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United StatesThe weather in January in Jacksonville
It's cool to moderate in January in Jacksonville with an average temperature of 18°C. Temperatures this month range from a low of 14°C to a high of 23°C. At night, you can expect temperatures between 4°C and 14°C.
Looking for sun? January isn’t a good month to be in Jacksonville. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Jacksonville, Florida. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 30°C in 2023, Jacksonville reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 4°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -5°C to a highest value of 21°C.
Rainfall amount
In January, there is an average of 123 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in January for Jacksonville
Click on any day in January to get detailed info about the usual weather on that day in Jacksonville. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Jacksonville | New York | |
|---|---|---|
| Average temperature | 18°C | 5°C |
| Max. temperature | 23°C | 11°C |
| Min. temperature | 4°C | -5°C |
| Total precipitation | 123 mm | 97 mm |
| Rainy days | 14 days | 12 days |
Start of January
The month of January starts in Jacksonville with mild temps, averaging around 18°C during the day and nights around 8°C.
Mid January
By mid-January, daytime temps rise to around 19°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of January
By the end of January, the average daytime temperature in Jacksonville is around 18°C, while nighttime temps are about 9°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
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Temperature charts
These charts show the average temperatures in January in Jacksonville, Florida. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Jacksonville
Temperature in January in Jacksonville over the years
Precipitation charts
These charts show the average amount of precipitation in January in Jacksonville, Florida. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Jacksonville
Total precipitation in January in Jacksonville over the years
Daily UV index in January in Jacksonville
This chart shows the average daily UV index in January in Jacksonville, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in January in Jacksonville
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Average weather in Jacksonville by month
Click on a month below to see detailed weather info for Jacksonville. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.