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 is the month when Johnson sees the lowest average temperatures, with a high of 48.6°F (9.2°C) and a low of 32.5°F (0.3°C).Humidity
In January, the average relative humidity is 64%.Rainfall
The months with the least rainfall are January and February Rain falls for 5.4 days and accumulates 1.18" (30mm) of rain.Snowfall
January through April, November and December are months with snowfall. In Johnson, during January, snow falls for 1.4 days and regularly aggregates up to 0.87" (22mm) of snow. In Johnson, Oklahoma, during the entire year, snow falls for 6.5 days and aggregates up to 3.66" (93mm) of snow.Daylight
In January, the average length of the day is 10h and 5min.On the first day of January, sunrise is at 7:36 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:53 pm CST.
Sunshine
In Johnson, Oklahoma, the average sunshine in January is 6h.UV index
The average daily maximum UV index in January in Johnson is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during January translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What are January temperatures?
What is the average humidity in January?
What is the driest month in Johnson?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Johnson have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Johnson, OK
- Average high temperature in January: 48.6°F
The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in January: 32.5°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in January
Johnson, 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 (29.88"Hg).
Average wind speed in January
Johnson, OK
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).
Average humidity in January
Johnson, OK
- Average humidity in January: 64%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (63%).
Average rainfall in January
Johnson, OK
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in January
Johnson, OK
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in January
Johnson, OK
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Johnson, OK
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Johnson, 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 0min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
Johnson, OK
- Average sunshine days in January: 23.7 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in January
Johnson, 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
Johnson, OK
- Average cloud cover in January: 29
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in January
Johnson, 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).
Johnson, Oklahoma, USA
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