Winter nights in Long Ashton are milder than in 86% of UK towns
Expect July afternoons of about 21.5°C (71°F). By rainfall alone, it ranks wetter than 70% of UK towns. November is the wettest month, April the driest. Homes need heating from November to April, the months averaging under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Long Ashton at a glance
Each month’s typical high and low, in °C.
What a year in Long Ashton feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 909 mm of rain a year
November is the wettest month and April the driest. About 29 days a year bring 10 mm (0.4 in) or more. 19th wettest of 49 Somerset towns of 2,500+.
Rain by month
Millimetres
34 air frosts and 10 days of 25°C a year
On about 34 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 10 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 Cardiff Bute Park
Cardiff Bute Park is 23 miles west of Long Ashton, 9 m (30 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 |
|---|---|---|---|---|
| January | 8.6°C | 2.5°C | 127 mm | 8.1 |
| February | 9.1°C | 2.5°C | 93 mm | 7.5 |
| March | 11.3°C | 3.9°C | 85 mm | 3.9 |
| April | 14.4°C | 5.7°C | 72 mm | 1.4 |
| May | 17.4°C | 8.5°C | 78 mm | 0.0 |
| June | 20.1°C | 11.3°C | 73 mm | 0.0 |
| July | 21.8°C | 13.1°C | 84 mm | 0.0 |
| August | 21.4°C | 12.9°C | 105 mm | 0.0 |
| September | 19.1°C | 10.7°C | 87 mm | 0.0 |
| October | 15.2°C | 8.0°C | 128 mm | 1.0 |
| November | 11.6°C | 4.9°C | 131 mm | 3.7 |
| December | 9.1°C | 2.9°C | 140 mm | 8.3 |
| Year | 14.9°C | 7.2°C | 1,201 mm | 34 |
Met Office historic station data, Cardiff Bute Park, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Long Ashton 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 Somerset 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 |
|---|---|---|---|
| Long Ashton | 21.5°C | 2.6°C | 909 mm |
| Backwell 3.5 mi | 20.7°C 0.7°C cooler | 2.5°C about the same | 985 mm |
| Pill 3.5 mi | 21.5°C about the same | 3.0°C about the same | 877 mm |
| Bristol 3.8 mi | 21.7°C about the same | 2.7°C about the same | 899 mm |
| Nailsea 4.1 mi | 20.9°C 0.5°C cooler | 2.9°C about the same | 965 mm |
| Avonmouth 4.9 mi | 21.8°C about the same | 3.0°C about the same | 799 mm |
| Chew Magna 5.0 mi | 20.8°C 0.7°C cooler | 2.3°C about the same | 1,018 mm |
Long Ashton 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 | 8.1°C 47°F | 2.6°C 37°F | 5.3°C | 95 mm 3.7 in |
| February | 8.7°C 48°F | 2.6°C 37°F | 5.7°C | 65 mm 2.6 in |
| March | 10.9°C 52°F | 4.0°C 39°F | 7.5°C | 61 mm 2.4 in |
| April | 13.8°C 57°F | 5.6°C 42°F | 9.7°C | 58 mm 2.3 in |
| May | 16.9°C 62°F | 8.3°C 47°F | 12.6°C | 61 mm 2.4 in |
| June | 19.6°C 67°F | 11.2°C 52°F | 15.4°C | 61 mm 2.4 in |
| July | 21.5°C 71°F | 13.2°C 56°F | 17.3°C | 69 mm 2.7 in |
| August | 21.0°C 70°F | 13.0°C 55°F | 17.1°C | 79 mm 3.1 in |
| September | 18.7°C 66°F | 11.0°C 52°F | 14.9°C | 68 mm 2.7 in |
| October | 14.8°C 59°F | 8.4°C 47°F | 11.6°C | 96 mm 3.8 in |
| November | 11.1°C 52°F | 5.3°C 42°F | 8.2°C | 99 mm 3.9 in |
| December | 8.6°C 47°F | 3.2°C 38°F | 5.9°C | 97 mm 3.8 in |
| Year | 14.5°C | 7.4°C | 10.9°C | 909 mm |
Where Long Ashton’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 Long Ashton’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 Cardiff Bute Park, 23 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 Long Ashton’s climate
How warm does Long Ashton get in summer?
July is the warmest month, with average highs of 21.5°C (71°F). About 10 days a year reach 25°C (77°F), fewer than 55% of UK towns.
How cold does Long Ashton get in winter?
January nights average 2.6°C (37°F). The air drops below freezing on about 34 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Long Ashton get?
About 909 mm (36 in) a year, more than 70% of UK towns. November is the wettest month (99 mm) and April the driest (58 mm).
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 Long Ashton. 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 Long Ashton →
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.