Yarm has colder winter nights than 85% of UK towns
Sunny July days climb to about 20.8°C (69°F). By rainfall alone, it ranks drier than 83% of UK towns. Rain peaks in August and eases off in March. Gritters and ice scrapers earn their keep on roughly 48 nights a year below 0°C.
Met Office 1991–2020 averages for the town itself.
A year in Yarm at a glance
Each month’s typical high and low, in °C.
What a year in Yarm feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 642 mm of rain a year
August is the wettest month and March the driest. About 12 days a year bring 10 mm (0.4 in) or more. 41st wettest of 56 North Yorkshire towns of 2,500+.
Rain by month
Millimetres
48 air frosts and 8 days of 25°C a year
On about 48 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 8 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 Durham
Durham is 21 miles north-west of Yarm, 102 m (335 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 | 6.9°C | 1.3°C | 53 mm | 10.3 |
| February | 7.8°C | 1.4°C | 46 mm | 9.8 |
| March | 9.9°C | 2.5°C | 41 mm | 6.5 |
| April | 12.5°C | 4.1°C | 51 mm | 3.2 |
| May | 15.4°C | 6.5°C | 45 mm | 0.8 |
| June | 18.0°C | 9.3°C | 61 mm | 0.0 |
| July | 20.2°C | 11.3°C | 61 mm | 0.0 |
| August | 19.9°C | 11.3°C | 67 mm | 0.0 |
| September | 17.4°C | 9.2°C | 57 mm | 0.0 |
| October | 13.5°C | 6.5°C | 63 mm | 1.2 |
| November | 9.7°C | 3.6°C | 76 mm | 4.6 |
| December | 7.1°C | 1.4°C | 61 mm | 10.4 |
| Year | 13.2°C | 5.7°C | 681 mm | 47 |
Met Office historic station data, Durham, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Yarm 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 North Yorkshire 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 |
|---|---|---|---|
| Yarm | 20.8°C | 1.2°C | 642 mm |
| Egglescliffe 1.8 mi | 21.0°C about the same | 1.2°C about the same | 643 mm |
| Ingleby Barwick 2.1 mi | 20.7°C about the same | 1.5°C about the same | 643 mm |
| Thornaby-on-Tees 3.9 mi | 20.7°C about the same | 1.5°C about the same | 636 mm |
| Stainton 4.1 mi | 20.9°C about the same | 1.6°C about the same | 674 mm |
| Hutton Rudby 4.3 mi | 20.9°C about the same | 1.7°C about the same | 660 mm |
| Middleton St George 4.6 mi | 20.6°C about the same | 1.1°C about the same | 614 mm |
Yarm 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 | 7.1°C 45°F | 1.2°C 34°F | 4.1°C | 43 mm 1.7 in |
| February | 7.9°C 46°F | 1.4°C 34°F | 4.6°C | 41 mm 1.6 in |
| March | 10.2°C 50°F | 2.4°C 36°F | 6.3°C | 38 mm 1.5 in |
| April | 12.8°C 55°F | 4.0°C 39°F | 8.4°C | 50 mm 2.0 in |
| May | 15.8°C 60°F | 6.4°C 43°F | 11.1°C | 41 mm 1.6 in |
| June | 18.4°C 65°F | 9.1°C 48°F | 13.8°C | 62 mm 2.4 in |
| July | 20.8°C 69°F | 11.1°C 52°F | 16.0°C | 65 mm 2.6 in |
| August | 20.4°C 69°F | 11.1°C 52°F | 15.8°C | 65 mm 2.6 in |
| September | 17.8°C 64°F | 9.2°C 48°F | 13.5°C | 59 mm 2.3 in |
| October | 13.9°C 57°F | 6.5°C 44°F | 10.2°C | 56 mm 2.2 in |
| November | 9.9°C 50°F | 3.5°C 38°F | 6.7°C | 65 mm 2.6 in |
| December | 7.3°C 45°F | 1.2°C 34°F | 4.3°C | 57 mm 2.2 in |
| Year | 13.5°C | 5.6°C | 9.5°C | 642 mm |
Where Yarm’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 Yarm’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 Durham, 21 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 Yarm’s climate
How warm does Yarm get in summer?
July is the warmest month, with average highs of 20.8°C (69°F). About 8 days a year reach 25°C (77°F), fewer than 63% of UK towns.
How cold does Yarm get in winter?
December nights average 1.2°C (34°F). The air drops below freezing on about 48 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Yarm get?
About 642 mm (25 in) a year, less than 83% of UK towns. August is the wettest month (65 mm) and March the driest (38 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 Yarm. 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 Yarm →
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.