Climate and monthly weather forecastSfax, Tunisia
Climate and monthly weather forecast
The climate of Sfax
Sfax, the second-largest city in Tunisia, finds itself in the Köppen Subtropical Steppe climate zone. This classification, indicated as BSh, influences the weather conditions in the city. A subtle distinction sets the stage for mild winters and hot, dry summers typical of the Subtropical Steppe climate.Significant changes occur in the temperature throughout the year, with the coldest month being January at 5.8°C (42.4°F) and the warmest month presenting itself in August with an average of 32.2°C (90°F). Rainfall, however, it follows a different pattern, with the wettest month being October, recording an average rainfall of 56mm (2.2"). The driest month, July, records a meagre 2mm (0.08") of rainfall.
A distinct pattern is also present in the sea temperature, which ranges from a cooler 14.5°C (58.1°F) in February to a warm 27.7°C (81.9°F) in August. The annual daylight and sunshine hours reveal a decreasing trend from January to December, with the longest day recorded in June with 14.5 hours and the most sunshine hours unfold in July, with 12.2 hours.
The best time to visit Sfax
The pleasant weather of Sfax best manifests itself in the months of April and May, with average high temperatures hovering around 21.8°C (71.2°F) to 25.4°C (77.7°F). These months also experience fewer rainfall days, making it an excellent time to explore the city's rich history and cultural landmarks unhindered by weather setbacks.Furthermore, the sea temperatures during these months range between 17.2°C (63°F) and 20°C (68°F), presenting favourable conditions for water-based activities. The level of humidity is also manageable, presenting an average of 62% and 63% for April and May respectively.
The worst time to visit Sfax
The month of July might not be favourable for tourists due to the extreme weather conditions. The average high temperature peaks at 32°C (89.6°F), coupled with a minimum amount of rainfall, resulting in a hot and dry climate. The sea temperature does rise to 26.5°C (79.7°F) but may not serve as equal reward for braving the heat in July.Another month of harsh weather condition in Sfax is October where the average rainfall significantly increases to 56mm (2.2") over a period of 4 days, marking it as the wettest month. This may result in unfavorable outdoor conditions and interrupt travel plans.
Spring weather in Sfax
Sfax experiences Spring from March to May. The high temperatures during this period start from 19.5°C (67.1°F) in March and rise to 25.4°C (77.7°F) in May. On the other hand, low temperatures climb from 8.4°C (47.1°F) in March to 14.4°C (57.9°F) in May. It indicates a slow but steady increase in the warmness of the weather.Rainfall during the spring months decreases from 23mm (0.91") in March to just 9mm (0.35") in May, spread over three to two days respectively. Sea temperatures also follow an ascending trend from 15.2°C (59.4°F) in March to 20°C (68°F) in May.
Summer weather in Sfax
Summers in Sfax, spanning from June to August, bring higher temperatures and reduced rainfall. June records average high temperatures of 28.9°C (84°F), progressing to 32.2°C (90°F) in August. The low temperatures rise too, from 17.8°C (64°F) in June to 21.1°C (70°F) in August.The rainfall reduces considerably during this period, with an absolute minimum in July and marginally more rain in August, around 6mm (0.24"). The rise in sea temperature complements the rising temperatures on the mainland, with the sea reaching up to 27.7°C (81.9°F) in August.
Autumn weather in Sfax
Autumn, from September to November in Sfax, is marked by a gradual decrease in temperatures. High temperatures drop from 29.8°C (85.6°F) in September to 21.4°C (70.5°F) in November, while low temperatures follow suit, reducing from 19.8°C (67.6°F) to 10.6°C (51.1°F).Despite the falling temperatures, rainfall remarkably increases, from 24mm (0.94") in September to 23mm (0.91") in November. The sea temperature also slowly retreats from the height of the summer, cooling from 27°C (80.6°F) in September to 22.3°C (72.1°F) in November.
Winter weather in Sfax
Winter in Sfax lasts from December to February and is characteristic of milder temperatures. High temperatures during these months take a downslide from 17.6°C (63.7°F) in December to 16.7°C (62.1°F) in February. Contrastingly, low temperatures show a quick drop in December to 6.7°C (44.1°F) and then, a slow rise back to 6.5°C (43.7°F) in February.Rainfall fluctuates between the months but maintains an overall increased pattern with 29mm (1.14") in December and 19mm (0.75") in February. Although sea temperatures fall during the winter, recorded at 18.4°C (65.1°F) in December reducing to 14.5°C (58.1°F) in February, it appears warmer compared to winter sea temperatures in many other places.
Weather in January
January is the time of year when the city of Sfax, Tunisia, experiences cooler temperatures. The month starts with cold nights as the mercury drops to 5.8°C (42.4°F), and warmth peaks modestly at 16.7°C (62.1°F) during the day. Weather in January »Weather in February
The winter season in Sfax continues into February with a slight increase in temperature when compared to January. The temperatures fluctuate from 6.5°C (43.7°F) to 18°C (64.4°F). Rainfall reduces to 19mm (0.75"), continuing to keep February relatively dry. Weather in February »Weather in March
March marks the onset of spring in Sfax. A notable temperature bounce is observed with lows and highs varying between 8.4°C (47.1°F) and 19.5°C (67.1°F). The rainfall remains almost similar to February with 23mm (0.91") spread across four days. Weather in March »Weather in April
The city basks in the full swing of spring during April, with temperatures and daylight gradually increasing. In this month, temperatures surge from 11°C (51.8°F) to 21.8°C (71.2°F). The weather remains predominantly dry, with rainfall slashing further down to 18mm (0.71") merely over three days. Weather in April »Weather in May
In May, Sfax starts feeling the heat of the approaching summer season. With temperatures soaring from 14.4°C (57.9°F) to 25.4°C (77.7°F), the air becomes noticeably warmer. Also, rainfall dips significantly to an average of 9mm (0.35") over two days, leading to drier conditions. Weather in May »Weather in June
With the arrival of June, Sfax firmly steps into its summer season. The temperature range increases from 17.8°C (64°F) to 28.9°C (84°F), marking one of the warmest months of the year. Rainfall almost becomes a rarity with a mere 4mm (0.16") drizzle across one day. Weather in June »Weather in July
Sfax enjoys the zenith of summer in July, with the highest maximum temperature of 32°C (89.6°F) and a warm minimum of 19.9°C (67.8°F). The city continues to experience its ongoing dry spell with almost no rainfall, resulting in a total of 2mm (0.08") throughout the month. Weather in July »Weather in August
In August, Sfax continues to sizzle under the summer heat. The temperature gradient elevates a bit further from 21.1°C (70°F) to 32.2°C (90°F). An insignificant increase in rainfall to 6mm (0.24") does not sufficiently alter the persisting dry weather conditions. Weather in August »Weather in September
As September arrives, Sfax starts transitioning from summer heat to a more comfortable phase. Interestingly, the temperatures drop from 19.8°C (67.6°F) to 29.8°C (85.6°F). September also marks the return of rain with 24mm (0.94") falling across two days. Weather in September »Weather in October
October observes a significant shift in weather in Sfax, with temperatures cooling from 16.1°C (61°F) to 26°C (78.8°F). Rainfall also escalates to its yearly peak in October, with the city receiving 56mm (2.2") throughout the month. Weather in October »Weather in November
In November, the weather in Sfax continues to cool down further. The month's temperature varies from 10.6°C (51.1°F) in the chilly mornings and evenings to 21.4°C (70.5°F) in the sunny afternoons. November sees reduced rainfall to 23mm (0.91") over three days, slightly easing the city from October’s heavy downpours. Weather in November »Weather in December
December marks the arrival of winter in Sfax, with temperatures dipping from 6.7°C (44.1°F) to 17.6°C (63.7°F). Rainfall swells slightly to 29mm (1.14"), distributed over four days, contributing to the damp chill in the air. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sfax, Tunisia
The warmest month (with the highest average high temperature) is August (32.2°C).
The month with the lowest average high temperature is January (16.7°C).
The month with the highest average low temperature is August (21.1°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).
Average humidity
Sfax, Tunisia
The months with the highest relative humidity are October and December (66%).
The month with the lowest relative humidity is July (59%).
Average rainfall
Sfax, Tunisia
- Average rainfall in January:
22.7mm - Average rainfall in February:
19.4mm - Average rainfall in March:
23.3mm - Average rainfall in April:
17.6mm - Average rainfall in May:
9.2mm - Average rainfall in June:
4.4mm
- Average rainfall in July:
1.8mm - Average rainfall in August:
5.6mm - Average rainfall in September:
24.1mm - Average rainfall in October:
56.4mm - Average rainfall in November:
22.9mm - Average rainfall in December:
29.3mm
The wettest month (with the highest rainfall) is October (56.4mm).
The driest month (with the least rainfall) is July (1.8mm).
Average rainfall days
Sfax, Tunisia
- Average rainfall days in January:
4 days - Average rainfall days in February:
4 days - Average rainfall days in March:
4 days - Average rainfall days in April:
3 days - Average rainfall days in May:
2 days - Average rainfall days in June:
1 days
- Average rainfall days in July:
0 days - Average rainfall days in August:
1 days - Average rainfall days in September:
2 days - Average rainfall days in October:
4 days - Average rainfall days in November:
3 days - Average rainfall days in December:
4 days
The months with the highest number of rainy days are January, February, March, October and December (4 days).
The month with the least rainy days is July (0 days).
Average sea temperature
Sfax, Tunisia
The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (14.5°C).
Average daylight / Average sunshine
Sfax, Tunisia
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 24min - Average sunshine in February:
7h and 12min - Average sunshine in March:
7h and 42min - Average sunshine in April:
8h and 36min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
11h and 12min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 48min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average UV index
Sfax, Tunisia
The months with the highest UV index are June, July and August (UV index 10).
The month with the lowest UV index is December (UV index 2).





