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, known for its average high temperature of 68.5°F (20.3°C) and an average low temperature of 56.1°F (13.4°C), is the coldest month.Humidity
In Longboat Key, the average relative humidity in January is 73%.Rainfall
In Longboat Key, Florida, during January, the rain falls for 8.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Longboat Key, during the entire year, the rain falls for 183.1 days and collects up to 34.92" (887mm) of precipitation.Ocean temperature
The month with the coldest seawater is January, with an average ocean temperature of 64°F (17.8°C).Note: In 64°F (17.8°C), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 69.8°F (21°C).
Daylight
In January, the average length of the day is 10h and 38min.On the first day of the month, sunrise is at 7:20 am and sunset at 5:47 pm. On the last day of January, sunrise is at 7:17 am and sunset at 6:10 pm EST.
Sunshine
The average sunshine in January is 7.3h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during January leads to these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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 many days does it rain in January?
When is the ocean coldest?
What is the ocean temperature in January?
How many hours of daylight does Longboat Key have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Longboat Key have in January?
When is the lowest UV index in Longboat Key?
What is the UV index reading in January?
Average temperature in January
Longboat Key, FL
- Average high temperature in January: 68.5°F
The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in January: 56.1°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure in January
Longboat Key, 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 (29.95"Hg).
Average wind speed in January
Longboat Key, FL
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in January
Longboat Key, FL
- Average humidity in January: 73%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).
Average rainfall in January
Longboat Key, FL
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in January
Longboat Key, FL
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).
Average sea temperature in January
Longboat Key, FL
- Average sea temperature in January: 64.1°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 (64.1°F).
Average daylight in January /
Average sunshine in January
Longboat Key, FL
- Average daylight in January: 10h and 4min
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 24min).
- Average sunshine in January: 7h and 2min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in January
Longboat Key, FL
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in January
Longboat Key, 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
Longboat Key, FL
- Average cloud cover in January: 30
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 22).
Average visibility in January
Longboat 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).
Longboat Key, Florida, USA
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