January weather forecastArthur, MO
January
Weather in January
January, like December, in Arthur, Missouri, is a wintry winter month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 39.9°F (4.4°C).Temperature
January stands out as Arthur's coldest month, with temperatures ranging between an average high of 39.9°F (4.4°C) and a low of 25.2°F (-3.8°C).Humidity
The average relative humidity in January is 72%.Rainfall
January is the month with the least rainfall. Rain falls for 5 days and accumulates 0.79" (20mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October through December. In Arthur, during January, snow falls for 3.8 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, there are 12.2 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
In Arthur, the average length of the day in January is 9h and 53min.On the first day of the month, sunrise is at 7:33 am and sunset at 5:08 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:38 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 in January translates into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Arthur, MO
- Average high temperature in January: 39.9°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Arthur, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Arthur, MO
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Arthur, MO
- Average humidity in January: 72%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Arthur, MO
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in January
Arthur, MO
- Average rainfall days in January: 5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in January
Arthur, MO
- Average snowfall in January: 0.94"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in January
Arthur, MO
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Arthur, MO
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in January
Arthur, MO
- Average sunshine days in January: 22.7 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in January
Arthur, MO
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Arthur, MO
- Average cloud cover in January: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in January
Arthur, MO
- 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).





