Portsmouth, United Kingdom vs Saint-Nazaire Climate
90%matchOn climate, Saint-Nazaire is a 90% match for Portsmouth. Compared with Portsmouth, Saint-Nazaire has much more sun and 4°F (2°C) hotter summer days.
Portsmouth gets 33 in (844 mm) of rain a year and Saint-Nazaire 33 in (836 mm). Portsmouth's warmest month is July, at 72°F (22°C); Saint-Nazaire's is August, at 76°F (24°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PortsmouthSaint-Nazairesolid = high, dashed = low
Rain (in per month)
PortsmouthSaint-Nazaire
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Portsmouth | Saint-Nazaire | Portsmouth | Saint-Nazaire | Portsmouth | Saint-Nazaire | |
| Jan | 47°F(9°C) | 49°F(9°C) | 38°F(3°C) | 40°F(5°C) | 3.5 in(90 mm) | 3.4 in(86 mm) |
| Feb | 47°F(9°C) | 51°F(10°C) | 37°F(3°C) | 40°F(4°C) | 2.5 in(63 mm) | 2.7 in(68 mm) |
| Mar | 51°F(11°C) | 56°F(13°C) | 40°F(4°C) | 43°F(6°C) | 2.2 in(57 mm) | 2.3 in(58 mm) |
| Apr | 57°F(14°C) | 60°F(16°C) | 43°F(6°C) | 47°F(8°C) | 2.0 in(52 mm) | 2.5 in(64 mm) |
| May | 63°F(17°C) | 67°F(19°C) | 47°F(9°C) | 52°F(11°C) | 1.9 in(47 mm) | 2.0 in(50 mm) |
| Jun | 68°F(20°C) | 72°F(22°C) | 53°F(12°C) | 57°F(14°C) | 2.2 in(55 mm) | 1.7 in(42 mm) |
| Jul | 72°F(22°C) | 76°F(24°C) | 56°F(14°C) | 60°F(16°C) | 2.1 in(53 mm) | 1.9 in(49 mm) |
| Aug | 71°F(22°C) | 76°F(24°C) | 56°F(14°C) | 60°F(16°C) | 2.3 in(59 mm) | 2.1 in(54 mm) |
| Sep | 67°F(19°C) | 71°F(22°C) | 53°F(12°C) | 56°F(13°C) | 2.5 in(63 mm) | 2.3 in(58 mm) |
| Oct | 60°F(16°C) | 64°F(18°C) | 48°F(9°C) | 52°F(11°C) | 4.0 in(102 mm) | 3.7 in(94 mm) |
| Nov | 53°F(12°C) | 56°F(13°C) | 42°F(6°C) | 46°F(8°C) | 4.2 in(107 mm) | 4.4 in(112 mm) |
| Dec | 49°F(9°C) | 51°F(10°C) | 39°F(4°C) | 42°F(5°C) | 3.8 in(96 mm) | 4.0 in(101 mm) |
1991–2020 averages, by calendar month.