Weather in January
Temperature
January and February represent the coldest period, with an average high-temperature of 75.2°F (24°C).Rainfall
In Sunny Isles Beach, during January, the rain falls for 7 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Sunny Isles Beach, during the entire year, the rain falls for 135 days and collects up to 55.98" (1422mm) of precipitation.Ocean temperature
January through March, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater.Note: For those not fond of cold temperatures, taking a swim at 75.2°F (24°C) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
In January, the average length of the day is 10h and 44min.On the first day of January, sunrise is at 7:07 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:02 pm EST.
Sunshine
The months with the least sunshine are January, November and December, with an average of 7h of sunshine.UV index
In Sunny Isles Beach, the average daily maximum UV index in January is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 6 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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What is the UV index reading in January?
Average temperature in January
Sunny Isles Beach, FL
- Average high temperature in January: 75°F
The warmest months (with the highest average high temperature) are July and August (90°F).
The months with the lowest average high temperature are January and February (75°F).
- Average low temperature in January: 59°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (59°F).
Average rainfall in January
Sunny Isles Beach, FL
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is June (8.5").
The driest month (with the least rainfall) is December (2.1").
Average rainfall days in January
Sunny Isles Beach, FL
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is April (6 days).
Average sea temperature in January
Sunny Isles Beach, FL
- Average sea temperature in January: 75°F
The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest months (with the lowest average sea temperature) are January, February and March (75°F).
Average daylight in January /
Average sunshine in January
Sunny Isles Beach, FL
- Average daylight in January: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January: 7h
The months with the most sunshine are April, May and July (Average sunshine: 10h).
The months with the least sunshine are January, November and December (Average sunshine: 7h).
Average UV index in January
Sunny Isles Beach, FL
- Average UV index in January: 6
The months with the highest UV index are April, May, June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 5).
Sunny Isles Beach, Florida, USA
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