Climate Overview
The climate in Fort Sumner Municipal Airport is temperate. The average annual temperature is 16°C and approximately 300mm of precipitation falls per year. October is the wettest month, receiving around 49mm of rainfall. Fort Sumner Municipal Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to -1°C. Light snow can occur between January and December.
Temperature
Fort Sumner Municipal Airport has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is July, when average highs reach 35°C and the mean temperature sits around 28°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 4°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Fort Sumner Municipal Airport is a quite dry location, receiving approximately 300mm of precipitation annually, which averages out to around 25mm per month. The wettest month is October, averaging 49mm of rainfall. August and May also tend to see above-average precipitation. The driest month is February, with just 10mm. That's 39mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 18cm annually. January is the snowiest month with approximately 4cm.
Wind
Fort Sumner Municipal Airport is moderately windy, with an average annual wind speed of 26km/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 30km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 8km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 27km/h in winter, 29km/h in spring, 23km/h in summer, 24km/h in autumn.
Seasons
84 days until Summer
It is currently spring in Fort Sumner Municipal Airport, which began on March 20, 2026. Fort Sumner Municipal 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 35°C, while the coldest stretch bottoms out in January near -1°C. Summer is next, beginning on June 21, 2026 — 84 days from now.
Spring
Temperatures range from 4 to 29°C. Rainfall is relatively light, with around 71mm over the season and a monthly average of 24mm. Winds are strong, averaging 29km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 18 to 35°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Winds are moderate at around 23km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 4 to 30°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Winds are moderate at around 24km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -1 to 16°C. Precipitation is minimal, with only around 36mm for the entire season. Expect around 12cm of snow accumulation during this period. Winds are strong, averaging 27km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Fort Sumner Municipal Airport is during April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 32mm per month. By contrast, July can be uncomfortably hot with highs reaching 35°C, while January is the coldest period with lows dropping to -1°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Fort Sumner Municipal 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.