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What’s the climate like in Iona?

The current climate of Iona features average monthly temperatures ranging from highs of 17°C during the day to lows of 8°C. The average yearly temperature is around 13°C. At night, temperatures in the colder months average around 4°C and in the warmer months around 12°C.

The highest temperature recorded in Iona in recent years was 25°C in June 2023. The lowest daytime temperature recorded was 1°C in February 2018.

On average, Iona gets 1313 mm of precipitation each year. Of this, about 3,7 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.

Best time to visit Iona?

The best time to visit Iona for pleasant to warm weather is June through September. There might be some rain during this period, but the temperatures are just right for exploring Iona.

Climate Table of Iona

The climate table of Iona shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 8 8 9 11 13 16 16 17 16 13 11 9
Temp. min (°C) 5 4 5 6 8 11 12 12 11 9 7 6
Precipitation
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Precipitation (mm) 132 116 99 48 68 58 95 95 104 155 124 219
Snow (cm) 1,6 0,5 0,1 1,3 0 0 0 0 0 0 0 0,2
UV Index 1 2 3 5 6 6 5 4 4 2 1 1

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 13°C
  • Highest temperature: 17°C in August
  • Lowest temperature: 8°C in January and February
  • Precipitation*: 1313 mm per year, averaging 109 mm per month
  • Snowfall: 3,7 cm per year
  • Driest months: 48 mm in April, 58 mm in June and 68 mm in May
  • Wettest months: 219 mm in December, 155 mm in October and 132 mm in January

*Precipitation is measured as a combination of rain, snow, and hail

Average Temperature per Month in Iona

This graph shows the average maximum temperatures per month in Iona, Scotland. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Iona, Scotland,

Average Precipitation per Month in Iona

This graph shows how much precipitation Iona, Scotland, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Iona, Scotland,

Average Snowfall per Month in Iona

This graph shows how much snow Iona, Scotland, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Iona, Scotland,

Average UV Index per Month in Iona

This graph shows the average UV index per month in Iona, Scotland. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Iona, Scotland,

Yearly Temperature in Iona

This graph shows the average yearly temperature in Iona, Scotland. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Iona, Scotland,

Total Yearly Precipitation in Iona

This chart shows the total yearly precipitation in Iona, Scotland, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Iona, Scotland,

Total Yearly Snowfall in Iona

This chart shows the total yearly snowfall in Iona, Scotland, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Iona, Scotland,

Weather experiences in Iona

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Average Weather in Iona by Month

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

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