Climate Overview
The climate in Buffalo Niagara International Airport is cool. The average annual temperature is 10°C and approximately 1152mm of precipitation falls per year. Buffalo Niagara International Airport receives a notable amount of rainfall throughout the year, including during its driest month. Buffalo Niagara International Airport 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, February, December, when temperatures can drop to -6°C. Buffalo Niagara International Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Buffalo Niagara International Airport vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 22°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 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.
Precipitation
Buffalo Niagara International Airport is a moderately rainy area, receiving approximately 1152mm of precipitation annually, which averages out to around 96mm per month. The wettest month is October, averaging 134mm of rainfall. April and December also tend to see above-average precipitation. The driest month is September, with just 67mm. That's 68mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Buffalo Niagara International Airport receives heavy snowfall, accumulating around 206cm annually from January through December. The snowiest month is February, with approximately 47cm. Winter travel should account for significant snow cover.
Wind
Buffalo Niagara International Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
6 days until Summer
It is currently spring in Buffalo Niagara International Airport, which began on March 20, 2026. Buffalo Niagara International Airport 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 27°C, while the coldest stretch bottoms out in January near -6°C. Summer is next, beginning on June 21, 2026 — 6 days from now.
Spring
Temperatures range from -2 to 19°C. Rainfall is heavy, totalling around 306mm across the season with a monthly average of 102mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 27°C. Precipitation is moderate at around 268mm for the season, averaging 89mm per month. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 1 to 23°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Expect around 24cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -6 to 3°C. Precipitation is moderate at around 290mm for the season, averaging 97mm per month. Expect around 140cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Buffalo Niagara International Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 84mm per month. By contrast, January can be quite cold with temperatures dropping to -6°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.
Monthly Climate Data
The table below shows monthly climate averages for Buffalo Niagara International Airport 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.
