Climate Overview
The climate in Exeter Airport is warm and mild. The average annual temperature is 18°C and approximately 571mm of precipitation falls per year. March is the wettest month, receiving around 137mm of rainfall. Exeter Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are December, February, January, when temperatures can drop to 5°C.
Temperature
Temperatures in Exeter Airport vary considerably across the year, with a 32°C difference between the coldest and warmest months. July is the hottest month, with daytime highs reaching 37°C and an average of 29°C. December is the coolest month, with minimum temperatures around 5°C and an average of 10°C. On average, daily temperatures fluctuate by about 13°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
Exeter Airport is a relatively dry area, receiving approximately 571mm of precipitation annually, which averages out to around 48mm per month. The wettest month is March, averaging 137mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 136mm less than March, 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.
Wind
Exeter Airport is relatively calm, with an average annual wind speed of 9km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
86 days until Summer
It is currently spring in Exeter Airport, which began on March 20, 2026. Exeter 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 37°C, while the coldest stretch bottoms out in December near 5°C. Summer is next, beginning on June 21, 2026 — 86 days from now.
Spring
Temperatures range from 8 to 27°C. Precipitation is moderate at around 206mm for the season, averaging 69mm per month. Winds are generally light, averaging 10km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 18 to 37°C. Precipitation is minimal, with only around 12mm for the entire season. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 8 to 33°C. Rainfall is relatively light, with around 65mm over the season and a monthly average of 22mm. Winds are generally light, averaging 9km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 5 to 17°C. Precipitation is moderate at around 289mm for the season, averaging 96mm per month. Winds are generally light, averaging 9km/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 Exeter Airport is during April, May and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 26mm per month. By contrast, July can be uncomfortably hot with highs reaching 37°C, while December is the coldest period with lows dropping to 5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Exeter 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. 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.
