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 coldest month, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 38.3°F (3.5°C).Humidity
In Roy, Mississippi, the average relative humidity in January is 77%.Rainfall
In Roy, in January, during 11.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Roy, during the entire year, the rain falls for 165.6 days and collects up to 36.06" (916mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Roy, in January, during 0.8 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Roy, during the entire year, snow falls for 2.7 days and aggregates up to 1.06" (27mm) of snow.Daylight
The average length of the day in January in Roy is 10h and 19min.On the first day of the month, sunrise is at 6:55 am and sunset at 5:00 pm. On the last day of January, sunrise is at 6:49 am and sunset at 5:27 pm CST.
Sunshine
In January, the average sunshine is 5.2h.UV index
In Roy, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 3 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the coldest time of year in Roy?
What is the temperature in January in Roy?
What is the average humidity in January in Roy?
How much does it rain in Roy in January?
How much does it snow in Roy in January?
How many hours of daylight does Roy have in January?
When is the sunrise / sunset in January in Roy?
How long on average sun shines in January in Roy?
What is the UV index intensity in January in Roy?
Average temperature in January
Roy, MS
- Average high temperature in January: 55°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in January: 38.3°F
The months with the highest average low temperature are July and August (71.8°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in January
Roy, MS
- 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 (29.96"Hg).
Average wind speed in January
Roy, MS
- Average wind speed in January: 6.9mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in January
Roy, MS
- Average humidity in January: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Roy, MS
- Average rainfall in January: 2.95"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in January
Roy, MS
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8 days).
Average snowfall in January
Roy, MS
- Average snowfall in January: 0.35"
The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Roy, MS
- Average snowfall days in January: 0.8 days
The months with the highest number of snowfall days are January and December (0.8 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
Roy, MS
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in January
Roy, MS
- Average sunshine days in January: 17.8 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in January
Roy, MS
- 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
Roy, MS
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in January
Roy, MS
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).
Roy, Mississippi, USA
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