Northam has some of the mildest winter nights among UK towns
On a normal July day the thermometer tops out near 20.4°C (69°F). By rainfall alone, it ranks wetter than 78% of UK towns. Temperatures cover 17°C across the year, low to high. Comfortable outdoor weather lasts from June to September, with highs of 19–20°C.
Met Office 1991–2020 averages for the town itself.
A year in Northam at a glance
Each month’s typical high and low, in °C.
What a year in Northam feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 995 mm of rain a year
December is the wettest month and April the driest. About 29 days a year bring 10 mm (0.4 in) or more. 31st wettest of 47 Devon towns of 2,500+.
Rain by month
Millimetres
17 air frosts and 5 days of 25°C a year
On about 17 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 Chivenor
Chivenor is 4.5 miles north-east of Northam, 6 m (20 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 | 9.1°C | 3.6°C | 91 mm | 5.4 |
| February | 9.4°C | 3.4°C | 70 mm | 5.0 |
| March | 11.2°C | 4.5°C | 60 mm | 2.6 |
| April | 13.7°C | 5.9°C | 56 mm | 0.9 |
| May | 16.5°C | 8.6°C | 55 mm | 0.0 |
| June | 19.0°C | 11.4°C | 68 mm | 0.0 |
| July | 20.7°C | 13.3°C | 74 mm | 0.0 |
| August | 20.5°C | 13.4°C | 77 mm | 0.0 |
| September | 18.8°C | 11.5°C | 70 mm | 0.0 |
| October | 15.4°C | 9.1°C | 107 mm | 0.4 |
| November | 12.1°C | 6.2°C | 106 mm | 1.8 |
| December | 9.9°C | 4.3°C | 107 mm | 4.6 |
| Year | 14.7°C | 7.9°C | 941 mm | 21 |
Met Office historic station data, Chivenor, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Northam 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 Devon 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 |
|---|---|---|---|
| Northam | 20.4°C | 3.7°C | 995 mm |
| Westward Ho! 0.9 mi | 20.4°C about the same | 4.0°C about the same | 990 mm |
| Appledore 1.1 mi | 20.2°C about the same | 3.6°C about the same | 1,090 mm |
| Bideford 1.6 mi | 20.4°C about the same | 3.6°C about the same | 999 mm |
| Fremington 4.0 mi | 19.9°C about the same | 3.7°C about the same | 1,085 mm |
| Chivenor and Wrafton 4.8 mi | 20.0°C about the same | 3.7°C about the same | 1,083 mm |
| Braunton 5.1 mi | 20.4°C about the same | 3.8°C about the same | 956 mm |
Northam 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 | 9.1°C 48°F | 3.7°C 39°F | 6.4°C | 105 mm 4.1 in |
| February | 9.4°C 49°F | 3.3°C 38°F | 6.4°C | 76 mm 3.0 in |
| March | 11.2°C 52°F | 4.4°C 40°F | 7.8°C | 65 mm 2.5 in |
| April | 13.6°C 57°F | 5.6°C 42°F | 9.6°C | 55 mm 2.2 in |
| May | 16.3°C 61°F | 8.2°C 47°F | 12.2°C | 56 mm 2.2 in |
| June | 18.8°C 66°F | 10.9°C 52°F | 14.8°C | 66 mm 2.6 in |
| July | 20.4°C 69°F | 12.8°C 55°F | 16.6°C | 70 mm 2.8 in |
| August | 20.3°C 69°F | 12.9°C 55°F | 16.7°C | 80 mm 3.1 in |
| September | 18.7°C 66°F | 11.4°C 52°F | 15.0°C | 72 mm 2.8 in |
| October | 15.3°C 60°F | 8.9°C 48°F | 12.2°C | 115 mm 4.5 in |
| November | 12.2°C 54°F | 6.2°C 43°F | 9.2°C | 114 mm 4.5 in |
| December | 9.8°C 50°F | 4.2°C 40°F | 7.0°C | 122 mm 4.8 in |
| Year | 14.6°C | 7.7°C | 11.1°C | 995 mm |
Where Northam’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 Northam’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 Chivenor, 4.5 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 Northam’s climate
How warm does Northam get in summer?
July is the warmest month, with average highs of 20.4°C (69°F). About 5 days a year reach 25°C (77°F), fewer than 75% of UK towns.
How cold does Northam get in winter?
February nights average 3.3°C (38°F). The air drops below freezing on about 17 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Northam get?
About 995 mm (39 in) a year, more than 78% of UK towns. December is the wettest month (122 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 Northam. 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 Northam →
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.