Climate Overview
The climate in Jomsom Airport is cold. The average annual temperature is -2°C and approximately 1380mm of precipitation falls per year. July is the wettest month, receiving around 359mm of rainfall. Jomsom Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to -19°C. Jomsom Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Jomsom Airport vary considerably across the year, with a 30°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 11°C with a mean of 7°C. January brings the harshest conditions, with lows dropping to -19°C and an average temperature of -13°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 6°C shift in average temperatures.
Precipitation
Jomsom Airport is a fairly wet location, receiving approximately 1380mm of precipitation annually, which averages out to around 115mm per month. The wettest month is July, averaging 359mm of rainfall. August and September also tend to see above-average precipitation. The driest month is November, with just 18mm. That's 341mm less than July, 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. Jomsom Airport receives heavy snowfall, accumulating around 408cm annually from January through December. The snowiest month is January, with approximately 74cm. Winter travel should account for significant snow cover.
Wind
Jomsom Airport is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, 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 0km/h between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Jomsom Airport, which began on June 21, 2026. Jomsom 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 August at around 11°C, while the coldest stretch bottoms out in January near -19°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from -15 to 5°C. Precipitation is moderate at around 178mm for the season, averaging 59mm per month. Winds are generally light, averaging 1km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 2 to 11°C. Rainfall is heavy, totalling around 809mm across the season with a monthly average of 270mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -11 to 9°C. Precipitation is moderate at around 239mm for the season, averaging 80mm per month. Expect around 69cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -19 to -2°C. Precipitation is moderate at around 154mm for the season, averaging 51mm per month. Expect around 152cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Jomsom 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.
