Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Swanage features a oceanic climate (Cfb). Temperatures typically range between 8 °C (46 °F) and 17 °C (63 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 24 °C (75 °F). The average annual precipitation amounts to about 925 mm (36.4 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Swanage enjoys an average of 3392 hours of sunshine throughout the year, and daylight varies from 8 hours 2 minutes to 16 hours 22 minutes per day.
The warmest months in Swanage are July, August and September, with daily mean temperatures ranging from 16 to 17 °C (62 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 8 to 8 °C (46 - 47 °F) throughout the day. On average each year, Swanage experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 13°C (56°F) |
12°C (55°F) |
12°C (55°F) |
16°C (61°F) |
19°C (67°F) |
20°C (68°F) |
21°C (71°F) |
24°C (75°F) |
21°C (71°F) |
19°C (67°F) |
16°C (61°F) |
14°C (57°F) |
| Mean maximum | 12°C (54°F) |
11°C (53°F) |
12°C (53°F) |
14°C (57°F) |
16°C (61°F) |
18°C (65°F) |
21°C (70°F) |
21°C (70°F) |
20°C (68°F) |
18°C (65°F) |
15°C (60°F) |
13°C (56°F) |
| Average high | 9°C (49°F) |
9°C (48°F) |
9°C (49°F) |
11°C (51°F) |
13°C (56°F) |
16°C (60°F) |
18°C (64°F) |
18°C (65°F) |
18°C (64°F) |
15°C (60°F) |
12°C (54°F) |
11°C (51°F) |
| Daily mean | 8°C (46°F) |
8°C (47°F) |
8°C (47°F) |
9°C (49°F) |
12°C (54°F) |
15°C (59°F) |
17°C (63°F) |
17°C (63°F) |
16°C (62°F) |
14°C (58°F) |
11°C (52°F) |
9°C (49°F) |
| Average low | 7°C (44°F) |
7°C (45°F) |
7°C (45°F) |
8°C (47°F) |
11°C (52°F) |
14°C (57°F) |
16°C (61°F) |
16°C (62°F) |
15°C (60°F) |
13°C (56°F) |
10°C (50°F) |
8°C (47°F) |
| Mean minimum | 3°C (39°F) |
3°C (37°F) |
4°C (39°F) |
4°C (40°F) |
7°C (45°F) |
11°C (53°F) |
14°C (58°F) |
14°C (57°F) |
12°C (54°F) |
9°C (48°F) |
5°C (42°F) |
4°C (40°F) |
| Minimum | 2°C (36°F) |
-0°C (32°F) |
-1°C (31°F) |
3°C (38°F) |
6°C (43°F) |
11°C (51°F) |
13°C (56°F) |
13°C (55°F) |
11°C (52°F) |
6°C (43°F) |
3°C (38°F) |
3°C (38°F) |
Compare temperature, precipitation, sunshine, UV index in Swanage, England, United Kingdom with other places around the world.
Swanage usually has the most precipitation in October, November and December, with an average of 16 rainy days and 124 mm (4.9 inches) of precipitation per month. The driest months in Swanage are April, July and September. On average, 46 mm (1.8 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 73 (2.9) | 74 (2.9) | 74 (2.9) | 36 (1.4) | 55 (2.1) | 69 (2.7) | 46 (1.8) | 71 (2.8) | 54 (2.1) | 137 (5.4) | 106 (4.2) | 129 (5.1) |
| Average precipitation days (≥ 1 mm) | 11 | 13 | 14 | 6 | 9 | 9 | 8 | 9 | 9 | 17 | 16 | 17 |
The sunniest months in Swanage are May, June and July, when the sun shines an average of 13 hours 44 minutes a day. Least sunny months in Swanage: January, February and December receive an average of 4 hours 12 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 107 | 151 | 232 | 354 | 413 | 415 | 434 | 394 | 332 | 262 | 169 | 123 |
| Mean daily daylight hours | 8h 31m | 10h 2m | 11h 55m | 13h 50m | 15h 30m | 16h 22m | 15h 54m | 14h 25m | 12h 34m | 10h 39m | 8h 57m | 8h 2m |
Swanage experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Swanage UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 2 | 3 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
Discover in-depth weather details for every month in Swanage. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Swanage's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.