Portsmouth in may: average Weather, Temperature and Climate
Weather in Portsmouth in may 2025
The weather in Portsmouth in may comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather
Weather at 6am
52°F
Clear/Sunny
32% of time
30%
20%
12%
Weather at 12pm
59°F
Clear/Sunny
32% of time
30%
17%
16%
Weather at 6pm
58°F
Clear/Sunny
33% of time
29%
21%
15%
Weather at 3am
50°F
32%
31%
15%
13%
Evolution of daily average temperature and precipitation in Portsmouth in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Portsmouth in may.
The climate of Portsmouth in may is tolerable
The climate in may in Portsmouth is wet (with 2.8in of rainfall over 5 days). Unfortunately, the weather conditions is worsening than the previous month since in april there is an average of 2.3in of rainfall over 4 days.
The climate is quite fresh there this month, but it is bearable by dressing cosy. Temperatures are up to 59°F. The seasonal minimum is 52°F. Thus, the mean temperature average on this month of may in Portsmouth is 56°F. Note that these seasonal averages are in contrast with those observed in Portsmouth in may with a maximum record of 72°F in 2010 and a minimum record of 40°F in 2013. You can hope to have about 4 days with temperatures above 65°F, or 13% of the month.
On average, in Portsmouth, the days of may last 15:32. The sun rises at 04:15 and sets at 19:47.
With proper weather, this month is okay (but not good) to go in this locality in England (United Kingdom).
Portsmouth: another month?
If you can push back the dates of your trip, we advise you to go in june to Portsmouth. more information
May: another location in England?
If you want to go to England in may, there are destinations with better weather than Portsmouth:
In may, London, Bristol, Cambridge, Southampton, Tunbridge Wells and Chester have good weather.
Seasonal average climate and temperature of Portsmouth in may
Check below seasonal norms These statistics are compiled from the weather statements of the last years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 56°F | ||||
| Highest temperature | 59°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 72°F (2010) | ||||
| Lowest record temperature | 40°F (2013) | ||||
| Number of days at +65°F | 4 day(s) (13%) | ||||
| Sea temperature | |||||
| Average sea temperature | 53°F | ||||
| Lowest sea temperature | 50°F | ||||
| Highest sea temperature | 55°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.8in | ||||
| Number of days with rainfall | 5 day(s) (15%) | ||||
| Record daily rainfall | 1.4in (2017) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.36km | ||||
| Cloud cover | 43% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:15 | ||||
| Time of sunset | 19:47 | ||||
| Length of day | 15:32 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last may?
Here is the day by day recorded weather in Portsmouth in may 2024:
49°F to 58°F
52°F to 54°F
49°F to 56°F
49°F to 56°F
50°F to 56°F
50°F to 58°F
50°F to 59°F
52°F to 61°F
54°F to 61°F
54°F to 61°F
54°F to 63°F
58°F to 63°F
54°F to 61°F
52°F to 59°F
54°F to 59°F
54°F to 59°F
54°F to 61°F
54°F to 61°F
54°F to 65°F
50°F to 65°F
50°F to 56°F
54°F to 61°F
52°F to 56°F
49°F to 59°F
52°F to 59°F
56°F to 59°F
52°F to 58°F
56°F to 59°F
56°F to 61°F
54°F to 61°F
52°F to 59°F
Map: other cities in England in may
Cities near Portsmouth:
| Isle of Wight in may | tolerable weather |
| Southampton in may | good weather |
| Worthing in may | tolerable weather |
| Bournemouth in may | tolerable weather |
| Stonehenge in may | tolerable weather |
| Brighton in may | tolerable weather |
| Seven Sisters in may | tolerable weather |
| Dorset in may | tolerable weather |
| Eastbourne in may | tolerable weather |
| Swindon in may | tolerable weather |
| Weymouth in may | tolerable weather |
| Isle of Portland in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Portsmouth
perfect weather
good
tolerable
bad
very bad
Weather data for Portsmouth in may:
Weather data for Portsmouth for may are derived from an average of the weather forecast since 2009 in Portsmouth. There is a margin of error and these forecasts are to be considered as general information only. The weather in Portsmouth can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Portsmouth.