Best time to go to Snowdonia National Park Average weather of Snowdonia National Park, Wales

When is the best time to go to Snowdonia National Park?

When is the best time to go to Snowdonia National Park? Here's some information to help you in your decision:

The best months in Snowdonia National Park are June, July, August and September
The coldest months are January and February
The rainiest months are January, June, July, August, October, November and December

Annual weather in Snowdonia National Park

For full information about the climate and weather in Snowdonia National Park a specific month, click on the corresponding line below:

Month			Our opinion
January	34°F/40°F	6.3in	very bad weather	Snowdonia National Park in january
February	34°F/41°F	5.4in	very bad weather	Snowdonia National Park in february
March	36°F/43°F	4.8in	very bad weather	Snowdonia National Park in march
April	40°F/49°F	3.9in	very bad weather	Snowdonia National Park in april
May	45°F/54°F	5in	bad weather	Snowdonia National Park in may
June	50°F/59°F	5.7in	tolerable weather	Snowdonia National Park in june
July	54°F/61°F	5.9in	tolerable weather	Snowdonia National Park in july
August	52°F/59°F	5.8in	tolerable weather	Snowdonia National Park in august
September	49°F/58°F	5in	tolerable weather	Snowdonia National Park in september
October	45°F/52°F	6.6in	bad weather	Snowdonia National Park in october
November	41°F/45°F	6.9in	very bad weather	Snowdonia National Park in november
December	38°F/43°F	7in	very bad weather	Snowdonia National Park in december

Weather and climate in Snowdonia National Park

Snowdonia National Park enjoys a temperate oceanic climate (with warm summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Snowdonia National Park is 50°F (ranging from 40°F in january to 61°F in july). Annual rainfall is 68in, with a minimum of 3.9in in april and a maximum of 7in in december.

Between the months of january and march the climate is very unfavorable. In average, on the morning it is 38°F and, in march, 7 days of rain are expected.
From april to may the climate is unfavorable. It is for example 54°F as maximum temperature in may and it rains in may about 5in.
Between the months of june and october the climate is not good, but still OK. It is for example 52°F as maximum temperature in october.
In november the climate is bad. The record temperature this month is 61°F and it rains in november about 6.9in.
In december the climate is very bad. By early evening, the temperature averages 40°F and you can expect to have 7in of rainfall/month during this period.

Charts: temperature and rainfall in Snowdonia National Park

In the charts below, you can see the following seasonal norms for the city of Snowdonia National Park: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

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