, with mild winters (though characterized by short cold waves) and hot, humid summers, during which there are quite frequent thunderstorms.
, near the Atlantic coast, on the banks of the St. Johns River.
of the coldest month (January) is of 12.3 °C (54.2 °F), that of the warmest month (July) is of 28.1 °C (82.5 °F).
, from December to February, is mild, but it is much colder than in South Florida and Miami.
The sun often shines, although there are periods characterized by clouds, rain and wind.
Normally the days are mild, but at night it is often cold, and the temperature can approach the freezing point.
There may be warm periods even in the middle of winter, when the temperature can reach or exceed 25 °C (77 °F).
, in which the temperature drops below freezing, usually down to -5/-6 °C (21/23 °F), while during the day it remains about 5/6 °C (41/43 °F).
Snow in Jacksonville is very rare. Occasionally, a light snowfall can be observed, but it takes decades to see the city in white. The snowfall of 23 December 1989 remains historic, also because the snow lasted until Christmas.
, from June to September, is hot and muggy. Due to high humidity the heat is sweltering, even though the breeze blows from the sea. The combination of humidity and temperature can produce a perceived temperature of 40 °C (104 °F) and above.
On the hottest days of the year, the temperature usually reaches 37/38 °C (99/100 °F). In recent decades, the record is 39.5 °C (103 °F), set in July 1981.
The sun often shines, but the sky is not always clear, as cloud coverings can form, which can give rise to thunderstorms.
or tropical storms. Hurricane season runs from June to November, although the period in which they are most likely is from August to October. Indeed, the city has been hit several times over the past few decades, albeit not in a destructive way. Hurricanes can cause extensive damage, especially along the coast.
, from March to May and from early October to late November, are pleasantly warm seasons, with infrequent rains. Spring is the sunniest season.
Sometimes there can be some bursts of cold air, especially in March and November, which generally bring a bit of cold especially at night.
In April and October it can exceed 30 °C (86 °F), while in May there is already often summer-like heat.
temperature ranges between 20 °C (68 °F) and 28.5 °C (83 °F). The sea is warm enough for swimming from May to November. In winter the sea is very cool, if not cold, although it is not impossible to swim in.
. Tornadoes are more likely in spring, and somewhat less in autumn, but in these southern latitudes, they can also occur in January and February.
To go to the beach, the weather in May is generally excellent, with fewer thunderstorms than in summer, however, it can sometimes get a little cold at night.
. Here are the average temperatures.
January, the coldest month of the year, is generally a mild month. The average temperature is of
12.3 °C, with a minimum of
6.1 °C and a maximum of
18.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-3.5 °C. However, it dropped to
-7.2 °C in January 2003.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
29.4 °C in January 2013.
Precipitation amounts to
85 mm, distributed over 8 days.
The day lasts on average 10 hours and 25 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
11.3 kph.
The average sea temperature is of
20.4 °C. Therefore, the sea is cool for swimming.
February is generally a mild month. The average temperature is of
14.2 °C, with a minimum of
7.8 °C and a maximum of
20.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-7.3 °C in February 1996.
On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
31.7 °C in February 2020.
Precipitation amounts to
75 mm, distributed over 8 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
11.7 kph.
The average sea temperature is of
19.8 °C. Therefore, the sea is very cool for swimming.
March is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
16.9 °C, with a minimum of
10.3 °C and a maximum of
23.5 °C.
On the coldest nights of the month, the temperature usually drops to around
0 °C. However, it dropped to
-3.9 °C in March 2002.
On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
34.4 °C in March 2020.
Precipitation amounts to
85 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 69%.
The average wind speed is of
12.6 kph.
The average sea temperature is of
19.8 °C. Therefore, the sea is very cool for swimming.
April is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
20.1 °C, with a minimum of
13.6 °C and a maximum of
26.6 °C.
On the coldest nights of the month, the temperature usually drops to around
5 °C. However, it dropped to
-0.6 °C in April 2007.
On the warmest days of the month, the temperature usually reaches around
32 °C. However, it reached
34.4 °C in April 1991.
Precipitation amounts to
75 mm, distributed over 6 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 69%.
The average wind speed is of
12 kph.
The average sea temperature is of
21.2 °C. Therefore, the sea is cool for swimming.
May is generally a warm to hot, muggy month. The average temperature is of
23.8 °C, with a minimum of
17.7 °C and a maximum of
29.9 °C.
On the coldest nights of the month, the temperature usually drops to around
10.5 °C. However, it dropped to
7.2 °C in May 1992.
On the warmest days of the month, the temperature usually reaches around
34.5 °C. However, it reached
37.8 °C in May 2019.
Precipitation amounts to
85 mm, distributed over 7 days.
The day lasts on average 13 hours and 40 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
11.4 kph.
The average sea temperature is of
24.2 °C. Therefore, the sea is warm enough for swimming.
June is generally a warm to hot, muggy month. The average temperature is of
26.8 °C, with a minimum of
21.5 °C and a maximum of
32.2 °C.
On the coldest nights of the month, the temperature usually drops to around
17 °C. However, it dropped to
13.8 °C in June 1995.
On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
38.9 °C in June 2010.
Precipitation amounts to
195 mm, distributed over 14 days.
The day lasts on average 14 hours and 5 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 9.5 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
10.3 kph.
The average sea temperature is of
27 °C. Therefore, the sea is pleasantly warm and allows long swims.
July, the hottest month of the year, is generally a very hot, muggy month. The average temperature is of
28.1 °C, with a minimum of
22.9 °C and a maximum of
33.3 °C.
On the coldest nights of the month, the temperature usually drops to around
20 °C. However, it dropped to
17.2 °C in July 2000.
On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
39.4 °C in July 2000.
Precipitation amounts to
170 mm, distributed over 14 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
9.5 kph.
The average sea temperature is of
28.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
August is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
23 °C and a maximum of
32.7 °C.
On the coldest nights of the month, the temperature usually drops to around
20 °C. However, it dropped to
17.2 °C in August 2002.
On the warmest days of the month, the temperature usually reaches around
35.5 °C. However, it reached
38.9 °C in August 1999.
Precipitation amounts to
175 mm, distributed over 15 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.
The average sea temperature is of
28.5 °C. Therefore, the sea is pleasantly warm and allows long swims.
September is generally a warm to hot, muggy month. The average temperature is of
26 °C, with a minimum of
21.4 °C and a maximum of
30.7 °C.
On the coldest nights of the month, the temperature usually drops to around
16 °C. However, it dropped to
11.1 °C in September 2009.
On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
36.7 °C in September 1999.
Precipitation amounts to
190 mm, distributed over 12 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
10.2 kph.
The average sea temperature is of
27.8 °C. Therefore, the sea is pleasantly warm and allows long swims.
October is generally a warm month. The average temperature is of
21.8 °C, with a minimum of
16.4 °C and a maximum of
27.2 °C.
On the coldest nights of the month, the temperature usually drops to around
7.5 °C. However, it dropped to
0.6 °C in October 2008.
On the warmest days of the month, the temperature usually reaches around
32 °C. However, it reached
34.4 °C in October 2018.
Precipitation amounts to
100 mm, distributed over 8 days.
The day lasts on average 11 hours and 25 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
10.3 kph.
The average sea temperature is of
25.7 °C. Therefore, the sea is warm enough for swimming.
November is generally a very mild month. The average temperature is of
16.8 °C, with a minimum of
10.7 °C and a maximum of
22.9 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-4.4 °C in November 2014.
On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
30.6 °C in November 2018.
Precipitation amounts to
50 mm, distributed over 7 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
10.4 kph.
The average sea temperature is of
23.1 °C. Therefore, the sea can be considered barely acceptable for swimming.
December is generally a mild month. The average temperature is of
13.7 °C, with a minimum of
7.7 °C and a maximum of
19.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-6.7 °C in December 2010.
On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
29.4 °C in December 2015.
Precipitation amounts to
70 mm, distributed over 8 days.
The day lasts on average 10 hours and 10 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 6 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
10.3 kph.
The average sea temperature is of
21.6 °C. Therefore, the sea is cool for swimming.