Besttimetovisit.com.pkClimate of Portsmouth
Portsmouth has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Portsmouth is 13° degrees and there is about 399 mm of rain in a year. It is dry for 164 days a year with an average humidity of 82% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 8°C and 19°C
- Night:the average nighttime temperature is between 5°C and 14°C
- Sea temperature: the sea temperature is between 10°C and 18°C
- Rain: it rains 165 days and there is a total of approximately 398 mm rainfall
- Snow: it snows an average of 4 days per year
- Sun hours: throughout the year there are 2495 sun hours
| Maximum temperature: | between 8°C and 19°C |
| Warmest month: | 19°C in July |
| Coldest month: | 8°C in January |
| Night temperature: | between 5°C and 14°C |
| Sea temperature: | between 10°C and 18°C |
| Dry days: | 196 days |
| Days with rain: | 165 days |
| Days with snow: | 4 days |
| Total rain sum: | 398 mm |
| Hours of sunshine: | 2495 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Portsmouth.
Precipitation graph
This graph shows the average amount of rainfall per month for Portsmouth.
Climate table of Portsmouth
In this climate table you can see at a glance what the average weather per month is for Portsmouth. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Portsmouth might be like in a given month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°C) | 8 | 8 | 10 | 12 | 14 | 17 | 19 | 19 | 18 | 15 | 12 | 9 |
| Night temp. (°C) | 5 | 5 | 5 | 7 | 9 | 12 | 14 | 14 | 13 | 11 | 9 | 6 |
| Water temp. (°C) | 11 | 10 | 10 | 11 | 13 | 15 | 17 | 18 | 18 | 17 | 17 | 14 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (mm) | 38 | 34 | 29 | 22 | 27 | 25 | 29 | 30 | 22 | 39 | 53 | 50 |
| Days with rain | 16 | 13 | 12 | 13 | 13 | 13 | 15 | 12 | 11 | 15 | 17 | 15 |
| Days with snow | 1 | 2 | - | - | - | - | - | - | - | - | - | 1 |
| Dry days | 14 | 13 | 19 | 17 | 18 | 17 | 16 | 19 | 19 | 16 | 13 | 15 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 4 | 4 | 6 | 9 | 9 | 9 | 10 | 9 | 8 | 5 | 4 | 4 |
| Wind force (Bft) | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| UV-index | 2 | 2 | 3 | 3 | 4 | 5 | 5 | 5 | 4 | 4 | 3 | 3 |
Best time to visit Portsmouth
The best time to visit Portsmouth in England is from July through September. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Portsmouth is 19°C in July and the lowest is 8°C in January. The maximum water temperature is 18°C and the lowest water temperature is 10°C.
Climate of Portsmouth by month
What is the average climate in a given month for Portsmouth? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Portsmouth weather experiences
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