Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, marked by an average high-temperature of 66.7°F (19.3°C) and a low-temperature of 56.3°F (13.5°C), is the coldest month.Humidity
In January, the average relative humidity is 74%.Rainfall
In Treasure Island, in January, during 5.6 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Treasure Island, during the entire year, the rain falls for 122.3 days and collects up to 9.45" (240mm) of precipitation.Ocean temperature
January is the month with the coldest seawater in Treasure Island, with an average ocean temperature of 64°F (17.8°C).Note: A surface water temperature of 64°F (17.8°C) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 69.8°F (21°C).
Daylight
In Treasure Island, Florida, the average length of the day in January is 10h and 37min.On the first day of the month, sunrise is at 7:21 am and sunset at 5:47 pm. On the last day of January, sunrise is at 7:18 am and sunset at 6:10 pm EST.
Sunshine
The average sunshine in January is 7.4h.UV index
With an average maximum UV index of 4, January is the month with the lowest UV index in Treasure Island. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in January translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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
What month is the coldest?
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
What is the month with the coldest ocean?
What is the ocean temperature in January?
How many hours of daylight does Treasure Island have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Treasure Island have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Treasure Island, FL
- Average high temperature in January: 66.7°F
The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (66.7°F).
- Average low temperature in January: 56.3°F
The month with the highest average low temperature is August (80.6°F).
The coldest month (with the lowest average low temperature) is January (56.3°F).
Average pressure in January
Treasure Island, FL
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in January
Treasure Island, FL
- Average wind speed in January: 9.9mph
The windiest months (with the highest average wind speed) are January and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in January
Treasure Island, FL
- Average humidity in January: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Treasure Island, FL
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is March (0.12").
Average rainfall days in January
Treasure Island, FL
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is August (18.5 days).
The months with the least rainy days are January, February and March (5.6 days).
Average sea temperature in January
Treasure Island, FL
- Average sea temperature in January: 64°F
The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).
Average daylight in January /
Average sunshine in January
Treasure Island, FL
- Average daylight in January: 10h and 4min
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: 7h and 2min
The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in January
Treasure Island, FL
- Average sunshine days in January: 23.1 days
The month with the most sunshine days is March (24.3 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in January
Treasure Island, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in January
Treasure Island, FL
- Average cloud cover in January: 29
The months with the most cloud cover are January and December (Cloud cover 29).
The month with the least cloud cover is May (Cloud cover 20).
Average visibility in January
Treasure Island, 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).
Treasure Island, Florida, USA
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