Climate averages 1991–2020
Portsmouth weather
in November.
A cool, wet month: the 8th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
November is a cool month in Portsmouth: daytime highs average 11.0°C and nights cool to about 6.5°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 99 mm of rain on roughly 14 days, which makes November a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 01 min on an average November day.
The nearest other city in this atlas is Southampton (25 km away). In November its highs average 10.8°C, about as warm as Portsmouth, with 75 mm of rain.
Among the 143 cities listed in the United Kingdom, Portsmouth ranks joint 5th of 143 for the warmest November highs and 125th of 143 for the driest November (rainfall, lowest first). The mean November high of those 143 cities is 9.7°C; Portsmouth is 1.2°C warmer than that mean.
From November to December, average highs fall by 2.5°C to 8.4°C, and monthly rainfall falls from 99 mm to 92 mm.
The annual picture
November in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Portsmouth climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.9°C3.7°C | 3.7°C | 83 | 13.4 | 8.58 h |
| February | 8.1°C3.3°C | 3.3°C | 61 | 10.6 | 10.010 h |
| March | 10.3°C4.4°C | 4.4°C | 50 | 10.0 | 11.812 h |
| April | 12.9°C6.0°C | 6.0°C | 52 | 9.7 | 13.814 h |
| May | 16.0°C9.0°C | 9.0°C | 50 | 9.1 | 15.515 h |
| June | 18.7°C11.8°C | 11.8°C | 51 | 9.4 | 16.416 h |
| July | 20.8°C14.0°C | 14.0°C | 52 | 9.6 | 16.016 h |
| August | 20.6°C14.1°C | 14.1°C | 64 | 9.9 | 14.515 h |
| September | 18.3°C12.2°C | 12.2°C | 62 | 10.2 | 12.713 h |
| October | 14.7°C9.7°C | 9.7°C | 96 | 13.4 | 10.811 h |
| November, selected | 11.0°C6.5°C | 6.5°C | 99 | 13.8 | 9.09 h |
| December | 8.4°C4.3°C | 4.3°C | 92 | 13.4 | 8.08 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
November in nearby cities
- Southampton in NovemberUnited Kingdom · 25 kmHigh 10.8°C · Low 6.4°C · 75 mm rain
- Worthing in NovemberUnited Kingdom · 50 kmHigh 11.0°C · Low 7.1°C · 111 mm rain
- Basingstoke in NovemberUnited Kingdom · 52 kmHigh 10.1°C · Low 4.9°C · 68 mm rain
- Bournemouth in NovemberUnited Kingdom · 56 kmHigh 11.1°C · Low 7.5°C · 84 mm rain
- Guildford in NovemberUnited Kingdom · 61 kmHigh 10.5°C · Low 5.1°C · 66 mm rain
- Poole in NovemberUnited Kingdom · 64 kmHigh 11.2°C · Low 7.6°C · 84 mm rain
- Hove in NovemberUnited Kingdom · 65 kmHigh 10.9°C · Low 7.0°C · 116 mm rain
- Brighton in NovemberUnited Kingdom · 67 kmHigh 10.8°C · Low 6.9°C · 116 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Portsmouth) is explained once on the Portsmouth year overview and on the Sources, method and limits page.