Portsmouth in March
4.7out of 10
Not the best time
Cold: highs around 6°C. Frequent rain: about 10 rainy days.
6°CAvg high
1°CAvg low
10Rainy days (129 mm)
11:40 hDaylight
07:05Sunrise · 18:45 Sunset
Why this score
- Cold: highs around 6°C
- Frequent rain: about 10 rainy days
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in March varies a lot between years (±3.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | -2°C | 112 mm | 11 | – | – | 4.3 |
| February | 4°C | -2°C | 97 mm | 10 | – | – | 4.5 |
| March | 6°C | 1°C | 129 mm | 10 | – | – | 4.7 |
| April | 10°C | 6°C | 116 mm | 11 | – | – | 5.4 |
| May | 14°C | 11°C | 99 mm | 11 | – | – | 6.3 |
| June | 19°C | 16°C | 94 mm | 9 | – | – | 7.3 |
| July | 23°C | 20°C | 75 mm | 8 | – | – | 8.0 |
| August | 23°C | 20°C | 92 mm | 9 | – | – | 7.9 |
| September | 20°C | 17°C | 105 mm | 9 | – | – | 7.6 |
| October | 16°C | 12°C | 129 mm | 10 | – | – | 6.5 |
| November | 11°C | 6°C | 113 mm | 10 | – | – | 5.9 |
| December | 7°C | 2°C | 135 mm | 12 | – | – | 4.8 |
Frequently asked questions
How hot is Portsmouth in March?
Daytime highs average 6°C and nights about 1°C.
When is the best time to visit Portsmouth?
The best months are July, August, September.