Weather in Aleppo
Syria • Population: 2,098,210
Best Months to Visit
Based on temperature, precipitation, and humidity data
On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are May, June, and October. Aleppo is in Syria at 36.2°N. The 2001–2020 NASA POWER daily record describes a Mediterranean pattern: dry summers and wetter winters.
August is the warmest month (average 30.0°C, high 38.6°C) and January is the coolest (average 6.8°C, low 1.4°C). Rain is wet season runs from November to February, inside an annual total of 433 mm. The wettest month is December at 86 mm; the driest is July at 2 mm.
Best months to visit Aleppo
The three months with the highest comfort score are May, June, and October: May (21.7°C average, 21 mm, 60% humidity); June (26.6°C average, 7 mm, 52% humidity); October (21.6°C average, 31 mm, 56% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.
If you want the wet season itself — fewer crowds, greener landscape, heavier rain — aim at November–February instead of the score.
Temperature through the year
The heat peaks in August, when the typical afternoon is 38.6°C. The opposite pole is January, when mornings average 1.4°C.
Mean high across all twelve months is 25.8°C and mean low is 11.4°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.
Rainfall pattern
The wet season in Aleppo starts in November and ends in February (November, December, January, and February). December is the core of it at 86 mm. July is the other extreme, with 2 mm.
A rainy day here is a day with at least 1 mm in the NASA POWER series. December averages 10 such days; July averages 1.
What stands out month by month
The year bottoms out in January. Plan for 1.4°C at night and 12.2°C in the afternoon. By February the wet season is ending. Aleppo still sees about 66 mm, but the next month is usually leaner. In March, Aleppo averages 18.9°C by day and 5.9°C at night, with 44 mm of rain. April brings 31 mm and 7 rainy days; temperatures run from 9.3°C to 23.8°C. May stands apart from the months beside it: 29.8°C / 13.7°C and 21 mm. June: 35.2°C high, 17.9°C low, 7 mm rain, 52% humidity.
July is the driest month, averaging only 2 mm across 1 rainy days. Highs sit near 38.5°C. Peak heat arrives in August: 38.6°C by day, 21.4°C at night, and 55% humidity. September stands apart from the months beside it: 35.1°C / 18.7°C and 13 mm. October stands apart from the months beside it: 28.9°C / 14.4°C and 31 mm. The wet season opens in November. Expect 49 mm and 7 rainy days, with nights around 7.4°C. December is the wettest month — 86 mm and 10 rainy days, with 74% humidity.
How Aleppo compares inside Syria
Damascus is about 310 km away: Aleppo is 3.1°C warmer than Damascus in its hottest month and 146 mm wetter over the year than Damascus. Damascus’s wettest month is January (69 mm) versus December here.
Temperature and rainfall
Monthly Weather Overview
| Month | High | Low | Rain (mm) | Rainy Days |
|---|---|---|---|---|
| January | 12.2°C | 1.4°C | 80 | 12 |
| February | 14.4°C | 2.8°C | 66 | 10 |
| March | 18.9°C | 5.9°C | 44 | 8 |
| April | 23.8°C | 9.3°C | 31 | 7 |
| May | 29.8°C | 13.7°C | 21 | 5 |
| June | 35.2°C | 17.9°C | 7 | 2 |
| July | 38.5°C | 20.9°C | 2 | 1 |
| August | 38.6°C | 21.4°C | 4 | 1 |
| September | 35.1°C | 18.7°C | 13 | 3 |
| October | 28.9°C | 14.4°C | 31 | 5 |
| November | 20.5°C | 7.4°C | 49 | 7 |
| December | 14.1°C | 2.9°C | 86 | 10 |
Monthly Details
Click on any month for detailed weather information: