Portsmouth weather in May (Hampshire, United Kingdom)

Planning a trip to Portsmouth in May? Here's what the weather might have in store during this month.

In May, Portsmouth typically experiences moderate temperatures and moderate rainfall. Anticipate daytime temperatures around 17°C, while night temperatures can drop to 10°C.

Portsmouth in May usually receives moderate rainfall, averaging around 58 mm for the month. Rain is expected on roughly 12 days.

The city usually sees around 215 hours of sunlight, indicating many sunny days.

In case you lean more towards enjoying temperate temperatures and rain-free days July and August typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

Portsmouth, monthly averages in May

Min Temperature 10°C  

Max Temperature 17°C  

Chance of Rain 41%  

Precipitation 58 mm  

Rainy days 12 days  

Humidity 74% *  

Sunshine 215 hours *  

Percentage Sunshine 44% *  

* Data from: Southampton, the United Kingdom (25 KM, 15 Miles).

Where to go in the United Kingdom in May

Find out more about the weather in the United Kingdom in May and which places have the best weather 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 Portsmouth in May?

For visitors traveling to Portsmouth, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Portsmouth.

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 climate conditions. Find out where to go with our weather planner.