Few UK towns get more rain than Grasmere: 2,773 mm (109 in) a year
On a normal July day the thermometer tops out near 18.5°C (65°F). By July afternoons alone, it runs cooler than 97% of UK towns. The gap between a January night and a July afternoon is 17°C. Homes need heating from October to April, the months averaging under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Grasmere at a glance
Each month’s typical high and low, in °C.
What a year in Grasmere feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 2,773 mm of rain a year
December is the wettest month and April the driest. About 89 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
A frosty town: 51 air frosts and 5 days of 25°C a year
On about 51 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. 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 Newton Rigg
Newton Rigg is 17 miles north-east of Grasmere, 169 m (554 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 | 6.4°C | 0.9°C | 103 mm | 11.1 |
| February | 7.0°C | 0.9°C | 81 mm | 10.6 |
| March | 9.1°C | 1.9°C | 69 mm | 8.6 |
| April | 12.0°C | 3.3°C | 52 mm | 4.8 |
| May | 15.3°C | 5.7°C | 56 mm | 1.8 |
| June | 17.6°C | 8.7°C | 67 mm | 0.0 |
| July | 19.5°C | 10.6°C | 75 mm | 0.0 |
| August | 18.9°C | 10.3°C | 81 mm | 0.0 |
| September | 16.6°C | 8.2°C | 76 mm | 0.1 |
| October | 12.8°C | 5.7°C | 102 mm | 2.9 |
| November | 9.1°C | 2.9°C | 103 mm | 7.1 |
| December | 6.8°C | 0.7°C | 118 mm | 12.0 |
| Year | 12.6°C | 5.0°C | 981 mm | 59 |
Met Office historic station data, Newton Rigg, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Grasmere 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 Cumbria 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 |
|---|---|---|---|
| Grasmere | 18.5°C | 1.6°C | 2,773 mm |
| Ambleside 3.4 mi | 19.1°C 0.6°C warmer | 1.9°C about the same | 2,206 mm |
| Windermere 7.8 mi | 19.4°C 0.9°C warmer | 1.3°C about the same | 1,849 mm |
| Bowness-on-Windermere 8.2 mi | 19.6°C 1.2°C warmer | 1.2°C about the same | 1,698 mm |
| Staveley 10.3 mi | 19.2°C 0.7°C warmer | 1.0°C 0.7°C colder | 1,716 mm |
| Keswick 10.3 mi | 19.1°C 0.6°C warmer | 2.2°C 0.6°C milder | 1,763 mm |
Grasmere 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 | 6.1°C 43°F | 1.6°C 35°F | 3.9°C | 305 mm 12.0 in |
| February | 6.3°C 43°F | 1.4°C 35°F | 3.9°C | 270 mm 10.6 in |
| March | 8.1°C 47°F | 2.2°C 36°F | 5.2°C | 211 mm 8.3 in |
| April | 11.2°C 52°F | 4.3°C 40°F | 7.7°C | 135 mm 5.3 in |
| May | 14.6°C 58°F | 6.9°C 44°F | 10.7°C | 137 mm 5.4 in |
| June | 17.2°C 63°F | 9.7°C 49°F | 13.2°C | 145 mm 5.7 in |
| July | 18.5°C 65°F | 11.5°C 53°F | 14.9°C | 184 mm 7.2 in |
| August | 18.1°C 65°F | 11.7°C 53°F | 14.8°C | 209 mm 8.2 in |
| September | 15.5°C 60°F | 9.2°C 49°F | 12.4°C | 222 mm 8.7 in |
| October | 12.0°C 54°F | 6.5°C 44°F | 9.2°C | 292 mm 11.5 in |
| November | 8.5°C 47°F | 3.7°C 39°F | 6.1°C | 311 mm 12.2 in |
| December | 6.4°C 43°F | 1.6°C 35°F | 4.1°C | 354 mm 13.9 in |
| Year | 11.9°C | 5.9°C | 8.8°C | 2,773 mm |
Where Grasmere’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 Grasmere’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 Newton Rigg, 17 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 Grasmere’s climate
How warm does Grasmere get in summer?
July is the warmest month, with average highs of 18.5°C (65°F). About 5 days a year reach 25°C (77°F), fewer than 78% of UK towns.
How cold does Grasmere get in winter?
February nights average 1.4°C (35°F). The air drops below freezing on about 51 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Grasmere get?
About 2,773 mm (109 in) a year, more than almost every UK town. December is the wettest month (354 mm) and April the driest (135 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 Grasmere. 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 Grasmere →
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.