Climate Overview
The climate in Diyadin is cool. The average annual temperature is 6°C and approximately 714mm of precipitation falls per year. May is the wettest month, receiving around 116mm of rainfall. Diyadin is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to -13°C. Diyadin experiences heavy snowfall, typically from January through December.
Temperature
Diyadin has a wide annual temperature range, spanning 39°C from the coldest to warmest months. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 19°C. The coldest month is January, when overnight lows fall to -13°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Diyadin is a relatively dry area, receiving approximately 714mm of precipitation annually, which averages out to around 59mm per month. The wettest month is May, averaging 116mm of rainfall. March and April also tend to see above-average precipitation. The driest month is August, with just 29mm. That's 87mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Diyadin receives heavy snowfall, accumulating around 272cm annually from January through December. The snowiest month is March, with approximately 75cm. Winter travel should account for significant snow cover.
Wind
Diyadin is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in Diyadin, which began on September 23, 2026. Diyadin is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 26°C, while the coldest stretch bottoms out in January near -13°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from -5 to 16°C. Precipitation is moderate at around 299mm for the season, averaging 100mm per month. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 26°C. Rainfall is relatively light, with around 136mm over the season and a monthly average of 45mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -4 to 21°C. Rainfall is relatively light, with around 137mm over the season and a monthly average of 46mm. Expect around 28cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from -13 to 1°C. Rainfall is relatively light, with around 141mm over the season and a monthly average of 47mm. Expect around 134cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Diyadin is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 45mm per month. By contrast, January can be quite cold with temperatures dropping to -13°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Diyadin based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.