January weather forecastStuart, FL
January
Weather in January
January, the same as December, in Stuart, Florida, is an agreeable winter month, with an average temperature fluctuating between 61.2°F (16.2°C) and 71.4°F (21.9°C).Temperature
Stuart's coldest weather arrives in January, when temperatures average a high of 71.4°F (21.9°C) and a low of 61.2°F (16.2°C).Humidity
In Stuart, the average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 7.9 days and accumulates 0.39" (10mm) of precipitation.Ocean temperature
The months with the coldest seawater are January and February, with an average ocean temperature of 73.4°F (23°C).Note: The allure of a swim in 73.4°F (23°C) waters can be influenced by your feelings towards the cold, today's sunshine, the wind's touch, and the ambient warmth. To put it in perspective, Olympic standards demand water temperatures of 77°F (25°C) to 82.4°F (28°C).
Daylight
The average length of the day in January is 10h and 39min.On the first day of the month, sunrise is at 7:10 am and sunset at 5:38 pm. On the last day of January, sunrise is at 7:07 am and sunset at 6:01 pm EST.
Sunshine
January and December, with an average of 6.1h of sunshine, are months with the least sunshine in Stuart.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 5 in January, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice! Sand and water reflections contribute to a stronger UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Stuart, FL
- Average high temperature in January: 71.4°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 (71.4°F).
- Average low temperature in January: 61.2°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (61.2°F).
Average pressure in January
Stuart, 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
Stuart, FL
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are January, March and November (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in January
Stuart, FL
- Average humidity in January: 73%
The months with the highest relative humidity are June and August (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
Stuart, FL
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in January
Stuart, FL
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is February (7.7 days).
Average sea temperature in January
Stuart, FL
- Average sea temperature in January: 73.4°F
The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).
Average daylight in January /
Average sunshine in January
Stuart, FL
- Average daylight in January: 10h and 42min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January: 6h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in January
Stuart, FL
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (3.4 days).
Average UV index in January
Stuart, 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 and December (UV index 5).
Average cloud cover in January
Stuart, FL
- Average cloud cover in January: 34
The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are May and July (Cloud cover 26).
Average visibility in January
Stuart, 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).





