Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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.
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.
Pick a month to see the average temperature, rainfall and sunshine in Jacksonville - and find the best time to visit.
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).
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Jacksonville.
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Jacksonville climate overview or explore weather in the United States of America.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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