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 that records the lowest temperatures, with averages ranging from a high of 39.9°F (4.4°C) to a low of 25.2°F (-3.8°C).Humidity
The average relative humidity in January is 75%.Rainfall
January is the month with the least rainfall. Rain falls for 7 days and accumulates 1.73" (44mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Roby, in January, snow falls for 5.6 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, there are 20.1 snowfall days, and 9.96" (253mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 55min.On the first day of January, sunrise is at 7:23 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:30 pm CST.
Sunshine
In January, the average sunshine is 5h.UV index
The months with the lowest UV index in Roby are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Roby have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Roby, MO
- Average high temperature in January: 39.9°F
The warmest month (with the highest average high temperature) is July (89.2°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 (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Roby, MO
- 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 (29.93"Hg).
Average wind speed in January
Roby, MO
- Average wind speed in January: 8.7mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in January
Roby, MO
- Average humidity in January: 75%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August, September and October (73%).
Average rainfall in January
Roby, MO
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in January
Roby, MO
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in January
Roby, MO
- Average snowfall in January: 2.72"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Roby, MO
- Average snowfall days in January: 5.6 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Roby, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Roby, MO
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in January
Roby, MO
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Roby, MO
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Roby, MO
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Roby, Missouri, USA
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