January weather forecastMayport, FL
January
Weather in January
January, like December, in Mayport, Florida, is another enjoyable winter month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 62.6°F (17°C).Temperature
Mayport's coldest temperatures are experienced in January, with average high temperatures of 62.6°F (17°C) and lows of 50.2°F (10.1°C).Humidity
In January, the average relative humidity is 72%.Rainfall
January is the month with the least rainfall. Rain falls for 10.1 days and accumulates 1.3" (33mm) of precipitation.Snowfall
Months with snowfall in Mayport are January, February, September and December. The months with the most snowfall days are January, February, September and December, with an average of 0.1 snowfall days.Daylight
The average length of the day in January is 10h and 27min.On the first day of the month, sunrise is at 7:22 am and sunset at 5:35 pm. On the last day of January, in Mayport, sunrise is at 7:17 am and sunset at 6:01 pm EST.
Sunshine
January and December, with an average of 5.8h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during January translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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
Average temperature in January
Mayport, FL
- Average high temperature in January: 62.6°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 (62.6°F).
- Average low temperature in January: 50.2°F
The month with the highest average low temperature is August (78.3°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).
Average pressure in January
Mayport, FL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are August and September (29.98"Hg).
Average wind speed in January
Mayport, FL
- Average wind speed in January: 8.5mph
The windiest months (with the highest average wind speed) are January, March, April, October and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in January
Mayport, FL
- Average humidity in January: 72%
The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is March (71%).
Average rainfall in January
Mayport, FL
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is August (5.12").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in January
Mayport, FL
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (9.8 days).
Average snowfall days in January
Mayport, FL
- Average snowfall days in January: 0.1 days
The months with the highest number of snowfall days are January, February, September and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in January /
Average sunshine in January
Mayport, FL
- Average daylight in January: 10h and 24min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in January
Mayport, FL
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in January
Mayport, FL
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in January
Mayport, FL
- Average cloud cover in January: 35
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in January
Mayport, 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).





