Climate and monthly weather forecastAriana, Tunisia
Climate and monthly weather forecast
The climate of Ariana
Situated within the geographical boundary of Tunisia, Ariana claims the Köppen climate classification of Csa. This predominantly Mediterranean climate paints a picture of hot summers and mild winters. The average temperature in this region ranges from 9.6°C (49.3°F) to 32.4°C (90.3°F), indicating a diverse weather pattern throughout the year. Moreover, the absolute lowest and highest temperatures are recorded in January and August, respectively.The relative humidity ranges from 53% in the peak summer months to 74% during the spring season. On another note, rainfall does not show a linear pattern, rather it experiences a more intermittent distribution. The month of November experiences the most rain, boasting an average rainfall of 38mm (1.5"), whereas July presents the most dry conditions with an average rainfall of a mere 5mm (0.2"). The months of summer, from June to August, have the highest daylight hours, peaking at 14.7 hours in June.
The best time to visit Ariana
For the most ideal weather conditions, plan a visit to Ariana between the months of May and August. During this period, the climate is at its most favorable with the highest average temperatures ranging from 23.8°C (74.8°F) to 32.4°C (90.3°F) and the lowest precipitation levels, varying between 8mm (0.31") and 10mm (0.39"). The daylight hours are also longer, providing more time to explore and soak in the local sights and culture.The worst time to visit Ariana
The least friendly weather conditions in Ariana are observed between November and February. During this period, the temperature averages fall to 9.6°C (49.3°F) and reach just 15.3°C (59.5°F), while relative humidity can go up to 74%. A visitor might also have to contend with the largest amount of rainfall seen all year, with November marking the peak of the rainy season with 38mm (1.5").Spring weather in Ariana
Springtime in Ariana, experienced from March to May, offers a progressive increase in temperature from 10.4°C (50.7°F) to 15.9°C (60.6°F). During this time, rainfall decreases from an average of 35mm (1.38") in March to 17mm (0.67") by May. This period also records an increase in daylight hours from 12 hours to a little over 14 hours per day, while wind speeds gradually decrease from 18.3km/h (11.4mph) to 16km/h (9.9mph).Summer weather in Ariana
Summers in Ariana, extending from June to August, are marked by high temperatures ranging from 20.3°C (68.5°F) to 24.6°C (76.3°F) and scanty rainfall registering between 5mm (0.2") to 10mm (0.39"). This season promises extensive sunlight hours reaching up to 14.7 hours in June and considerably lower wind speeds (from 14.3km/h (8.9mph) to 12.7km/h (7.9mph)) than the other seasons.Autumn weather in Ariana
Autumn, falling between September and November, brings a gradual reduction in temperature from 22.4°C (72.3°F) to 14.6°C (58.3°F). The rainfall significantly increases from an average of 27mm (1.06") in September to 38mm (1.5") in November, reaching its maximum for the year. However, the daylight hours start to decline, clocking in between 12.4 hours and 10.2 hours.Winter weather in Ariana
Winter in Ariana, observed from December to February, brings cold temperatures that range from 9.6°C (49.3°F) to 8.7°C (47.7°F). Rainfall is still relatively high, decreasing from 33mm (1.3") in December to 26mm (1.02") by February. Coupled with reducing daylight hours (from 9.7 hours to 10.9 hours) and increased wind speeds peaking at 18.8km/h (11.7mph) in February, it establishes a crisp and chilling atmosphere. With the UV index dropping to 4, this period sees the least amount of sunshine averaging between 6.1 hours and 7.1 hours per day.Weather in January
The beginning of the year marks the chilliest period in Ariana, Tunisia. The recorded average temperatures range from 9.6°C (49.3°F) to 14.8°C (58.6°F) in January. This month is coupled with relative humidity of 73% providing a damp cold sensation. Weather in January »Weather in February
February sets an ambient stage, with subtle climate alterations distinguishing it from January. The mercury rises slightly to mark the temperatures between 8.7°C (47.7°F) and 15.3°C (59.5°F). Besides, the barometric pressure dips to 1016.5mb, fostering a modicum change in the environment's comfort levels. Weather in February »Weather in March
Ariana experiences a noticeable shift in weather as March unfolds. The average temperature improves slightly to fall between 10.4°C (50.7°F) and 17.3°C (63.1°F). This period witnesses a slight upturn in rainfall levels, contributing to the prevailing 74% relative humidity. Weather in March »Weather in April
April sets the tone for the onset of a warm period in Ariana. Temperature range ascends from 12.6°C (54.7°F) to 20.3°C (68.5°F), marking a distinct shift from March. Even the ambient pressure encounters a slight drop to 1014.7mb, a typical atmospheric pattern during this transition towards summer. Weather in April »Weather in May
May brings a pronounced warmth, turning Ariana into a summer haven. The range of temperatures escalates to reside between 15.9°C (60.6°F) and 23.8°C (74.8°F). Concurrently, the month witnesses a significant dip in overall cloud cover, promising longer sunshine hours. Weather in May »Weather in June
June amplifies the summer feel with Ariana basking in higher temperatures. The recorded temperatures fluctuate from 20.3°C (68.5°F) to 28.5°C (83.3°F), highlighting the intensified summer. Furthermore, the region relishes the longest daylight period, matching the widespread summer sentiment. Weather in June »Weather in July
July features as the hottest month of the year in Ariana with temperature readings soaring between 23.8°C (74.8°F) and 32.1°C (89.8°F). The summer zenith transforms the region into a sun-drenched locale, characterized by minimal cloud cover. Weather in July »Weather in August
August follows the pattern marked by July, recording scorching temperature patterns from 24.6°C (76.3°F) to 32.4°C (90.3°F). Though the region experiences some of the longest daylight hours, a tiny increase in cloud cover brings slight relief. Weather in August »Weather in September
September in Ariana signals the retreat of harsh summer conditions. The temperature range experiences a drop, varying between 22.4°C (72.3°F) and 28.6°C (83.5°F). The region begins to experience a gradual surge in rainfall, contrasting the arid conditions of the past few months. Weather in September »Weather in October
October experiences a significant shift in the climatic conditions as Ariana submerges into autumn. With temperatures dipping to a range of 19.4°C (66.9°F) to 25°C (77°F) from September, the city embraces a cooler climate. Coupled with an increase in precipitation, the month carries an aura of freshness. Weather in October »Weather in November
November continues the weather trend set by its predecessor, offering a perceptible dip with temperatures ranging from 14.6°C (58.3°F) to 20°C (68°F). This drop underscores the transition towards the annual cold period. Additionally, the region records a substantial rise in rainfall, sending upfront signals of the forthcoming winter. Weather in November »Weather in December
December is the month when Ariana officially steps into winter. The temperature drops further to oscillate between 11.5°C (52.7°F) and 16.2°C (61.2°F), adding a chilling touch to the atmosphere. With shorter daylight hours, the region experiences early sunsets, typical of the winter season. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Ariana, Tunisia
The warmest month (with the highest average high temperature) is August (32.4°C).
The month with the lowest average high temperature is January (14.8°C).
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is February (8.7°C).
Average pressure
Ariana, Tunisia
- Average pressure in January:
1018.1mbar - Average pressure in February:
1016.5mbar - Average pressure in March:
1015.9mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1015.5mbar - Average pressure in June:
1015.3mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1015.1mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1016.3mbar - Average pressure in November:
1015.5mbar - Average pressure in December:
1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed
Ariana, Tunisia
- Average wind speed in January:
18.5km/h - Average wind speed in February:
18.8km/h - Average wind speed in March:
18.3km/h - Average wind speed in April:
15.4km/h - Average wind speed in May:
16km/h - Average wind speed in June:
14.3km/h
- Average wind speed in July:
13.8km/h - Average wind speed in August:
12.7km/h - Average wind speed in September:
13.5km/h - Average wind speed in October:
14.4km/h - Average wind speed in November:
15.9km/h - Average wind speed in December:
17.6km/h
The windiest month (with the highest average wind speed) is February (18.8km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).
Average humidity
Ariana, Tunisia
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (53%).
Average rainfall
Ariana, Tunisia
The wettest month (with the highest rainfall) is October (38mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days
Ariana, Tunisia
- Average rainfall days in January:
14.2 days - Average rainfall days in February:
13.1 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
8 days - Average rainfall days in June:
5.3 days
- Average rainfall days in July:
2.6 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
12.7 days
The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is July (2.6 days).
Average daylight / Average sunshine
Ariana, Tunisia
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
7h and 6min - Average sunshine in March:
8h and 12min - Average sunshine in April:
10h and 24min - Average sunshine in May:
11h and 24min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 18min - Average sunshine in September:
10h and 30min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days
Ariana, Tunisia
- Average sunshine days in January:
13 days - Average sunshine days in February:
12 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
19.8 days - Average sunshine days in June:
21.9 days
- Average sunshine days in July:
26.8 days - Average sunshine days in August:
23.4 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
15.2 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is February (12 days).
Average UV index
Ariana, Tunisia
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover
Ariana, Tunisia
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility
Ariana, Tunisia
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





