Photo: Philip Barker · CC BY-SA 2.0Thornaby-on-Tees is drier than 84% of UK towns: 636 mm (25 in) of rain a year
In July the day’s top temperature is typically 20.7°C (69°F). In January, nights here are colder than in 68% of UK towns. Seasons differ by 19°C, from the coldest nights to the warmest afternoons. Keep the boiler serviced for the months from November to April, which average under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Thornaby-on-Tees at a glance
Each month’s typical high and low, in °C.
What a year in Thornaby-on-Tees feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 636 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. 43rd wettest of 56 North Yorkshire towns of 2,500+.
Rain by month
Millimetres
42 air frosts and 9 days of 25°C a year
On about 42 nights a year the air drops below freezing; days that stay below freezing are rare. About 9 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 19 miles north-west of Thornaby-on-Tees, 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 Thornaby-on-Tees 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 |
|---|---|---|---|
| Thornaby-on-Tees | 20.7°C | 1.5°C | 636 mm |
| Ingleby Barwick 1.8 mi | 20.7°C about the same | 1.5°C about the same | 643 mm |
| Stainton 2.0 mi | 20.9°C about the same | 1.6°C about the same | 674 mm |
| Stockton-on-Tees 2.6 mi | 21.1°C about the same | 1.3°C about the same | 624 mm |
| Egglescliffe 2.7 mi | 21.0°C about the same | 1.2°C about the same | 643 mm |
| Middlesbrough 3.0 mi | 21.0°C about the same | 1.7°C about the same | 633 mm |
| Yarm 3.9 mi | 20.8°C about the same | 1.2°C about the same | 642 mm |
Thornaby-on-Tees 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 | 7.3°C 45°F | 1.5°C 35°F | 4.4°C | 45 mm 1.8 in |
| February | 8.0°C 46°F | 1.7°C 35°F | 4.8°C | 40 mm 1.6 in |
| March | 10.4°C 51°F | 2.8°C 37°F | 6.5°C | 37 mm 1.4 in |
| April | 12.7°C 55°F | 4.6°C 40°F | 8.6°C | 44 mm 1.7 in |
| May | 15.7°C 60°F | 7.0°C 45°F | 11.4°C | 44 mm 1.7 in |
| June | 18.3°C 65°F | 9.8°C 50°F | 14.1°C | 65 mm 2.5 in |
| July | 20.7°C 69°F | 11.8°C 53°F | 16.3°C | 55 mm 2.2 in |
| August | 20.4°C 69°F | 11.7°C 53°F | 16.1°C | 74 mm 2.9 in |
| September | 17.8°C 64°F | 9.7°C 49°F | 13.8°C | 56 mm 2.2 in |
| October | 14.0°C 57°F | 6.9°C 44°F | 10.4°C | 58 mm 2.3 in |
| November | 10.0°C 50°F | 3.8°C 39°F | 6.9°C | 65 mm 2.5 in |
| December | 7.3°C 45°F | 1.5°C 35°F | 4.4°C | 54 mm 2.1 in |
| Year | 13.5°C | 6.1°C | 9.8°C | 636 mm |
Where Thornaby-on-Tees’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 3 Met Office 2 km grid squares whose centre lies inside Thornaby-on-Tees’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, 19 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 Thornaby-on-Tees’s climate
How warm does Thornaby-on-Tees get in summer?
July is the warmest month, with average highs of 20.7°C (69°F). About 9 days a year reach 25°C (77°F), fewer than 59% of UK towns.
How cold does Thornaby-on-Tees get in winter?
December nights average 1.5°C (35°F). The air drops below freezing on about 42 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Thornaby-on-Tees get?
About 636 mm (25 in) a year, less than 84% of UK towns. August is the wettest month (74 mm) and March the driest (37 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 Thornaby-on-Tees. 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 Thornaby-on-Tees →
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