Climate Insights for Ilgaz

The climate in Ilgaz is temperate. The average annual temperature is 10°C and approximately 664mm of precipitation falls per year. May is the wettest month, receiving around 109mm of rainfall. Ilgaz 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 -5°C. Snowfall occurs from January to December, with around 149cm accumulating over the season.

Temperatures in Ilgaz vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 21°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Ilgaz is a relatively dry area, receiving approximately 664mm of precipitation annually, which averages out to around 55mm per month. The wettest month is May, averaging 109mm of rainfall. June and January also tend to see above-average precipitation. The driest month is July, with just 20mm. That's 89mm less than May, 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. Snowfall is a regular feature from January to December, with around 149cm accumulating over the season. January typically sees the most snow at around 57cm.

Ilgaz is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Ilgaz, which began on June 21, 2026. Ilgaz 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 29°C, while the coldest stretch bottoms out in January near -5°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Ilgaz is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 39mm per month. By contrast, January can be quite cold with temperatures dropping to -5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Ilgaz 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.