The city is located on the northern coast of Tunisia, a short distance from the border with Algeria.
With 1,000 millimeters (40 inches) of rain per year, Tabarka is the rainiest city in Tunisia.
Although winter is mild, there can sometimes be cold periods, during which the temperature can remain below 10 °C (50 °F) during the day.
Every now and then, as in January 1985, January and February 1999, January 2005 and February 2012, it can even snow, however, snow is more frequent on the nearby hills covered with woods. Around 20 km (12 mi) south of Tabarka and 700 meters (2,300 ft) above sea level is a town, Aïn Draham, where heavy snowfalls can occur.
In summer, during invasions of hot air from the desert, which have become more frequent in recent years, the temperature can exceed 40 °C (104 °F). The heat record is 48.3 °C (119 °F), set in August 2021. In July 2023 it reached 47 °C (116.5 °F), while in August 1994 the average maximum was 36.5 °C (97.7 °F).
. Here are the average temperatures.
January, the coldest month of the year, is generally a mild month. The average temperature is of
11.7 °C, with a minimum of
7.5 °C and a maximum of
15.9 °C.

On the coldest nights of the month, the temperature usually drops to around
2.5 °C.

On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
28.6 °C in January 1996.

Precipitation amounts to
145 mm, distributed over 13 days.
The day lasts on average 10 hours and 0 minutes.

There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
14.9 kph.

The average sea temperature is of
15.5 °C. Therefore, the sea is cold for swimming.
February is generally a mild month. The average temperature is of
11.7 °C, with a minimum of
7.4 °C and a maximum of
16.1 °C.

On the coldest nights of the month, the temperature usually drops to around
1.5 °C.

On the warmest days of the month, the temperature usually reaches around
23 °C. However, it reached
28 °C in February 1994.

Precipitation amounts to
120 mm, distributed over 10 days.
The day lasts on average 10 hours and 55 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
15.7 kph.

The average sea temperature is of
14.8 °C. Therefore, the sea is cold for swimming.
March is generally a mild month. The average temperature is of
13.8 °C, with a minimum of
9 °C and a maximum of
18.6 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C.

On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
36.6 °C in March 2001.

Precipitation amounts to
100 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
15.6 kph.

The average sea temperature is of
14.9 °C. Therefore, the sea is cold for swimming.
April is generally a very mild month. The average temperature is of
16.1 °C, with a minimum of
11.1 °C and a maximum of
21.1 °C.

On the coldest nights of the month, the temperature usually drops to around
5 °C.

On the warmest days of the month, the temperature usually reaches around
31 °C. However, it reached
37 °C in April 2003.

Precipitation amounts to
65 mm, distributed over 12 days.
The day lasts on average 13 hours and 10 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is of
15.3 kph.

The average sea temperature is of
16 °C. Therefore, the sea is cold for swimming.
May is generally a warm month. The average temperature is of
19.5 °C, with a minimum of
14.1 °C and a maximum of
24.9 °C.

On the coldest nights of the month, the temperature usually drops to around
8 °C.

On the warmest days of the month, the temperature usually reaches around
35.5 °C. However, it reached
41.4 °C in May 1999.

Precipitation amounts to
40 mm, distributed over 6 days.
The day lasts on average 14 hours and 10 minutes. So the days are long.

There are on average 8 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 67%.
The average wind speed is of
14 kph.

The average sea temperature is of
18.2 °C. Therefore, the sea is cold for swimming.
June is generally a warm to hot month. The average temperature is of
23.1 °C, with a minimum of
17.3 °C and a maximum of
29 °C.

On the coldest nights of the month, the temperature usually drops to around
12 °C.

On the warmest days of the month, the temperature usually reaches around
40 °C. However, it reached
47.1 °C in June 2007.

Precipitation amounts to
15 mm, distributed over 2 days.
The day lasts on average 14 hours and 40 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 64% of the time.
The average humidity is 64%.
The average wind speed is of
12.6 kph.

The average sea temperature is of
21.5 °C. Therefore, the sea is cool for swimming.
July is generally a warm to hot month. The average temperature is of
25.9 °C, with a minimum of
20 °C and a maximum of
31.7 °C.

On the coldest nights of the month, the temperature usually drops to around
14.5 °C.

On the warmest days of the month, the temperature usually reaches around
42.5 °C. However, it reached
46.5 °C in July 1993.

Precipitation amounts to only
5.2 mm, and all occurs in one day.
The day lasts on average 14 hours and 25 minutes. So the days are long.

There are on average 10 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 62%.
The average wind speed is of
12.7 kph.

The average sea temperature is of
24.5 °C. Therefore, the sea is warm enough for swimming.
August, the hottest month of the year, is generally a warm to hot month. The average temperature is of
26.6 °C, with a minimum of
20.8 °C and a maximum of
32.3 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C.

On the warmest days of the month, the temperature usually reaches around
42 °C. However, it reached
48.4 °C in August 1999.

Precipitation amounts to
10.8 mm, distributed over 2 days.
The day lasts on average 13 hours and 30 minutes.

There are on average 9.5 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 63%.
The average wind speed is of
11.9 kph.

The average sea temperature is of
26 °C. Therefore, the sea is warm enough for swimming.
September is generally a warm to hot month. The average temperature is of
24 °C, with a minimum of
18.9 °C and a maximum of
29.1 °C.

On the coldest nights of the month, the temperature usually drops to around
13.5 °C.

On the warmest days of the month, the temperature usually reaches around
38 °C. However, it reached
42.4 °C in September 2008.

Precipitation amounts to
80 mm, distributed over 7 days.
The day lasts on average 12 hours and 25 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 68%.
The average wind speed is of
11.9 kph.

The average sea temperature is of
25 °C. Therefore, the sea is warm enough for swimming.
October is generally a warm month. The average temperature is of
20.8 °C, with a minimum of
15.7 °C and a maximum of
25.9 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C.

On the warmest days of the month, the temperature usually reaches around
34.5 °C. However, it reached
39.2 °C in October 2013.

Precipitation amounts to
115 mm, distributed over 8 days.
The day lasts on average 11 hours and 10 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
11.8 kph.

The average sea temperature is of
22.7 °C. Therefore, the sea can be considered barely acceptable for swimming.
November is generally a very mild month. The average temperature is of
16.2 °C, with a minimum of
11.8 °C and a maximum of
20.7 °C.

On the coldest nights of the month, the temperature usually drops to around
6.5 °C.

On the warmest days of the month, the temperature usually reaches around
28 °C. However, it reached
31.1 °C in November 2014.

Precipitation amounts to
150 mm, distributed over 13 days.
The day lasts on average 10 hours and 10 minutes.

There are on average 4 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
13.3 kph.

The average sea temperature is of
19.7 °C. Therefore, the sea is very cool for swimming.
December is generally a mild month. The average temperature is of
13 °C, with a minimum of
8.8 °C and a maximum of
17.1 °C.

On the coldest nights of the month, the temperature usually drops to around
3 °C.

On the warmest days of the month, the temperature usually reaches around
23 °C. However, it reached
28.1 °C in December 2010.

Precipitation amounts to
160 mm, distributed over 14 days.
The day lasts on average 9 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
14.8 kph.

The average sea temperature is of
17 °C. Therefore, the sea is cold for swimming.