St Helens, England, United Kingdom climate
Average temperatures, precipitation and all-time records for St Helens, England, United Kingdom, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 19°C, and its coldest is February, with an average low of 3°C.
St Helens average temperatures by month
Typical daily high and low, and average precipitation, for each month in St Helens, England, United Kingdom, based on 1980–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 7°C | 3°C | 3 mm |
| February | 8°C | 3°C | 3 mm |
| March | 10°C | 4°C | 3 mm |
| April | 12°C | 5°C | 3 mm |
| May | 15°C | 8°C | 3 mm |
| June | 18°C | 11°C | 3 mm |
| July | 19°C | 13°C | 3 mm |
| August | 19°C | 13°C | 3 mm |
| September | 17°C | 11°C | 3 mm |
| October | 14°C | 8°C | 3 mm |
| November | 10°C | 6°C | 3 mm |
| December | 8°C | 3°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
Thinking of visiting St Helens?
Trips live and die by the weather. See how St Helens's comfort stacks up against where you live. St Helens is pre-loaded, just add your city.
Record extremes
- Hottest day on record: 33°C on 2022-07-19
- Coldest day on record: -15°C on 1981-12-13
Percentiles compare each day to St Helens, England, United Kingdom's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →