Rainfall in Carnforth tops that of 80% of UK towns: 1,035 mm (41 in) a year
In July the day’s top temperature is typically 20.5°C (69°F). Of all months, December brings the most rain and April the least. By frosts alone, it ranks gentler than 76% of UK towns. Comfortable outdoor weather lasts from June to September, with highs of 18–20°C.
Met Office 1991–2020 averages for the town itself.
A year in Carnforth at a glance
Each month’s typical high and low, in °C.
What a year in Carnforth feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 1,035 mm of rain a year
December is the wettest month and April the driest. About 30 days a year bring 10 mm (0.4 in) or more. 41st wettest of 66 Lancashire towns of 2,500+.
Rain by month
Millimetres
34 air frosts and 5 days of 25°C a year
On about 34 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 Newton Rigg
Newton Rigg is 38 miles north of Carnforth, 169 m (554 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full; at that distance read it for sunshine and the station’s own record, not as the town’s figures.
| 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 Carnforth 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 Lancashire 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 |
|---|---|---|---|
| Carnforth | 20.5°C | 2.1°C | 1,035 mm |
| Warton (Lancaster) 1.4 mi | 19.9°C 0.6°C cooler | 2.0°C about the same | 1,125 mm |
| Bolton-le-Sands 2.2 mi | 19.7°C 0.8°C cooler | 2.5°C about the same | 1,035 mm |
| Halton 3.3 mi | 19.2°C 1.3°C cooler | 2.0°C about the same | 1,183 mm |
| Silverdale 3.6 mi | 19.6°C 0.9°C cooler | 1.9°C about the same | 1,145 mm |
| Caton 4.2 mi | 19.2°C 1.3°C cooler | 2.2°C about the same | 1,183 mm |
| Burton-in-Kendal 4.5 mi | 19.6°C 0.9°C cooler | 1.6°C 0.5°C colder | 1,240 mm |
Carnforth 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 | 7.2°C 45°F | 2.1°C 36°F | 4.7°C | 97 mm 3.8 in |
| February | 7.9°C 46°F | 2.3°C 36°F | 5.1°C | 83 mm 3.3 in |
| March | 10.1°C 50°F | 3.2°C 38°F | 6.7°C | 70 mm 2.7 in |
| April | 13.1°C 56°F | 5.1°C 41°F | 9.1°C | 55 mm 2.2 in |
| May | 16.5°C 62°F | 7.8°C 46°F | 12.1°C | 59 mm 2.3 in |
| June | 18.8°C 66°F | 10.8°C 51°F | 14.8°C | 67 mm 2.6 in |
| July | 20.5°C 69°F | 12.6°C 55°F | 16.6°C | 84 mm 3.3 in |
| August | 20.1°C 68°F | 12.5°C 55°F | 16.3°C | 97 mm 3.8 in |
| September | 17.7°C 64°F | 10.4°C 51°F | 14.1°C | 97 mm 3.8 in |
| October | 14.1°C 57°F | 7.6°C 46°F | 10.9°C | 108 mm 4.2 in |
| November | 10.4°C 51°F | 4.7°C 40°F | 7.5°C | 107 mm 4.2 in |
| December | 7.8°C 46°F | 2.4°C 36°F | 5.1°C | 112 mm 4.4 in |
| Year | 13.7°C | 6.8°C | 10.3°C | 1,035 mm |
Where Carnforth’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 1 Met Office 2 km grid square whose centre lies inside Carnforth’s built-up area.
- 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, 38 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 Carnforth’s climate
How warm does Carnforth get in summer?
July is the warmest month, with average highs of 20.5°C (69°F). About 5 days a year reach 25°C (77°F), fewer than 74% of UK towns.
How cold does Carnforth get in winter?
January nights average 2.1°C (36°F). The air drops below freezing on about 34 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Carnforth get?
About 1,035 mm (41 in) a year, more than 80% of UK towns. December is the wettest month (112 mm) and April the driest (55 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 Carnforth. 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 Carnforth →
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