World Resorts USA Jacksonville Weather

Jacksonville weather in January

Weather in Jacksonville: January

Average day temperature: 62.0°F
Average night temperature: 52.3°F
Sea water temperature: 60.2°F
Number of sunny days: 14 days
Day length: 10.2 - 10.7 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 71°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during January were 55.8°F and 46.2°F.

Sea water temperature in Jacksonville in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 56.2°F. The highest and lowest sea temperatures during the month were 59.9°F and 50.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Jacksonville in January is 1.4 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 7.1 mph It makes January one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 6.5.

Best time for vacation in Jacksonville

Sunniest months:
May 16 days
April 16 days
March 14 days
Warmest months:
July 91.5 °F
August 90.8 °F
June 89.2 °F
Warmest sea temp:
August 82.9 °F
September 82.4 °F
July 82.3 °F
Coldest months:
January 62.0 °F
December 66.9 °F
February 67.4 °F
Rainiest months:
August 9 days
June 8 days
July 8 days
Windiest months:
April 8.2 mph
March 7.8 mph
October 7.7 mph

Jacksonville on a weather map

Jacksonville
+57°F
W 5 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Jacksonville
Local time: 22:34
December 05, friday
0000
57°F
W
5 mph
0300
57°F
NW
2 mph
0600
61°F
N
4 mph
0900
64°F
N
6 mph
1200
72°F
NE
9 mph
1500
77°F
NE
10 mph
1800
75°F
NE
9 mph
2100
73°F
S
9 mph
Units of measurement: °C / °F