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
In Dewey, Oklahoma, the month of January registers the lowest temperatures, averaging 45.1°F (7.3°C) at the peak and 29.3°F (-1.5°C) at the lowest.Humidity
The months with the lowest humidity in Dewey, Oklahoma, are January, October and November, with an average relative humidity of 68%.Rainfall
In Dewey, in January, during 5.8 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Dewey, during the entire year, the rain falls for 131.6 days and collects up to 29.06" (738mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In January, it is snowing for 2.2 days. Throughout January, 0.83" (21mm) of snow is accumulated. Throughout the year, in Dewey, there are 7.2 snowfall days, and 3.11" (79mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 59min.On the first day of January in Dewey, sunrise is at 7:36 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:47 pm CST.
Sunshine
January and December, with an average of 5.8h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Dewey, Oklahoma. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the coldest time of year in Dewey?
What is the average January temperature in Dewey?
What is the least humid month in Dewey?
What is the average humidity in January in Dewey?
How much does it rain in Dewey in January?
How many days does it snow in January in Dewey?
How many hours of daylight does Dewey have in January?
When are sunrise and sunset in January in Dewey?
What are the months with the least sunshine in Dewey?
How long on average sun shines in January in Dewey?
When is the lowest UV index in Dewey?
What is the UV index reading in January in Dewey?
Average temperature in January
Dewey, OK
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in January: 29.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in January
Dewey, 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
Dewey, OK
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is March (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in January
Dewey, OK
- Average humidity in January: 68%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).
Average rainfall in January
Dewey, OK
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in January
Dewey, OK
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in January
Dewey, OK
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Dewey, OK
- Average snowfall days in January: 2.2 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Dewey, OK
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in January
Dewey, OK
- Average sunshine days in January: 22.5 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in January
Dewey, OK
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Dewey, OK
- Average cloud cover in January: 34
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in January
Dewey, 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).
Dewey, Oklahoma, USA
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