Portsmouth weather in May 2024

Expect 19°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Portsmouth in May. Check more long-term weather averages for Portsmouth in May before you book your next holiday to New Hampshire in 2024/2025.

19
19°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
6
6°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
86
86 mm of monthly rainfall
7
7 (High) UV index
9
9°C sea temperature

More about Portsmouth

Portsmouth by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Hampshire

Hopper: Exclusive deals on hotels worldwide

Sale

Check out exclusive hotel deals available in Hopper App
Save on hotels, flights & car hire in 2023/2024
Download & use for FREE. No hidden charges

Go to Hopper deal >>

The May weather guide for New Hampshire (Portsmouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about the USA

How hot is it in Portsmouth in May?

Daytime temperatures usually reach 19°C in Portsmouth in May, falling to 6°C at night.

How sunny is it in Portsmouth in May?

There are normally 8 hours of bright sunshine each day in Portsmouth in May - that's 55% of daylight hours.

Is the sea cold around Portsmouth in May?

The average sea temperature around Portsmouth in May is 9°C.

Does it rain in Portsmouth in May?

There are usually 12 days with some rain in Portsmouth in May and the average monthly rainfall is 86mm.

Portsmouth May sunrise & sunset times

Browse the sunrise and sunset times for Portsmouth in May 2024. Select a month to view Portsmouth sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Wednesday, 1st May 2024	05:36	19:45
Thursday, 16th May 2024	05:18	20:01
Friday, 31st May 2024	05:07	20:15

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

New Hampshire - quick facts
Flight time^✝	11.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	New Hampshire Division of Travel & Tourism Development