Belfast vs St Helens Climate
99%matchBelfast vs St Helens: a 99% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Belfast gets 34 in (851 mm) of rain a year and St Helens 35 in (881 mm). July is the warmest month in both, with highs of 69°F (21°C) in Belfast 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)
BelfastSt Helenssolid = high, dashed = low
Rain (in per month)
BelfastSt Helens
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Belfast | St Helens | Belfast | St Helens | Belfast | St Helens | |
| Jan | 45°F(7°C) | 46°F(8°C) | 35°F(2°C) | 36°F(2°C) | 2.9 in(73 mm) | 2.7 in(69 mm) |
| Feb | 47°F(8°C) | 47°F(8°C) | 35°F(2°C) | 36°F(2°C) | 2.3 in(59 mm) | 2.1 in(54 mm) |
| Mar | 51°F(11°C) | 51°F(10°C) | 38°F(3°C) | 38°F(3°C) | 2.3 in(58 mm) | 2.2 in(56 mm) |
| Apr | 56°F(13°C) | 56°F(13°C) | 41°F(5°C) | 41°F(5°C) | 2.2 in(57 mm) | 2.1 in(53 mm) |
| May | 62°F(17°C) | 62°F(17°C) | 45°F(7°C) | 46°F(8°C) | 2.3 in(58 mm) | 2.2 in(56 mm) |
| Jun | 67°F(19°C) | 66°F(19°C) | 51°F(10°C) | 51°F(11°C) | 2.7 in(68 mm) | 2.9 in(73 mm) |
| Jul | 69°F(21°C) | 69°F(21°C) | 54°F(12°C) | 55°F(13°C) | 2.9 in(73 mm) | 3.0 in(77 mm) |
| Aug | 68°F(20°C) | 68°F(20°C) | 53°F(12°C) | 54°F(12°C) | 3.3 in(83 mm) | 3.3 in(84 mm) |
| Sep | 64°F(18°C) | 64°F(18°C) | 49°F(10°C) | 50°F(10°C) | 2.9 in(73 mm) | 3.1 in(79 mm) |
| Oct | 56°F(14°C) | 58°F(14°C) | 45°F(7°C) | 45°F(7°C) | 3.4 in(86 mm) | 3.8 in(96 mm) |
| Nov | 50°F(10°C) | 51°F(11°C) | 39°F(4°C) | 40°F(5°C) | 3.3 in(85 mm) | 3.6 in(92 mm) |
| Dec | 45°F(7°C) | 46°F(8°C) | 36°F(2°C) | 36°F(2°C) | 3.1 in(78 mm) | 3.6 in(92 mm) |
1991–2020 averages, by calendar month.