Climate Overview
The climate in NRAO Green Bank Airport is temperate. The average annual temperature is 10°C and approximately 1371mm of precipitation falls per year. NRAO Green Bank Airport receives a notable amount of rainfall throughout the year, including during its driest month. NRAO Green Bank 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, December, February, when temperatures can drop to -5°C. Snowfall occurs from January to December, with around 129cm accumulating over the season.
Temperature
Temperatures in NRAO Green Bank Airport vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 21°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -1°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.
Precipitation
NRAO Green Bank Airport is a fairly wet location, receiving approximately 1371mm of precipitation annually, which averages out to around 114mm per month. The wettest month is May, averaging 174mm of rainfall. April and February also tend to see above-average precipitation. The driest month is November, with just 84mm. That's 90mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 129cm accumulating over the season. January typically sees the most snow at around 32cm.
Wind
NRAO Green Bank Airport is relatively calm, with an average annual wind speed of 3km/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 August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
79 days until Autumn
It is currently summer in NRAO Green Bank Airport, which began on June 21, 2026. NRAO Green Bank 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 26°C, while the coldest stretch bottoms out in January near -5°C. Autumn is next, beginning on September 23, 2026 — 79 days from now.
Spring
Temperatures range from 0 to 20°C. Rainfall is heavy, totalling around 396mm across the season with a monthly average of 132mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 26°C. Rainfall is heavy, totalling around 344mm across the season with a monthly average of 115mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 22°C. Rainfall is heavy, totalling around 307mm across the season with a monthly average of 102mm. Expect around 10cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -5 to 7°C. Rainfall is heavy, totalling around 324mm across the season with a monthly average of 108mm. Expect around 83cm of snow accumulation during this period. Winds are generally light, averaging 3km/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 NRAO Green Bank 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.
