January weather forecast
Dismal Key, FL

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Weather in January

January, the same as December, in Dismal Key, Florida, is an agreeable winter month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 59.5°F (15.3°C).

Temperature

Dismal Key's January weather, marked by an average high temperature of 71.6°F (22°C) and an average low temperature of 59.5°F (15.3°C), is the coldest in the year.

Humidity

The average relative humidity in January in Dismal Key, Florida, 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 January, the average length of the day in Dismal Key is 10h and 44min.
On the first day of January in Dismal Key, 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

In Dismal Key, the average sunshine in January is 7.4h.

UV index

January and February, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In January, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Dismal Key?

Dismal Key's coldest month, January, registers temperatures that range from a high of 71.6°F (22°C) to a low of 59.5°F (15.3°C).

What are the temperatures in Dismal Key in January?

The high-temperature, in January, in Dismal Key, records 71.6°F (22°C), while the low-temperature is 59.5°F (15.3°C).

What is the average humidity in January in Dismal Key?

The average relative humidity in January in Dismal Key, Florida, is 74%.

How much does it rain in Dismal Key in January?

In Dismal Key, Florida, in January, during 7.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

How many hours of daylight does Dismal Key have in January?

In January, the average day length in Dismal Key is 10h and 44min.

When is the sunrise / sunset in January in Dismal Key?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 5:46 pm. On the last day of the month, in Dismal Key, sunrise is at 7:10 am and sunset at 6:08 pm EST.

How many hours of sunshine does Dismal Key have in January?

The average sunshine duration in January in Dismal Key, Florida, is 7.4h.

What are the months with the lowest UV index in Dismal Key?

January and February, with an average maximum UV index of 5, are months with the lowest UV index in Dismal Key, Florida.

What is the UV index intensity in January in Dismal Key?

In January, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Dismal Key, FL

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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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