Climate and monthly weather forecastTunis, Tunisia

The climate of Tunis

Geographically nestled on the Mediterranean Sea's north coast, Tunis is chartered under the Csa category by the Köppen climate classification. This nomination affirms its prevalent Mediterranean weather characterised by hot summers and mild winters. A captivating mix of climatological parameters all year round deftly demonstrates this.

Spanning January through December, air temperatures stage a notable progression, ascending from a cool 16.2°C (61.2°F) in January, gradually accelerating to a blistering 34.4°C (93.9°F) heat peak in July and August, then descending back to a milder 17.5°C (63.5°F) come December. Night temperatures mirror this trend, though typically cooler, gamely fluctuating between a chilly 8.5°C (47.3°F) in January and evolving to a warm 22.9°C (73.2°F) in August.

The drama of rainfall tends to favour the colder months, evidenced by a conspicuous increase from a negligible 3mm (0.12") in July to a substantial 67mm (2.64") in December. Sunshine hours optimally maximise to an impressive 11.5 hours in July then retreat to a lowly 4.8 hours in December. The dominant presence of the Mediterranean Sea profoundly influences sea surface temperatures, promoting gradual shifts from 15°C (59°F) in January to 26°C (78.8°F) by August.

Such weather components ensure that the hot summers nurture the land with plentiful sunshine, offset by mild winters interspersed with ample rainfall. This intrinsic weather pattern, coupled with the city's geographical locale, distinctly shapes the climatic cycle of Tunis, rendering it an epitome of the Mediterranean climatic model.

The best time to visit Tunis

The most favourable time for tourists to visit Tunis undoubtedly coincides with the transitions of spring and fall. During these periods, temperature conditions gallantly blend warmth with comfort, offering a delightful climate neither too hot nor too cold. From March to May, the temperatures steadily climb from 19.8°C (67.6°F) to 26.6°C (79.9°F), while daylight hours increase to 14.1 hours by May. Sea temperatures also experience a boost, reaching 17°C (62.6°F), thereby starting to cater to those partial to aquatic activities.

Autumn, specifically from September to November, follows a similar timeline, where temperatures oscilate between the comfortable range of 30.2°C (86.4°F) to 21.5°C (70.7°F). Sunshine hours remain appreciable, lingering around 8.6 hours in September and retreating to 5.8 hours in November. These periods deliver agreeable conditions marked by fresh breezes from the sea and relatively lower tourist crowds, turning Tunis into an idyllic destination.

The worst time to visit Tunis

Tourists hoping to evade extreme heat should sidestep visiting Tunis between June and August. Fierce summer conditions aggressively push temperatures to a scorching peak of 34.4°C (93.9°F), arguably rendering outdoor activities uncomfortable. This period is notorious for parched landscapes due to minimal rainfall, reaching a low of 3mm (0.12") by July, hence water scarcity can further heighten discomfort. Additionally, ultraviolet index ratings rise to a dangerous level of 10, necessitating stringent protection measures against harmful sun rays.

Spring weather in Tunis

With the onset of spring from March to May, Tunis springs to life as temperatures moderately build from 19.8°C (67.6°F) to 26.6°C (79.9°F) during daytime, while nights transition from 10.1°C (50.2°F) to 16°C (60.8°F). Rainfall decreases sharply from 47mm (1.85") in March to 23mm (0.91") in May, paving the way for increased sunshine hours that reach up to 9.1 hours by May. This season’s literal breath of fresh air offers respite from winter's damp chill, prompting the city's flora to awaken in a colourful bloom, echoing the vibrancy of the season.

Summer weather in Tunis

Summer in Tunis, from June to August, typically presents a hot and dry spell. The mercury soars to its yearly zenith of 34.4°C (93.9°F), while night conditions fare slightly cooler, averaging between 19.5°C (67.1°F) to 22.9°C (73.2°F). Rainfall is markedly scarce with June and July accounting for around 10mm (0.39") and 3mm (0.12") respectively. Sunshine hours reach their maximum distribution, peaking up to 11.5 hours in July, while the sea warms to a welcoming 26°C (78.8°F) by August, encouraging a flurry of beach-based activities.

Autumn weather in Tunis

As autumnal winds sweep across Tunis from September to November, temperature readings regress from 30.2°C (86.4°F) to 21.5°C (70.7°F) in the day, while nights cool down from 20.7°C (69.3°F) to 13.1°C (55.6°F). Rainfall steadily resurfaces, swelling from 33mm (1.3") in September to 56mm (2.2") in November. Sunshine hours reduce from 8.6 hours to 5.8 hours towards November, as the sun hesitantly peeks from behind the clouds. Concurrently, sea temperatures cool down from 25°C (77°F) to 19°C (66.2°F), yielding to the incoming winter's chill.

Winter weather in Tunis

The winter months from December to February, impose a subdued yet lively character on Tunis. Day temperatures average between 17.5°C (63.5°F) to 16.6°C (61.9°F) while night temperatures hover from 8.5°C (47.3°F) down to 9.7°C (49.5°F). Winter carries the year’s heaviest rainfall, cresting at 67mm (2.64") in December. Sunshine hours dwindle to 4.8 hours by December and gradually elevates to 5.9 hours by February. The sea temperature retreats to a chilly 15°C (59°F) in December and sustains this until February. Despite the moisture-laden air and bedraggled landscapes, winter has a stark beauty, baring the resilience of nature underneath the frosted layer.

Weather in January

Starting the year, Tunis experiences lower temperatures in January with an average high of 16.2°C (61.2°F) and the average low of 8.5°C (47.3°F). Cooler sea temperatures contribute to the cold snap, prompting a tendency towards indoor activities. Weather in January »

Weather in February

February sees a minimal increase in temperatures as compared to January, yet it still maintains the winter vibe in Tunis. The UV index rises to 3, indicating a gradual increase in sun exposure, beneficial for people seeking to soak up some vitamin D. Weather in February »

Weather in March

March marks a distinct shift towards warmer weather in Tunis, Tunisia, with a notable increase in average temperatures. The UV index jumps to 5, signaling a significant leap in sunlight intensity. Total rainfall decreases by almost 10mm (0.39"), offering fewer, yet more refreshing, rain showers. Weather in March »

Weather in April

April ushers in the full force of spring in Tunis; it is a more comfortable month weather-wise with temperatures ranging from 12.8°C (55°F) to 22.4°C (72.3°F). Rain showers become sparser, making way for fresher, less humid days. Weather in April »

Weather in May

May in Tunis brings noticeable warmth, a stark contrast to the declining cool weather of April. The rainfall further drops to just 23mm (0.91") over just four days, clear indication of summer's approach. An increased UV index of 9 signifies longer and sunnier days, perfect for outdoor exploration. Weather in May »

Weather in June

June signals the start of the arid summer season in Tunis, Tunisia, finally leaving behind the vestiges of spring. Highest temperatures rise to 31.2°C (88.2°F), coupled with a drastic decrease in total rainfall to just 10mm (0.39") recorded over two days. Weather in June »

Weather in July

July holds the distinction of being the hottest month in Tunis with the highest temperatures rising to a scorching 34.4°C (93.9°F). Rainfall is scarce with a total of merely 3mm (0.12") falling over just one day, making July the driest month. Weather in July »

Weather in August

Similar to July, August continues with the sweltering summer streak in Tunis, maintaining high temperatures. However, a slight increase in rainfall to 7mm (0.28") provides sporadic respite from the scorching summer heat. The UV index remains consistently high at 9, so shade and sunscreen remain vital for skin protection. Weather in August »

Weather in September

September shows signs of relief from the searing summer months as the temperatures start to recede. An increased total rainfall of 33mm (1.3") indicates the transition from the arid summer to the milder autumn season. A reduced UV index of 7 means less intense solar radiation, lowering the chances of sunburn. Weather in September »

Weather in October

October in Tunis sees a substantial decrease in temperature, signifying the clear arrival of autumn. More substantial rainfall marks the onset of wetter months ahead with 66mm (2.6") spread over seven days of the month. The shorter day hours combined with a lowering UV index of 5 bring relief after the boiling summer. Weather in October »

Weather in November

November continues the autumnal chill in Tunis with further reduction in temperatures. A total of 56mm (2.2") of rainfall recorded over seven days indicates a steady transition to the cooler months. The decrease in daylight hours allows for a perfect cozy indoor aesthetic. Weather in November »

Weather in December

December in Tunis ushers in the winter season, culminating in temperatures dipping to an average low of 9.7°C (49.5°F). With the highest rainfall for the year at 67mm (2.64") over eight days, December is the wettest month. Furthermore, the shortest daylight hours and a low UV index of 2 create a perfect winter setting. Weather in December »