Climate Insights for Tatvan

The climate in Tatvan is temperate. The average annual temperature is 10°C and approximately 814mm of precipitation falls per year. March is the wettest month, receiving around 130mm 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 -6°C. Tatvan experiences heavy snowfall, typically from January through December.

Temperatures in Tatvan 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 28°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.

Tatvan is a moderately rainy area, receiving approximately 814mm of precipitation annually, which averages out to around 68mm per month. The wettest month is March, averaging 130mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 5mm. That's 125mm 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 364cm annually from January through December. The snowiest month is January, with approximately 111cm. Winter travel should account for significant snow cover.

Tatvan 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 May, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently summer in Tatvan, which began on June 21, 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 28°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 — 92 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 21°C with modest rainfall averaging 11mm per month. By contrast, January can be quite cold with temperatures dropping to -6°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.