Plymouth, United Kingdom vs St Helens Climate
94%matchPlymouth and St Helens are a 94% climate match. Compared with Plymouth, St Helens has the same summer highs, less sun and 4°F (2°C) colder winter nights.
Plymouth gets 39 in (993 mm) of rain a year and St Helens 35 in (881 mm). July is the warmest month in both, with highs of 69°F (20°C) in Plymouth and 69°F (21°C) in St Helens.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PlymouthSt Helenssolid = high, dashed = low
Rain (in per month)
PlymouthSt Helens
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Plymouth | St Helens | Plymouth | St Helens | Plymouth | St Helens | |
| Jan | 49°F(9°C) | 46°F(8°C) | 40°F(4°C) | 36°F(2°C) | 3.9 in(100 mm) | 2.7 in(69 mm) |
| Feb | 49°F(9°C) | 47°F(8°C) | 40°F(4°C) | 36°F(2°C) | 3.2 in(82 mm) | 2.1 in(54 mm) |
| Mar | 52°F(11°C) | 51°F(10°C) | 41°F(5°C) | 38°F(3°C) | 2.6 in(66 mm) | 2.2 in(56 mm) |
| Apr | 56°F(13°C) | 56°F(13°C) | 43°F(6°C) | 41°F(5°C) | 2.6 in(66 mm) | 2.1 in(53 mm) |
| May | 61°F(16°C) | 62°F(17°C) | 48°F(9°C) | 46°F(8°C) | 2.3 in(59 mm) | 2.2 in(56 mm) |
| Jun | 65°F(19°C) | 66°F(19°C) | 53°F(12°C) | 51°F(11°C) | 2.3 in(59 mm) | 2.9 in(73 mm) |
| Jul | 69°F(20°C) | 69°F(21°C) | 56°F(14°C) | 55°F(13°C) | 2.8 in(70 mm) | 3.0 in(77 mm) |
| Aug | 69°F(20°C) | 68°F(20°C) | 56°F(14°C) | 54°F(12°C) | 3.0 in(75 mm) | 3.3 in(84 mm) |
| Sep | 65°F(18°C) | 64°F(18°C) | 53°F(12°C) | 50°F(10°C) | 2.6 in(65 mm) | 3.1 in(79 mm) |
| Oct | 59°F(15°C) | 58°F(14°C) | 49°F(10°C) | 45°F(7°C) | 4.5 in(114 mm) | 3.8 in(96 mm) |
| Nov | 54°F(12°C) | 51°F(11°C) | 44°F(7°C) | 40°F(5°C) | 4.7 in(119 mm) | 3.6 in(92 mm) |
| Dec | 50°F(10°C) | 46°F(8°C) | 41°F(5°C) | 36°F(2°C) | 4.6 in(118 mm) | 3.6 in(92 mm) |
1991–2020 averages, by calendar month.