Weather in Portsmouth in June
In an average June, Portsmouth sees a daily high around 19°C and a low around 11°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 15°C to 24°C |
| Average low | 11°C |
| Typical low range | 8°C to 14°C |
| Average daily precipitation | 3 mm |
June records
The most extreme June on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total June accumulation.
High
Highest
32°C
2026-06-24
Lowest
11°C
1989-06-06
Low
Highest
21°C
2026-06-25
Lowest
3°C
1991-06-04
Feels-like
Highest
38°C
2026-06-24
Lowest
-1°C
1991-06-04
Humidity
Highest
17.3 g/m³
2026-06-24
Lowest
5.6 g/m³
2001-06-09
Wind
Highest
44 km/h
1987-06-06
Lowest
6 km/h
1994-06-12
Gust
Highest
88 km/h
2004-06-23
Lowest
14 km/h
1983-06-17
Precip
Wettest
181 mm
2021
Driest
6 mm
2018
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