Climate Overview
The climate in Ayaş is temperate. The average annual temperature is 13°C and approximately 396mm of precipitation falls per year. January is the wettest month, receiving around 63mm of rainfall. Ayaş is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to -3°C. Light snow can occur between January and December.
Temperature
Ayaş has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is August, when average highs reach 33°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 13°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
Ayaş is a quite dry location, receiving approximately 396mm of precipitation annually, which averages out to around 33mm per month. The wettest month is January, averaging 63mm of rainfall. March and December also tend to see above-average precipitation. The driest month is August, with just 7mm. That's 57mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 30cm annually. January is the snowiest month with approximately 13cm.
Wind
Ayaş is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 10km/h in winter, 13km/h in spring, 13km/h in summer, 10km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Ayaş, which began on March 20, 2026. Ayaş 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 33°C, while the coldest stretch bottoms out in January near -3°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 1 to 23°C. Rainfall is relatively light, with around 129mm over the season and a monthly average of 43mm. Winds are generally light, averaging 13km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 14 to 33°C. Rainfall is relatively light, with around 50mm over the season and a monthly average of 17mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 1 to 28°C. Rainfall is relatively light, with around 65mm over the season and a monthly average of 22mm. Winds are generally light, averaging 10km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -3 to 10°C. Precipitation is moderate at around 152mm for the season, averaging 51mm per month. Expect around 23cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Ayaş is during May, June, July and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 23mm per month. By contrast, August can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to -3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Ayaş 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.