Portsmouth GB | ||
|---|---|---|
| Today Fri May 23 | ||
Sat May 24 | ||
Sun May 25 | ||
Mon May 26 | ||
Tue May 27 | ||
Wed May 28 | ||
Thu May 29 |
Today Fri May 23 | Sat May 24 | Sun May 25 | Mon May 26 | Tue May 27 | Wed May 28 | Thu May 29 | Fri May 30 | Sat May 31 | Sun Jun 01 | Mon Jun 02 | Tue Jun 03 | Wed Jun 04 | Thu Jun 05 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Portsmouth GB |
Calculations are based on the last 8 years of historical weather data.
The temperatures in Portsmouth range from a minimum of 4.6°C in January to a maximum of 20.5°C in July.
June through September offer the most comfortable temperatures.
January is the only month where the minimum temperature falls into the discomfort range.
Maximum Temperatures
| Period | Portsmouth |
|---|---|
| Jan | 8.3°C |
| Feb | 9.0°C |
| Mar | 10.1°C |
| Apr | 12.2°C |
| May | 15.6°C |
| Jun | 18.7°C |
| Jul | 20.6°C |
| Aug | 20.4°C |
| Sep | 18.5°C |
| Oct | 15.5°C |
| Nov | 11.8°C |
| Dec | 9.8°C |
| Average | 14.2°C |
Minimum Temperatures
| Period | Portsmouth |
|---|---|
| Jan | 4.7°C |
| Feb | 5.3°C |
| Mar | 6.0°C |
| Apr | 6.8°C |
| May | 9.6°C |
| Jun | 12.5°C |
| Jul | 14.8°C |
| Aug | 15.1°C |
| Sep | 13.4°C |
| Oct | 11.7°C |
| Nov | 8.2°C |
| Dec | 6.5°C |
| Average | 9.6°C |
Portsmouth experiences a clear trend of increasing sunshine hours from winter to summer, peaking in June, and then decreasing towards winter again
Precipitation is relatively consistent throughout the year, with a slight increase observed in the autumn and winter months
The driest months appear to be April and July, while October, November and December are the wettest.
Sunny Weather
| Period | Portsmouth |
|---|---|
| Jan | 2.5 hours/day |
| Feb | 2.6 hours/day |
| Mar | 3.1 hours/day |
| Apr | 5.0 hours/day |
| May | 5.4 hours/day |
| Jun | 6.8 hours/day |
| Jul | 6.2 hours/day |
| Aug | 6.0 hours/day |
| Sep | 4.8 hours/day |
| Oct | 2.5 hours/day |
| Nov | 2.5 hours/day |
| Dec | 1.4 hours/day |
| Average | 4.1 hours/day |
Precipitation Levels
| Period | Portsmouth |
|---|---|
| Jan | 2.4mm |
| Feb | 2.2mm |
| Mar | 2.2mm |
| Apr | 1.4mm |
| May | 1.8mm |
| Jun | 2.2mm |
| Jul | 1.7mm |
| Aug | 1.9mm |
| Sep | 2.5mm |
| Oct | 3.9mm |
| Nov | 3.1mm |
| Dec | 3.3mm |
| Average | 2.4mm |
Wind Speed
| Period | Portsmouth |
|---|---|
| Jan | 32.1km/h |
| Feb | 33.3km/h |
| Mar | 30.4km/h |
| Apr | 26.1km/h |
| May | 23.6km/h |
| Jun | 23.8km/h |
| Jul | 24.7km/h |
| Aug | 25.3km/h |
| Sep | 26.3km/h |
| Oct | 31.1km/h |
| Nov | 31.7km/h |
| Dec | 33.7km/h |
| Average | 28.5km/h |
Humidity
| Period | Portsmouth |
|---|---|
| Jan | 81.5% |
| Feb | 81.4% |
| Mar | 81.7% |
| Apr | 79.1% |
| May | 81.0% |
| Jun | 80.4% |
| Jul | 78.1% |
| Aug | 77.3% |
| Sep | 76.9% |
| Oct | 79.8% |
| Nov | 80.3% |
| Dec | 82.8% |
| Average | 80.0% |
Portsmouth experiences its earliest sunrise in June at 4:51 AM and latest in December at 7:59 AM.
The earliest sunset occurs in December at 4:01 PM, while the latest is in June at 9:18 PM.
The shortest day in Portsmouth is in December, lasting 8 hours and 2 minutes, and the longest day is in June, with 16 hours and 26 minutes of daylight. This creates a significant difference in day length between summer and winter months.
Sunrise Time
| Period | Portsmouth |
|---|---|
| Jan | 7:58 |
| Feb | 7:16 |
| Mar | 6:21 |
| Apr | 6:10 |
| May | 5:16 |
| Jun | 4:52 |
| Jul | 5:10 |
| Aug | 5:53 |
| Sep | 6:40 |
| Oct | 7:24 |
| Nov | 7:20 |
| Dec | 7:59 |
| Average | 6:30 |
Sunset Time
| Period | Portsmouth |
|---|---|
| Jan | 16:29 |
| Feb | 17:21 |
| Mar | 18:16 |
| Apr | 20:01 |
| May | 20:48 |
| Jun | 21:18 |
| Jul | 21:09 |
| Aug | 20:22 |
| Sep | 19:17 |
| Oct | 18:05 |
| Nov | 16:18 |
| Dec | 16:01 |
| Average | 18:48 |
Useful Day Length
| Period | Portsmouth |
|---|---|
| Jan | 8:32 hours |
| Feb | 10:05 hours |
| Mar | 11:16 hours |
| Apr | 13:01 hours |
| May | 13:48 hours |
| Jun | 14:18 hours |
| Jul | 14:09 hours |
| Aug | 13:22 hours |
| Sep | 12:17 hours |
| Oct | 10:41 hours |
| Nov | 8:58 hours |
| Dec | 8:02 hours |
| Average | 11:30 hours |