January weather forecastSebastian, FL

January
Weather in January
January, like December, is an agreeable winter month in Sebastian, Florida, with an average temperature varying between 69.4°F (20.8°C) and 59.7°F (15.4°C).Temperature
January, with its average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 59.7°F (15.4°C), holds the record as the coldest month.Humidity
In Sebastian, the average relative humidity in January is 73%.Rainfall
In January, in Sebastian, the rain falls for 11.3 days. Throughout January, 1.38" (35mm) of precipitation is accumulated. In Sebastian, during the entire year, the rain falls for 205.2 days and collects up to 38.31" (973mm) of precipitation.Daylight
In Sebastian, the average length of the day in January is 10h and 37min.On the first day of January, sunrise is at 7:12 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:01 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in January suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Sebastian, FL
- Average high temperature in January: 69.4°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (69.4°F).
- Average low temperature in January: 59.7°F
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (59.7°F).
Average pressure in January
Sebastian, FL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in January
Sebastian, FL
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in January
Sebastian, FL
- Average humidity in January: 73%
The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in January
Sebastian, FL
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is August (6.89").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in January
Sebastian, FL
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is February (10.4 days).
Average daylight in January /
Average sunshine in January
Sebastian, FL
- Average daylight in January: 10h and 36min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in January: 5h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in January
Sebastian, FL
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (3.9 days).
Average UV index in January
Sebastian, FL
- Average UV index in January: 5
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, February and December (UV index 5).
Average cloud cover in January
Sebastian, FL
- Average cloud cover in January: 35
The month with the most cloud cover is November (Cloud cover 36).
The months with the least cloud cover are May, July and August (Cloud cover 27).
Average visibility in January
Sebastian, 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).





