Climate Insights for Bayan

The climate in Bayan is cool. The average annual temperature is 5°C and approximately 741mm of precipitation falls per year. August is the wettest month, receiving around 164mm of rainfall. Bayan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -23°C. Snowfall occurs from January to December, with around 57cm accumulating over the season.

Bayan has a wide annual temperature range, spanning 51°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 24°C. January brings the harshest conditions, with lows dropping to -23°C and an average temperature of -18°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 12°C shift in average temperatures.

Bayan is a relatively dry area, receiving approximately 741mm of precipitation annually, which averages out to around 62mm per month. The wettest month is August, averaging 164mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 6mm. That's 159mm less than August, 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 57cm accumulating over the season. November typically sees the most snow at around 22cm.

Bayan is mildly breezy, 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 April, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, 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 5km/h gap between the calmest and windiest months.

It is currently summer in Bayan, which began on June 21, 2026. Bayan 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 July at around 28°C, while the coldest stretch bottoms out in January near -23°C. Autumn is next, beginning on September 23, 2026 (9 days from now).

The best time to visit Bayan is during May and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 84mm per month. By contrast, July can be uncomfortably hot with highs reaching 28°C, while January is the coldest period with lows dropping to -23°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 Bayan 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.