January weather forecastSummerland Key, FL
January
Weather in January
January, like December, is another pleasant winter month in Summerland Key, Florida, with an average temperature varying between 72.7°F (22.6°C) and 68.5°F (20.3°C).Temperature
Summerland Key's temperature records reveal January as the coldest month, marked by average highs of 72.7°F (22.6°C) and lows of 68.5°F (20.3°C).Humidity
The average relative humidity in January is 76%.Rainfall
In Summerland Key, in January, during 10.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Summerland Key, during the entire year, the rain falls for 171.1 days and collects up to 21.54" (547mm) of precipitation.Daylight
The average length of the day in January is 10h and 49min.On the first day of the month, sunrise is at 7:10 am and sunset at 5:48 pm. On the last day of January, sunrise is at 7:08 am and sunset at 6:10 pm EST.
Sunshine
In January, the average sunshine is 7.2h.UV index
The month with the lowest UV index is January, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in January converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Summerland Key, FL
- Average high temperature in January: 72.7°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).
- Average low temperature in January: 68.5°F
The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).
Average pressure in January
Summerland Key, FL
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).
Average wind speed in January
Summerland Key, FL
- Average wind speed in January: 14.3mph
The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).
Average humidity in January
Summerland Key, FL
- Average humidity in January: 76%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall in January
Summerland Key, FL
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in January
Summerland Key, FL
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).
Average daylight in January /
Average sunshine in January
Summerland Key, FL
- Average daylight in January: 10h and 48min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in January: 7h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in January
Summerland Key, FL
- Average sunshine days in January: 17 days
The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).
Average UV index in January
Summerland Key, FL
- Average UV index in January: 5
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in January
Summerland Key, FL
- Average cloud cover in January: 34
The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in January
Summerland Key, 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).





