Climate and monthly weather forecastSiliana, Tunisia
Climate and monthly weather forecast
The climate of Siliana
In the Köppen climate classification, Siliana, situated in Tunisia's northern region, falls in the Csa climate zone, denoting a Mediterranean, hot summer weather pattern. Annual climatological data reveal distinctive weather characteristics, with extreme changes in temperature and precipitation as the year progresses. Over the year, Siliana's relative humidity fluctuates mildly between the lowest 38% in July to the highest 72% in January. On the contrary, barometric pressure sees slight fluctuations between 1014.7mb in April and 1021.2mb in December.In terms of rainfall, Siliana experiences significantly wet conditions in March with up to 52mm (2.05"), demonstrating the most pronounced variance for this weather parameter. However, the rainfall reduces to a minimum of 4mm (0.16") in July. The number of rainfall days correlates with this pattern, with 15.3 days in March and just 3.4 days in July. A high temperature swing prevails in Siliana from the coldest 4.3°C (39.7°F) in February to a hot 34.9°C (94.8°F) in July. Snowfall is a rarity in this region, with just 4mm (0.16") in February and 1mm (0.04") in December.
Meanwhile, daylight hours peak in June at 14.6 hours, gradually tapering off to 9.7 hours in December. Interestingly, Focusing on sunshine duration, it peaks in July with 12.2 hours, diminishing to merely 5.9 hours in December. Wind parameters in Siliana show that wind gusts add a significant variable to the weather patterns, ranging from a maximum of 20.8km/h (12.9mph) in March to a minimum of 12.1km/h (7.5mph) in August.
The best time to visit Siliana
Regarding Siliana's climate and weather conditions, the most favorable time for traveling is late spring to early summer. May to June offers a splendid mix of moderate to warm temperatures ranging from 20.4°C (68.7°F) to 31°C (87.8°F) and bountiful sunshine, with daily averages extending to between 11.1 hours to 12 hours. Meanwhile, the amount of rainfall significantly decreases to less than half from May's 28mm (1.1") to 12mm (0.47") in June, decreasing the likelihood of encountering rainy days during the visit.The worst time to visit Siliana
Siliana's least hospitable period is typically the heart of summer, particularly July, with aggressive temperatures reaching 34.9°C (94.8°F) frequently. During this period, the scorching sun dominates the sky for as many as 12.2 hours per day, substantially increasing the discomfort. Furthermore, the rainfall plummeting to a mere 4mm (0.16") during this month suggests parched conditions on most days.Spring weather in Siliana
Monday's in Siliana sees temperatures gently rise from March's monthly average low of 6.3°C (43.3°F) to May's high of 25.2°C (77.4°F), offering a gradually warming environment. Furthermore, spring showers are expected with precipitation peaking in March at 52mm (2.05") and dwindling to 28mm (1.1") by May end. Interestingly, the daylight hour's ideal increase from 12 hours in March to 14.1 hours in May, and sunshine hours also show a similar progressive trend from 7.7 to 11.1 hours in the same period.Summer weather in Siliana
Siliana's summer starts on a slightly cooler note in June with an average high of 31°C (87.8°F), but the heat gets intense in July and August with peaks at 34.9°C (94.8°F) and 34.1°C (93.4°F), respectively. However, the months of summer are typically dry with minimal rainfall that dips to 4mm (0.16") in July and gradually increases to 17mm (0.67") by August's end. Long hours of daylight, up to 14.6 hours in June, and abundant sunshine, as much as 12.2 hours daily in July and August, define Siliana's summer weather.Autumn weather in Siliana
During autumn, Siliana witnesses a marked drop in temperature with averages between 19.3°C (66.7°F) to 28.5°C (83.3°F). Rainfall gradually starts to rise from 17mm (0.67") in August to 34mm (1.34") in September, reaching 39mm (1.54") in October. The number of rainy days experiences a progressive increase from 6.3 days in August to a substantial 12 days in October. However, daylight hours start to recede significantly from 13.5 hours in August to 11.3 hours in October.Winter weather in Siliana
Winter brings the coldest temperatures to Siliana with lows of 4.7°C (40.5°F) in January and highs barely scratching 13.8°C (56.8°F) in December. Rainfall remains consistent around 25mm (0.98") to 27mm (1.06"), and the region experiences about 10 to 12 rainy days each month. The winter months also come with noticeably less daylight, reaching a yearly low of 9.7 hours in December, which results in a sharp reduction in sunshine hours from 6.3 hours in November down to 5.9 hours in December. The winds in winter become more noticeable with an average gust speed of up to 19.6km/h (12.2mph) in December.Weather in January
The New Year welcomes Siliana, Tunisia with benign weather, as the winter season hasn't yet reached its peak. The city experiences is a relatively low rainfall of 27mm (1.06") and occasional snowfall that accumulates 1mm (0.04"). Weather in January »Weather in February
With February, the slight precipitation increase, reaching 52mm (2.05"), signals the transition into the wettest season of the year in Siliana. Compared to January, the temperature dances upwards marginally, hinting at the upcoming spring season. Weather in February »Weather in March
March pushes winter to retreat, welcoming the borderline climatic phase that transitions from cold to mildly warm temperatures, reaching a maximum of 16.8°C (62.2°F). The days become noticeably longer, allowing more room for sunshine and outdoor activities in Siliana. Weather in March »Weather in April
April in Siliana, Tunisia, is a pleasant spring month, with temperature in the range of an average high of 20.4°C (68.7°F) and an average low of 9.2°C (48.6°F). April showcases a minor temperature ascent, adjusting from March's enjoyable 16.8°C (62.2°F) to a pleasant 20.4°C (68.7°F). Weather in April »Weather in May
Though May appeals to sun-lovers with an average high of 25.2°C (77.4°F), it also maintains a fairly low rainfall amount of 28mm (1.1"). This month continues the climatic journey from the blooming spring towards the summer solstice, offering a comfortable warmth during the day. Weather in May »Weather in June
With the heat amplifying to a sizzling high of 31°C (87.8°F), June in Siliana demonstrates the season's intensity. The advent of summer is clearly seen with the extended sun hours and steadily minimal precipitation. The city buzzes with summer vibes, as the sky rarely sees any cloud blockage, leading to clear, sunny days. Weather in June »Weather in July
July in Siliana is the peak of summertime, shunning rain clouds to the minimum and boasting the year's highest recorded temperature at 34.9°C (94.8°F). The consistently high temperatures, abundant daylight hours, and minimal precipitation make it the epitome of a hot Mediterranean summer. Weather in July »Weather in August
As one of the hottest months, August keeps up with July's heat, barely showing any decrease with temperatures still reaching up to 34.1°C (93.4°F). Siliana continues to experience long daylight hours, vibrant sunshine and remains mostly dry with minimal precipitation. Weather in August »Weather in September
With September, temperature drops down to a comfortable maximum of 28.5°C (83.3°F), signalling the arrival of the milder autumn climate. Giving a respite from the summer heat, this month begins to cool down, with noticeable changes in temperature. Weather in September »Weather in October
October in Siliana begins to feel more like the onset of winter with temperature sliding further to a high of 24°C (75.2°F) and an increase in rainfall to 39mm (1.54"). The crisp autumn breeze gives way to chillier nights, preparing Siliana for the coming winter. Weather in October »Weather in November
November witnesses a tangible drop in temperature with a high of 18.1°C (64.6°F) and a low of 10.1°C (50.2°F), thus setting the stage for a remarkable transition into winter. Compared to October, November's climate becomes significantly cooler with shorter daylight hours and slightly increased rainfall. Weather in November »Weather in December
Weather in December undeniably leans towards wintertime, with a high of 13.8°C (56.8°F) and low of 6.3°C (43.3°F), becoming the coldest month in Siliana. The winter esque climate with its shorter days and longer nights, hints at the festive season. Weather in December »Updated: Aug 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, characterized by an average high temperature of 12.6°C (54.7°F) and a low temperature of 4.7°C (40.5°F), is generally the coldest month.
January is the most humid month in Siliana, with an average relative humidity of 72%.
In Siliana, Tunisia, during the entire year, the rain falls for 123 days and collects up to 341mm (13.43") of precipitation.
January, March through November are months without snowfall.
Throughout the year, there are 0.9 snowfall days, and 5mm (0.2") of snow is accumulated.
January has the least sunshine of the year, with an average of 5.8h of sunshine.
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.
Months with snowfall are February and December.
February is the month with the most snowfall. Snow falls for 0.5 days and accumulates 4mm (0.16") of snow.
March is the month with the most rainfall in Siliana. Rain falls for 15.3 days and accumulates 52mm (2.05") of precipitation.
The month with the longest days is June, with an average of 14h and 36min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
Siliana's July weather, with an average high temperature of 34.9°C (94.8°F) and an average low temperature of 22.2°C (72°F), tends to be the warmest of the year.
The least humid month in Siliana is July, with an average relative humidity of 38%.
The month with the least rainfall is July, when the rain falls for 3.4 days and typically collects 4mm (0.16") of precipitation.
The months with the most sunshine are July and August, with an average of 12.2h of sunshine.
With an average of 9h and 48min of daylight, December has the shortest days of the year.
Siliana does not observe Daylight Saving Time (DST). CET timezone is used over the entire year.
Average temperature
Siliana, Tunisia
The warmest month (with the highest average high temperature) is July (34.9°C).
The month with the lowest average high temperature is January (12.6°C).
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure
Siliana, Tunisia
- Average pressure in January:
1019mbar - Average pressure in February:
1017.2mbar - Average pressure in March:
1016.2mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1015.6mbar - Average pressure in June:
1015.6mbar
- Average pressure in July:
1015.4mbar - Average pressure in August:
1015.5mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1016.7mbar - Average pressure in November:
1016.1mbar - Average pressure in December:
1021.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed
Siliana, Tunisia
- Average wind speed in January:
13.3km/h - Average wind speed in February:
13.6km/h - Average wind speed in March:
13.8km/h - Average wind speed in April:
11.1km/h - Average wind speed in May:
11.8km/h - Average wind speed in June:
10.7km/h
- Average wind speed in July:
10km/h - Average wind speed in August:
9km/h - Average wind speed in September:
9.2km/h - Average wind speed in October:
10.4km/h - Average wind speed in November:
11.6km/h - Average wind speed in December:
12.7km/h
The windiest month (with the highest average wind speed) is March (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity
Siliana, Tunisia
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (38%).
Average rainfall
Siliana, Tunisia
The wettest month (with the highest rainfall) is March (52mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days
Siliana, Tunisia
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
11.9 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
9.5 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
3.4 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
12 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3.4 days).
Average snowfall
Siliana, Tunisia
The month with the highest snowfall is February (4mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Siliana, Tunisia
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.5 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Siliana, 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 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
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 48min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
7h and 6min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 42min - Average sunshine in May:
11h and 6min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
12h and 12min - Average sunshine in September:
9h and 48min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days
Siliana, Tunisia
- Average sunshine days in January:
15.6 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
21.2 days
- Average sunshine days in July:
25.6 days - Average sunshine days in August:
22.9 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.7 days).
Average UV index
Siliana, 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 and December (UV index 3).
Average cloud cover
Siliana, Tunisia
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility
Siliana, Tunisia
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
