Johnston weather in May (Dyfed, United Kingdom)

What's the typical weather in Johnston for May? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

Typically, May in Johnston includes moderate temperatures and moderate rainfall. During the daylight hours, temperatures often reach 15°C. After dark they usually decrease to around 10°C.

Precipitation

Johnston in May usually receives moderate rainfall, averaging around 67 mm for the month. With the least rainfall of the year, this month offers optimal conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Past climate data indicates that roughly 14 days will see rain.

Should you favor a climate that's both dry and comfortably warm July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Johnston, monthly averages in May

Min Temperature 10°C  

Max Temperature 15°C  

Chance of Rain 47%  

Precipitation 67 mm  

Rainy days 14 days  

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.

Cycling

6/10

Walking

6/10

Barbeque

5/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

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

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.