Portsmouth weather in May (Hampshire, United Kingdom)

Is Portsmouth a good destination in May, weather-wise? Check out this detailed guide to the month’s weather conditions.

Temperatures

During May, Portsmouth usually has moderate temperatures and moderate rainfall. Expect daytime highs to reach approximately 17°C, with nighttime lows dipping to around 10°C.

Precipitation

Portsmouth in May usually receives moderate rainfall, averaging around 58 mm for the month. Analyzing past climate data, one can expect approximately 12 days of rain.

Average sunshine

With approximately 215 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

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 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?

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.

Cycling

6/10

Walking

6/10

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