January weather forecast
Jacksonville, FL

Water geysers at the fountain of Jacksonville in Florida, USA, with the cityscape
Water geysers at the fountain of Jacksonville in Florida, USA, with the cityscape

Weather in January

January, the same as December, is another enjoyable winter month in Jacksonville, Florida, with an average temperature varying between 63.1°F (17.3°C) and 47.8°F (8.8°C).

Temperature

With an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 47.8°F (8.8°C), January is the coldest month.

Humidity

The average relative humidity in January in Jacksonville, Florida, is 72%.

Rainfall

The month with the least rainfall in Jacksonville is January, when the rain falls for 9.9 days and typically collects 1.1" (28mm) of precipitation.

Snowfall

January through November are months without snowfall in Jacksonville.

Ocean temperature

January and February, with an average ocean temperature of 60.4°F (15.8°C), are months with the coldest seawater in Jacksonville.
Note: For swimming, a surface water temperature of 60.4°F (15.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In January, the average length of the day in Jacksonville is 10h and 27min.
On the first day of January in Jacksonville, sunrise is at 7:23 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:02 pm EST.

Sunshine

The average sunshine in January in Jacksonville is 6.1h.

UV index

With an average maximum UV index of 4, January is the month with the lowest UV index in Jacksonville, Florida. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in January interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the coldest month in Jacksonville?

The coldest month in Jacksonville, Florida, is January, with an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 47.8°F (8.8°C).

What is the temperature in January in Jacksonville?

In January, in Jacksonville, Florida, the average high-temperature is 63.1°F (17.3°C), and the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in January in Jacksonville?

In Jacksonville, Florida, the average relative humidity in January is 72%.

What is the driest month in Jacksonville?

January is the month with the least rainfall. Rain falls for 9.9 days and accumulates 1.1" (28mm) of precipitation.

How many days does it rain in January in Jacksonville?

In Jacksonville, in January, it is raining for 9.9 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Jacksonville?

January through November are months without snowfall in Jacksonville, Florida.

Does it snow in Jacksonville in January?

In January, in Jacksonville, it doesn't snow. December is the latest month when it typically snows.

What are the months with the coldest ocean in Jacksonville?

The months with the coldest seawater in Jacksonville, Florida, are January and February, with an average ocean temperature of 60.4°F (15.8°C).

What is the ocean temperature in January in Jacksonville?

In Jacksonville, the average seawater temperature in January is 60.4°F (15.8°C). For swimming, a surface water temperature of 60.4°F (15.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Jacksonville have in January?

In Jacksonville, the average day length in January is 10h and 27min.

What time are sunrise and sunset in January in Jacksonville?

On the first day of January in Jacksonville, sunrise is at 7:23 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:02 pm EST.

How many hours of sunshine does Jacksonville have in January?

The average sunshine duration in January in Jacksonville, Florida, is 6.1h.

When is the lowest UV index in Jacksonville?

January is the month with the lowest UV index in Jacksonville, with an average maximum UV index of 4.

What is the UV index reading in January in Jacksonville?

In Jacksonville, Florida, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Jacksonville, FL

Average temperature in January - Jacksonville, FL
  • Average high temperature in January: 63.1°F

The warmest months (with the highest average high temperature) are July and August (91.4°F).
The month with the lowest average high temperature is January (63.1°F).

  • Average low temperature in January: 47.8°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (47.8°F).

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Average pressure in January
Jacksonville, FL

Average pressure in January - Jacksonville, FL
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

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Average wind speed in January
Jacksonville, FL

Average wind speed in January - Jacksonville, FL
  • Average wind speed in January: 6.5mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in January
Jacksonville, FL

Average humidity in January - Jacksonville, FL
  • Average humidity in January: 72%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (69%).

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Average rainfall in January
Jacksonville, FL

Average rainfall in January - Jacksonville, FL
  • Average rainfall in January: 1.1"

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in January
Jacksonville, FL

Average rainfall days in January - Jacksonville, FL
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is November (9 days).

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Average snowfall days in January
Jacksonville, FL

Average snowfall days in January - Jacksonville, FL
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in January
Jacksonville, FL

Average sea temperature in January - Jacksonville, FL
  • Average sea temperature in January: 60.5°F

The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (60.4°F).

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Average daylight in January /
Average sunshine in January
Jacksonville, FL

Average daylight in January / Average sunshine in January - Jacksonville, FL
  • Average daylight in January: 10h and 27min

The month with the longest days is June (Average daylight: 14h and 4min).
The month with the shortest days is December (Average daylight: 10h and 14min).

  • Average sunshine in January: 6h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in January
Jacksonville, FL

Average sunshine days in January - Jacksonville, FL
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is August (6.3 days).

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Average UV index in January
Jacksonville, FL

Average UV index in January - Jacksonville, FL
  • Average UV index in January: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in January
Jacksonville, FL

Average cloud cover in January - Jacksonville, FL
  • Average cloud cover in January: 35

The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 27).

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Average visibility in January
Jacksonville, FL

Average visibility in January - Jacksonville, 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).

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