What part of the year is the coldest in Newcastle?
What are January temperatures in Newcastle?
What is the average humidity in January in Newcastle?
How much does it rain in Newcastle in January?
How much does it snow in Newcastle in January?
How many hours of daylight does Newcastle have in January?
What time are sunrise and sunset in January in Newcastle?
How many hours of sunshine does Newcastle have in January?
What is the UV index intensity in January in Newcastle?
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 1min
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 2min
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).
Newcastle, Oklahoma, USA
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