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WalesThe climate of Gwynedd
The current climate in Gwynedd features temperatures ranging from a high of 19°C to a low of 8°C throughout the year. The average yearly temperature is around 14°C. At night, temperatures in the colder months average around 3°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 Gwynedd, Wales.
Temperature records
The highest temperature recorded in Gwynedd in recent years was 33°C in July 2022. The lowest daytime temperature recorded was -1°C in March 2018.
Precipitation and snowfall
On average, Gwynedd gets 1245 mm of precipitation each year. Of this, about 3,6 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Gwynedd?
The best time to visit Gwynedd for mild to warm weather is May up to September. You might get some rain, but the temperatures are just right to explore Gwynedd.
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Climate Table of Gwynedd
The climate table of Gwynedd shows the average temperatures, rainfall, snow, 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) | 8 | 9 | 10 | 12 | 15 | 18 | 19 | 19 | 17 | 14 | 11 | 9 |
| Temp. min (°C) | 4 | 4 | 4 | 6 | 8 | 11 | 13 | 13 | 11 | 10 | 7 | 6 |
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| Precipitation (mm) | 146 | 96 | 96 | 41 | 62 | 67 | 81 | 91 | 106 | 121 | 150 | 188 |
| Snow (cm) | 0,7 | 0,3 | 2,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,2 | 0,2 |
| 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 Gwynedd, Wales. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Gwynedd
Yearly Temperature in Gwynedd
Precipitation charts
These charts show the average amount of precipitation in Gwynedd, 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 Gwynedd
Total Yearly Precipitation in Gwynedd
Average Snowfall per Month in Gwynedd
Total Yearly Snowfall in Gwynedd
UV index chart
This chart shows the average UV index per month in Gwynedd, 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 Gwynedd
Weather experiences in Gwynedd
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Average weather in Gwynedd by month
Click on a month below to see detailed weather info for Gwynedd. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.