Climate Overview
The climate in Islay Airport is temperate. The average annual temperature is 11°C and approximately 1183mm of precipitation falls per year. Islay Airport receives a notable amount of rainfall throughout the year, including during its driest month. Islay 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 February, March, January, when temperatures can drop to 5°C.
Temperature
Islay Airport sees moderate temperature variation throughout the year, ranging from 5°C to 17°C. August is the warmest month, though highs remain moderate at 17°C with a mean of 15°C. February is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Islay Airport is a moderately rainy area, receiving approximately 1183mm of precipitation annually, which averages out to around 99mm per month. The wettest month is December, averaging 130mm of rainfall. October and November also tend to see above-average precipitation. The driest month is April, with just 63mm. That's 67mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Islay Airport is moderately windy, with an average annual wind speed of 28km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 35km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 12km/h gap 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 34km/h in winter, 27km/h in spring, 23km/h in summer, 29km/h in autumn.
Seasons
87 days until Summer
It is currently spring in Islay Airport, which began on March 20, 2026. Islay 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 17°C, while the coldest stretch bottoms out in February near 5°C. Summer is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 5 to 14°C. Precipitation is moderate at around 229mm for the season, averaging 76mm per month. Winds are strong, averaging 27km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 11 to 17°C. Precipitation is moderate at around 284mm for the season, averaging 95mm per month. Winds are moderate at around 23km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 7 to 16°C. Rainfall is heavy, totalling around 321mm across the season with a monthly average of 107mm. Winds are strong, averaging 29km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 5 to 10°C. Rainfall is heavy, totalling around 349mm across the season with a monthly average of 116mm. Winds are strong, averaging 34km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Islay 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.