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 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 of the year, registering average temperatures as high as 65.8°F (18.8°C) and as low as 48.2°F (9°C).Humidity
The average relative humidity in January 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
January is the only month when snow falls. January has the most snowfall days of the year. Snow falls for 0.1 days.Daylight
In January, the average length of the day in Roy 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, sunrise is at 7:16 am and sunset at 6:02 pm EST.
Sunshine
In Roy, Florida, the average sunshine in January is 6.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in January transforms into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. To avoid the Sun's strongest rays, limit exposure around the mid-day period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the coldest month in Roy?
What is the average January temperature in Roy?
What is the average humidity in January in Roy?
How many days does it rain in January in Roy?
What is the snowiest month in Roy?
When does it start snowing in Roy?
How many hours of daylight does Roy have in January?
What time are sunrise and sunset in January in Roy?
How long on average sun shines in January in Roy?
What is the month with the lowest UV index in Roy?
How high is the UV index in January in Roy?
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 3min
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 1min
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).
Roy, Florida, USA
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