January weather forecastRoy, FL
January
Weather in January
January, like December, in Roy, Florida, is another enjoyable winter month, with an average temperature fluctuating between 65.8°F (18.8°C) and 48.2°F (9°C).Temperature
January, recording an average high temperature of 65.8°F (18.8°C) and a low temperature of 48.2°F (9°C), is Roy's coldest month.Humidity
In January, the average relative humidity is 73%.Rainfall
In Roy, during January, the rain falls for 7.6 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Roy, during the entire year, the rain falls for 138.3 days and collects up to 12.76" (324mm) of precipitation.Snowfall
The only month with snowfall is January. The month with the most snowfall days is January, when snow falls for 0.1 days.Daylight
In Roy, the average length of the day in January is 10h and 30min.On the first day of the month, sunrise is at 7:20 am and sunset at 5:37 pm. On the last day of January, in Roy, sunrise is at 7:16 am and sunset at 6:02 pm EST.
Sunshine
The average sunshine in January is 6.2h.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 4 in January leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Roy, FL
- Average high temperature in January: 65.8°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (65.8°F).
- Average low temperature in January: 48.2°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (48.2°F).
Average pressure in January
Roy, FL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in January
Roy, FL
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in January
Roy, FL
- Average humidity in January: 73%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
Roy, FL
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is March (0.47").
Average rainfall days in January
Roy, FL
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.7 days).
Average snowfall days in January
Roy, FL
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Roy, FL
- Average daylight in January: 10h and 30min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January: 6h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
Roy, FL
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Roy, FL
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in January
Roy, FL
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and July (Cloud cover 30).
Average visibility in January
Roy, FL
- 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).
