Climate Insights for Razlog

The climate in Razlog is cool. The average annual temperature is 7°C and approximately 1017mm of precipitation falls per year. Razlog receives a notable amount of rainfall throughout the year, including during its driest month. Razlog 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 -8°C. Razlog experiences heavy snowfall, typically from January through December.

Temperatures in Razlog vary considerably across the year, with a 31°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -8°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Razlog is a moderately rainy area, receiving approximately 1017mm of precipitation annually, which averages out to around 85mm per month. The wettest month is June, averaging 133mm of rainfall. May and April also tend to see above-average precipitation. The driest month is September, with just 52mm. That's 82mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Razlog receives heavy snowfall, accumulating around 264cm annually from January through December. The snowiest month is January, with approximately 64cm. Winter travel should account for significant snow cover.

Razlog is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently summer in Razlog, which began on June 21, 2026. Razlog 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 23°C, while the coldest stretch bottoms out in January near -8°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The best time to visit Razlog is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 73mm per month. By contrast, January can be quite cold with temperatures dropping to -8°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Razlog 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.