The weather in July in Islay

It's cool to moderate in July in Islay with an average temperature of 17°C. Temperatures this month range from a low of 16°C to a high of 19°C. At night, you can expect temperatures between 10°C and 13°C.

Looking for sun and warm weather? July isn’t a good month to be in Islay. The temperatures are too low for a warm stay this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Islay, Scotland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 26°C in 2021, Islay reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 11°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 16°C.

Water temperature

The water temperature at Islay is 11°C this month. This is too cold to swim without protective gear.

Rainfall amount

In July, there is an average of 99 mm of precipitation, spread over 13 days. The wind speed is around 5 Bft, mostly coming from the Southwest.

Daily weather in July for Islay

Click on any day in July to get detailed info about the usual weather on that day in Islay. Check out the historical temperatures and precipitation over the past 10 years on this day.

July weather comparison

  Islay New York
Average temperature 17°C 31°C
Max. temperature 19°C 33°C
Min. temperature 10°C -5°C
Total precipitation 99 mm 160 mm
Rainy days 13 days 18 days

Start of July

The month of July starts in Islay with cool temps, averaging around 17°C during the day and nights around 11°C.

Mid July

By mid-July, daytime temps rise to around 18°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of July

By the end of July, the average daytime temperature in Islay is around 18°C, while nighttime temps are about 13°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Islay for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in July in Islay, Scotland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in July in Islay

Temperature in July in Islay over the years

Precipitation charts

These charts show the average amount of precipitation in July in Islay, Scotland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in July in Islay

Total precipitation in July in Islay over the years

Daily UV index in July in Islay

This chart shows the average daily UV index in July in Islay, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in July in Islay

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Average weather in Islay by month

Click on a month below to see detailed weather info for Islay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.