Plymouth, United Kingdom vs Saint Helier Climate
97%matchOn climate, Saint Helier is a 97% match for Plymouth. Compared with Plymouth, Saint Helier has the same winter lows and more sun.
Plymouth gets 39 in (993 mm) of rain a year and Saint Helier 34 in (867 mm). Plymouth's warmest month is July, at 69°F (20°C); Saint Helier's is August, at 71°F (21°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PlymouthSaint Heliersolid = high, dashed = low
Rain (in per month)
PlymouthSaint Helier
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Plymouth | Saint Helier | Plymouth | Saint Helier | Plymouth | Saint Helier | |
| Jan | 49°F(9°C) | 48°F(9°C) | 40°F(4°C) | 41°F(5°C) | 3.9 in(100 mm) | 3.8 in(97 mm) |
| Feb | 49°F(9°C) | 49°F(9°C) | 40°F(4°C) | 40°F(5°C) | 3.2 in(82 mm) | 2.9 in(73 mm) |
| Mar | 52°F(11°C) | 53°F(11°C) | 41°F(5°C) | 42°F(6°C) | 2.6 in(66 mm) | 2.6 in(65 mm) |
| Apr | 56°F(13°C) | 56°F(13°C) | 43°F(6°C) | 45°F(7°C) | 2.6 in(66 mm) | 2.0 in(52 mm) |
| May | 61°F(16°C) | 62°F(17°C) | 48°F(9°C) | 50°F(10°C) | 2.3 in(59 mm) | 2.0 in(50 mm) |
| Jun | 65°F(19°C) | 67°F(19°C) | 53°F(12°C) | 55°F(13°C) | 2.3 in(59 mm) | 2.0 in(51 mm) |
| Jul | 69°F(20°C) | 70°F(21°C) | 56°F(14°C) | 58°F(15°C) | 2.8 in(70 mm) | 1.7 in(42 mm) |
| Aug | 69°F(20°C) | 71°F(21°C) | 56°F(14°C) | 59°F(15°C) | 3.0 in(75 mm) | 2.2 in(55 mm) |
| Sep | 65°F(18°C) | 67°F(20°C) | 53°F(12°C) | 56°F(13°C) | 2.6 in(65 mm) | 2.4 in(61 mm) |
| Oct | 59°F(15°C) | 61°F(16°C) | 49°F(10°C) | 52°F(11°C) | 4.5 in(114 mm) | 3.8 in(96 mm) |
| Nov | 54°F(12°C) | 55°F(13°C) | 44°F(7°C) | 46°F(8°C) | 4.7 in(119 mm) | 4.4 in(111 mm) |
| Dec | 50°F(10°C) | 50°F(10°C) | 41°F(5°C) | 42°F(6°C) | 4.6 in(118 mm) | 4.5 in(114 mm) |
1991–2020 averages, by calendar month.