Climate Insights for Islay (Matarani)

The climate in Islay (Matarani) is warm and mild. The average annual temperature is 18°C and approximately 172mm of precipitation falls per year. July is the wettest month, receiving around 27mm of rainfall. Islay (Matarani) is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, March, January. The coldest months are August, September, July, when temperatures can drop to 15°C.

Islay (Matarani) has relatively stable temperatures year-round, staying within a 8°C range. February is the warmest month, though highs remain moderate at 23°C with a mean of 22°C. August is the coolest month, with minimum temperatures around 15°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Islay (Matarani) is a quite dry location, receiving approximately 172mm of precipitation annually, which averages out to around 14mm per month. The wettest month is July, averaging 27mm of rainfall. June and August also tend to see above-average precipitation. The driest month is April, with just 6mm. That's 21mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Islay (Matarani) is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/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 19km/h in winter, 19km/h in spring, 17km/h in summer, 18km/h in autumn.

It is currently autumn in Islay (Matarani), which began on March 20, 2026. Islay (Matarani) is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 23°C, while the coldest stretch bottoms out in August near 15°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Islay (Matarani) is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 14mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Islay (Matarani) 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.