Climate Insights for Tatvan

The climate in Tatvan is temperate. The average annual temperature is 11°C and approximately 818mm of precipitation falls per year. March is the wettest month, receiving around 161mm of rainfall. Tatvan 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, February, December, when temperatures can drop to -5°C. Tatvan experiences heavy snowfall, typically from January through December.

Temperatures in Tatvan vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Tatvan is a moderately rainy area, receiving approximately 818mm of precipitation annually, which averages out to around 68mm per month. The wettest month is March, averaging 161mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 157mm less than March, 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. Tatvan receives heavy snowfall, accumulating around 278cm annually from January through December. The snowiest month is January, with approximately 86cm. Winter travel should account for significant snow cover.

Tatvan 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 May, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/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, 12km/h in autumn.

It is currently spring in Tatvan, which began on March 20, 2026. Tatvan 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 30°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Tatvan is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 8mm per month. By contrast, January can be quite cold with temperatures dropping to -5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Tatvan 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.