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 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
In Dismal Key, January is the month with the lowest recorded average temperatures, measuring a high of 71.6°F (22°C) and a low of 59.5°F (15.3°C).Humidity
In Dismal Key, the average relative humidity in January is 74%.Rainfall
In January, the rain falls for 7.7 days. Throughout January, 0.83" (21mm) of precipitation is accumulated. In Dismal Key, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.Daylight
In Dismal Key, the average length of the day in January is 10h and 44min.On the first day of January, sunrise is at 7:12 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:08 pm EST.
Sunshine
The average sunshine in January is 7.4h.UV index
The months with the lowest UV index are January and February, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during January leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What are January temperatures?
What is the average humidity in January?
How many days does it rain in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Dismal Key have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Dismal Key, FL
- Average high temperature in January: 71.6°F
The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).
- Average low temperature in January: 59.5°F
The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in January
Dismal Key, FL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).
Average wind speed in January
Dismal Key, FL
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in January
Dismal Key, FL
- Average humidity in January: 74%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).
Average rainfall in January
Dismal Key, FL
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in January
Dismal Key, FL
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).
Average daylight in January /
Average sunshine in January
Dismal Key, 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 36min).
- Average sunshine in January: 7h and 2min
The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Dismal Key, FL
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in January
Dismal Key, 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 February (UV index 5).
Average cloud cover in January
Dismal Key, FL
- Average cloud cover in January: 28
The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).
Average visibility in January
Dismal 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).
Dismal Key, Florida, USA
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