Caernarfon weather in May (Gwynedd, United Kingdom)

Thinking of visiting Caernarfon in May? Check the weather first! Find out what kind of weather to expect during this month.

Temperatures

During May, Caernarfon usually has moderate temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 15°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 8°C.

Precipitation

Caernarfon in May usually receives moderate rainfall, averaging around 86 mm for the month. With the driest weather of the year, this month is ideal for outdoor fun. Plan your events and outings without worrying about rain. Climate statistics over the past 30 years suggest around 16 days of rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 169 hours hours. A nice balance between sunshine and clouds.

If you prefer dry days with pleasant temperatures, July typically offers the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Caernarfon climate page with graphs.

 

Caernarfon, monthly averages in May

Min Temperature 8°C  

Max Temperature 15°C  

Chance of Rain 53%  

Precipitation 86 mm  

Rainy days 16 days  

Sunshine 169 hours *  

Percentage Sunshine *  

Data from: Bala, the United Kingdom (51 KM, 32 Miles).

Where to go in the United Kingdom in May

Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Caernarfon.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.