Jacksonville Weather in January

With daytime temperatures of 18°C (64°F) and nighttime lows of 5°C (41°F), January in Jacksonville brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 84 mm (3.3 in) falls on average.

Rainfall in Jacksonville in January

You can typically expect 10 days of rain this month, averaging around 84 mm (3.3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Jacksonville in January

If you're visiting Jacksonville in January, expect highs of 18°C (64°F) and overnight lows around 5°C (41°F). Winter occurs in January. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. The weather this month is milder than usual, but still provides a warm and pleasant atmosphere.

Sunshine in Jacksonville in January

The month brings about 188 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Jacksonville in January

Wind speeds average 4 m/s (8 knots) during January. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in January

The water temperature is 18°C (64°F). It's not warm, but most people find it perfectly fine for a swim once they're in.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. February, March, April, October, November and December typically offer the best weather for Jacksonville.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Jacksonville's climate page.

Jacksonville Temperature in January

Min Temperature 5°C (41°F)  

Max Temperature 18°C (64°F)  

Water Temperature 18°C (64°F)  

Chance of Rain 33%  

Precipitation 84 mm (3.3 in)  

Rainy days 10 days  

Humidity 65%  

Windspeed 4 m/s (8 knots)  

Sunshine 188 hours  

Percentage Sunshine 59%  

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Jacksonville typically stay consistent throughout January, with daily highs averaging around 18°C (64°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 9°C (48°F).

Average temperatures in January

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Jacksonville in January

Browse day-by-day weather records for Jacksonville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Jacksonville historical weather extremes in January

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Jacksonville.

• On January 30, 2023, temperatures climbed to 30°C (86°F), marking the warmest January day on record.

What to Wear in Jacksonville in January

Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 18°C (64°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Jacksonville in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Jacksonville's climate page.

More climate data for Jacksonville

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Jacksonville climate overview or explore weather in the United States of America.