Climate Overview
The climate in Bylym is cool. The average annual temperature is 5°C and approximately 1204mm of precipitation falls per year. Bylym receives a notable amount of rainfall throughout the year, including during its driest month. Bylym 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 -10°C. Bylym experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Bylym vary considerably across the year, with a 30°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 20°C with a mean of 15°C. The coldest month is January, when overnight lows fall to -10°C and the daily average is -6°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 6°C shift in average temperatures.
Precipitation
Bylym is a fairly wet location, receiving approximately 1204mm of precipitation annually, which averages out to around 100mm per month. The wettest month is May, averaging 192mm of rainfall. June and July also tend to see above-average precipitation. The driest month is November, with just 38mm. That's 154mm 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. Bylym receives heavy snowfall, accumulating around 297cm annually from January through December. The snowiest month is March, with approximately 71cm. Winter travel should account for significant snow cover.
Wind
Bylym 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 April, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 1km/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.
Seasons
84 days until Autumn
It is currently summer in Bylym, which began on June 21, 2026. Bylym 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 20°C, while the coldest stretch bottoms out in January near -10°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from -5 to 14°C. Rainfall is heavy, totalling around 393mm across the season with a monthly average of 131mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 8 to 20°C. Rainfall is heavy, totalling around 486mm across the season with a monthly average of 162mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 16°C. Precipitation is moderate at around 186mm for the season, averaging 62mm per month. Expect around 56cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -10 to 1°C. Rainfall is relatively light, with around 138mm over the season and a monthly average of 46mm. Expect around 121cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Bylym 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.