Corfe Castle sits near the top of UK towns for mild winters
July afternoons average 20.6°C (69°F). Days of 25°C are scarce: about 5 a year, fewer than in 75% of UK towns. Seasons differ by 17°C, from the coldest nights to the warmest afternoons. Expect about 26 frosty starts a year, nights when the air falls below freezing.
Met Office 1991–2020 averages for the town itself.
A year in Corfe Castle at a glance
Each month’s typical high and low, in °C.
What a year in Corfe Castle feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 926 mm of rain a year
November is the wettest month and May the driest. About 34 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Hurn (Bournemouth Airport)
26 air frosts and 5 days of 25°C a year
On about 26 nights a year the air drops below freezing; days that stay below freezing are rare. About 5 days a year reach 25°C (77°F).
Day counts are 1991–2020 averages from the Met Office’s 2 km grid. The Met Office calls a day of 25°C or more a summer day and a night below 0°C an air frost; ground frosts, on grass, come more often.
The Met Office station at Hurn (Bournemouth Airport)
Hurn (Bournemouth Airport) is 14 miles north-east of Corfe Castle, 10 m (33 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.
| Month | High | Low | Rain | Air frosts | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.8°C | 1.8°C | 96 mm | 11.1 | 65 |
| February | 9.1°C | 1.6°C | 67 mm | 10.9 | 80 |
| March | 11.4°C | 2.8°C | 62 mm | 8.3 | 122 |
| April | 14.2°C | 4.3°C | 58 mm | 4.7 | 178 |
| May | 17.4°C | 7.3°C | 49 mm | 0.6 | 211 |
| June | 20.1°C | 10.2°C | 54 mm | 0.0 | 217 |
| July | 22.3°C | 12.2°C | 50 mm | 0.0 | 221 |
| August | 22.0°C | 12.0°C | 60 mm | 0.0 | 198 |
| September | 19.6°C | 9.6°C | 69 mm | 0.0 | 156 |
| October | 15.6°C | 7.4°C | 101 mm | 2.2 | 108 |
| November | 11.8°C | 4.1°C | 108 mm | 6.9 | 76 |
| December | 9.2°C | 2.0°C | 104 mm | 11.6 | 59 |
| Year | 15.1°C | 6.3°C | 877 mm | 56 | 1,690 |
Met Office historic station data, Hurn, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How Corfe Castle compares
Against the 2,537 towns and cities of 2,500 or more across the UK, each with its own Met Office averages, and its place among Dorset towns that size.
Nearby towns’ climate
The nearest towns of 1,000+ within 12 miles: a hill, a valley or the sea can make a real difference over a few miles.
| Town | July high | January low | Rain a year |
|---|---|---|---|
| Corfe Castle | 20.6°C | 3.4°C | 926 mm |
| Swanage 4.0 mi | 20.6°C about the same | 4.0°C 0.6°C milder | 909 mm |
| Wareham 5.1 mi | 22.1°C 1.5°C warmer | 2.5°C 0.9°C colder | 860 mm |
| Sandford 5.5 mi | 22.1°C 1.5°C warmer | 2.5°C 1.0°C colder | 852 mm |
| Upton 7.3 mi | 22.0°C 1.3°C warmer | 2.9°C 0.6°C colder | 875 mm |
| Poole 8.2 mi | 22.0°C 1.4°C warmer | 3.0°C about the same | 919 mm |
| Wool 8.7 mi | 21.8°C 1.2°C warmer | 2.6°C 0.8°C colder | 952 mm |
Corfe Castle weather by month
Average daily high and low, mean temperature and rain, 1991–2020, for the town itself (the Met Office’s HadUK-Grid).
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 8.4°C 47°F | 3.4°C 38°F | 5.9°C | 109 mm 4.3 in |
| February | 8.6°C 47°F | 3.4°C 38°F | 6.0°C | 73 mm 2.9 in |
| March | 10.5°C 51°F | 4.4°C 40°F | 7.4°C | 63 mm 2.5 in |
| April | 12.9°C 55°F | 5.9°C 43°F | 9.4°C | 57 mm 2.2 in |
| May | 15.9°C 61°F | 8.7°C 48°F | 12.3°C | 51 mm 2.0 in |
| June | 18.5°C 65°F | 11.4°C 53°F | 14.9°C | 59 mm 2.3 in |
| July | 20.6°C 69°F | 13.4°C 56°F | 17.0°C | 53 mm 2.1 in |
| August | 20.6°C 69°F | 13.5°C 56°F | 17.0°C | 62 mm 2.4 in |
| September | 18.6°C 65°F | 11.6°C 53°F | 15.1°C | 69 mm 2.7 in |
| October | 15.2°C 59°F | 9.3°C 49°F | 12.3°C | 107 mm 4.2 in |
| November | 11.7°C 53°F | 6.3°C 43°F | 9.0°C | 113 mm 4.4 in |
| December | 9.3°C 49°F | 4.1°C 39°F | 6.7°C | 112 mm 4.4 in |
| Year | 14.2°C | 8.0°C | 11.1°C | 926 mm |
Where Corfe Castle’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the Met Office 2 km grid square nearest Corfe Castle’s centre (the town is smaller than one square).
- Highs and lows: the Met Office publishes average daily maxima and minima on its 12 km grid; each is moved by the difference between the town’s 2 km mean temperature and the 12 km square’s, which carries the town’s own height and setting over.
- Weather station and sunshine: Met Office historic station data for Hurn, 14 miles away, months of 1991–2020 averaged.
- Comparisons: every town and city of 2,500 or more across the UK, all four nations, read the same way.
Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.
Questions about Corfe Castle’s climate
How warm does Corfe Castle get in summer?
July is the warmest month, with average highs of 20.6°C (69°F). About 5 days a year reach 25°C (77°F), fewer than 75% of UK towns.
How cold does Corfe Castle get in winter?
February nights average 3.4°C (38°F). The air drops below freezing on about 26 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Corfe Castle get?
About 926 mm (36 in) a year, more than 73% of UK towns. November is the wettest month (113 mm) and May the driest (51 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Hurn (Bournemouth Airport) (14 miles away), averages 1,690 hours of bright sunshine a year. Sunshine isn’t on the town grid, so this is the station’s figure.
Where do these figures come from?
The Met Office’s HadUK-Grid 1991–2020 averages, which turn thousands of weather stations into a map of the UK in 2 km squares; the page reads the squares inside Corfe Castle. They are 30-year averages, not a forecast.
Contains Met Office data © Crown copyright 2026, Open Government Licence v3.0. HadUK-Grid 1991–2020 averages via the Met Office Climate Data Portal; station averages from Met Office historic station data. Today’s forecast for Corfe Castle →
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.