Aleppo climate
Aleppo (Syria) has a hot-summer Mediterranean climate (Köppen Csa). The average temperature over the year is 18 °C64 °F, and about 433 mm17 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Aleppo climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin | Frost days |
|---|---|---|---|---|---|
| Jan | 1152 | 032 | 642 | 803.1 | 11 |
| Feb | 1356 | 235 | 745 | 662.6 | 6 |
| Mar | 1864 | 541 | 1152 | 441.7 | 1 |
| Apr | 2373 | 847 | 1660 | 301.2 | 0 |
| May | 2984 | 1355 | 2169 | 210.8 | 0 |
| Jun | 3494 | 1763 | 2678 | 70.3 | 0 |
| Jul | 38100 | 2068 | 2984 | 20.1 | 0 |
| Aug | 3799 | 2068 | 2984 | 40.2 | 0 |
| Sep | 3493 | 1763 | 2678 | 130.5 | 0 |
| Oct | 2781 | 1355 | 2068 | 311.2 | 0 |
| Nov | 1966 | 643 | 1355 | 491.9 | 1 |
| Dec | 1355 | 235 | 745 | 863.4 | 8 |
| Year | 38100 | 032 | 1864 | 43317 | 27 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total. Frost days are for the whole grid cell.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 79% | 61% | 2.3 | 9:57 |
| Feb | 78% | 60% | 3.1 | 10:49 |
| Mar | 73% | 53% | 4.6 | 11:52 |
| Apr | 67% | 51% | 5.8 | 13:04 |
| May | 60% | 37% | 7.0 | 14:04 |
| Jun | 52% | 13% | 8.1 | 14:37 |
| Jul | 51% | 8% | 8.0 | 14:23 |
| Aug | 55% | 9% | 7.2 | 13:31 |
| Sep | 56% | 14% | 5.9 | 12:21 |
| Oct | 56% | 35% | 4.1 | 11:12 |
| Nov | 64% | 46% | 2.9 | 10:11 |
| Dec | 74% | 56% | 2.1 | 9:42 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Aleppo is like
The warmest month is July, with an average high of 38 °C100 °F and a low of 20 °C68 °F. The coldest is January, when highs average 11 °C52 °F and lows 0 °C32 °F. Seasons are strongly marked: the warmest month is on average 23.1 °C41.7 °F warmer than the coldest.
Annual precipitation is moderate at about 433 mm17 in. The wettest three-month stretch is December–February, which brings 54% of the annual total. Months with less than 20 mm0.8 in on average: June–September. The wettest month is December (86 mm3.4 in), the driest is July (2 mm0.1 in).
Relative humidity ranges from 51% in July to 79% in January. The clearest skies (lowest average cloud amount, 8%) are typical of July. Average wind speed near the ground ranges from 3 km/h (2 mph) in April to 5 km/h (3 mph) in July. Daylight lasts from about 9.7 hours in December to 14.6 hours in June.
Best time to visit Aleppo
Based on these averages, the most comfortable months for sightseeing and outdoor activities are April and May and October and November: average highs of 19 °C66 °F to 29 °C84 °F with 21 mm0.8 in to 49 mm1.9 in of precipitation per month.
The most challenging month is January, which is cold, with average highs of 11 °C52 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
Aleppo weather by month
- January11 °C52 °F / 0 °C32 °F
- February13 °C56 °F / 2 °C35 °F
- March18 °C64 °F / 5 °C41 °F
- April23 °C73 °F / 8 °C47 °F
- May29 °C84 °F / 13 °C55 °F
- June34 °C94 °F / 17 °C63 °F
- July38 °C100 °F / 20 °C68 °F
- August37 °C99 °F / 20 °C68 °F
- September34 °C93 °F / 17 °C63 °F
- October27 °C81 °F / 13 °C55 °F
- November19 °C66 °F / 6 °C43 °F
- December13 °C55 °F / 2 °C35 °F
What to pack for Aleppo
- Winter (December–February) — highs 1152 to 13 °C56 °F, lows 032 to 2 °C35 °F, about 77 mm3.0 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket and an extra layer for the cooler mornings and evenings.
- Spring (March–May) — highs 1864 to 29 °C84 °F, lows 541 to 13 °C55 °F, about 32 mm1.3 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
- Summer (June–August) — highs 3494 to 38 °C100 °F, lows 1763 to 20 °C68 °F, about 5 mm0.2 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
- Autumn (September–November) — highs 1966 to 34 °C93 °F, lows 643 to 17 °C63 °F, about 31 mm1.2 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
How Aleppo compares
Compared with Gaziantep, about 97 km to the north, Aleppo is on average 2.5 °C4.5 °F warmer and receives 6% less precipitation (433 mm17 in vs 462 mm18 in). The difference is largest in January (3.9 °C7.1 °F warmer).
Of the 12 places in Syria covered by World Climates, Aleppo is the 11th warmest by annual mean temperature and the 3rd wettest by annual precipitation. See all of them on the Syria climate page.
Places in other countries with the most similar temperature and rainfall pattern: Kahramanmaraş (Turkey, Csa), Bornova (Turkey, Csa) and Suruç (Turkey, Csa).
Nearby places
- Al Bab 37 km · 18 °C64 °F · 431 mm17 in
- Idlib 56 km · 17 °C63 °F · 433 mm17 in
- Kilis 57 km · 16 °C61 °F · 539 mm21 in
- Antakya 90 km · 19 °C66 °F · 626 mm25 in
- Gaziantep 97 km · 15 °C59 °F · 462 mm18 in
- İskenderun 98 km · 20 °C68 °F · 614 mm24 in
- Samandağ 107 km · 20 °C67 °F · 626 mm25 in
- Arsuz 116 km · 21 °C70 °F · 675 mm27 in
Frequently asked questions
What is the warmest month in Aleppo?
July is the warmest month in Aleppo, with an average high of 38 °C (100 °F) and an average low of 20 °C (68 °F).
What is the coldest month in Aleppo?
January is the coldest month, with an average high of 11 °C (52 °F) and an average low of 0 °C (32 °F).
When does it rain the most in Aleppo?
December is the wettest month with about 86 mm (3.4 in) of precipitation; July is the driest with about 2 mm (0.1 in).
What is the best time to visit Aleppo?
Judging by long-term averages, the most comfortable months are April and May and October and November.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 336 m, while Aleppo lies at about 401 m. Temperatures on this page were therefore adjusted by −0.4 °C0.8 °F using the standard lapse rate of 6.5 °C per 1,000 m.