See the Sahara in Tunisia
The best time to visit the Sahara is more towards the winter. This means more bearable temperatures in south of Tunisia.
December in Siliana averages 16°C (61°F) during the day and 6°C (43°F) at night. Around 41 mm (1.6 in) of rainfall is typical for this time of year.
Should you favor a climate that's both dry and comfortably warm, April, May, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Siliana - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Siliana typically stay consistent throughout December, with daily highs averaging around 16°C (61°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 8°C (46°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Siliana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Siliana.
Find out more about the weather in Tunisia and which places have the best travel conditions in this month. See all of Tunisia in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Siliana climate overview or explore weather in Tunisia.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
See the Sahara in Tunisia
The best time to visit the Sahara is more towards the winter. This means more bearable temperatures in south of Tunisia.
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