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WalesThe climate of Holy Island
The current climate in Holy Island features temperatures ranging from a high of 19°C to a low of 9°C throughout the year. The average yearly temperature is around 14°C. At night, temperatures in the colder months average around 4°C and in the warmer months around 13°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Holy Island, Wales.
Temperature records
The highest temperature recorded in Holy Island in recent years was 32°C in July 2022. The lowest daytime temperature recorded was -1°C in March 2018.
Rainfall amount
On average, Holy Island receives 905 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Holy Island?
The best time to visit Holy Island for sunny weather is June through September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Holy Island. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Holy Island
The climate table of Holy Island shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 9 | 9 | 10 | 13 | 15 | 18 | 19 | 19 | 18 | 15 | 12 | 10 |
| Temp. min (°C) | 5 | 5 | 5 | 7 | 9 | 12 | 14 | 14 | 12 | 10 | 7 | 6 |
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| Precipitation (mm) | 90 | 82 | 64 | 38 | 53 | 50 | 59 | 71 | 74 | 111 | 100 | 113 |
| UV Index | 1 | 3 | 4 | 6 | 7 | 7 | 6 | 5 | 5 | 3 | 2 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Holy Island, Wales. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Holy Island
Yearly Temperature in Holy Island
Precipitation charts
These charts show the average amount of precipitation in Holy Island, Wales. 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.
Average Precipitation per Month in Holy Island
Total Yearly Precipitation in Holy Island
UV index chart
This chart shows the average UV index per month in Holy Island, Wales. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Holy Island
Weather experiences in Holy Island
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Average weather in Holy Island by month
Click on a month below to see detailed weather info for Holy Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.