Photo: G Laird · CC BY-SA 2.0January in Newarthill bites harder than in 95% of UK towns
Expect July afternoons of about 19.7°C (67°F). Only about 3 days a year reach 25°C, fewer than in 86% of UK towns. A year here swings 19°C from midwinter lows to midsummer highs. Garden chairs stay out from June to August, the months with highs of 18–20°C.
Met Office 1991–2020 averages for the town itself.
A year in Newarthill at a glance
Each month’s typical high and low, in °C.
What a year in Newarthill feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 1,069 mm of rain a year
January is the wettest month and April the driest. About 32 days a year bring 10 mm (0.4 in) or more. 15th wettest of 24 North Lanarkshire towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Paisley
A frosty town: 55 air frosts and 3 days of 25°C a year
On about 55 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 3 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 Paisley
Paisley is 19 miles west of Newarthill, 32 m (105 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 | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.1°C | 1.9°C | 147 mm | 8.5 | 39 |
| February | 7.8°C | 2.1°C | 111 mm | 7.3 | 69 |
| March | 9.9°C | 3.2°C | 100 mm | 4.3 | 103 |
| April | 12.9°C | 5.1°C | 72 mm | 0.9 | 133 |
| May | 16.1°C | 7.4°C | 63 mm | 0.1 | 184 |
| June | 18.3°C | 10.2°C | 67 mm | 0.0 | 161 |
| July | 19.7°C | 12.1°C | 76 mm | 0.0 | 149 |
| August | 19.5°C | 11.9°C | 90 mm | 0.0 | 151 |
| September | 16.7°C | 9.9°C | 99 mm | 0.0 | 116 |
| October | 12.9°C | 6.8°C | 134 mm | 0.9 | 89 |
| November | 9.6°C | 4.3°C | 133 mm | 3.6 | 54 |
| December | 6.8°C | 1.5°C | 136 mm | 9.7 | 36 |
| Year | 13.1°C | 6.4°C | 1,229 mm | 35 | 1,282 |
Met Office historic station data, Paisley, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Newarthill 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 Lanarkshire 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 |
|---|---|---|---|
| Newarthill | 19.7°C | 0.9°C | 1,069 mm |
| Carfin 0.8 mi | 19.7°C about the same | 0.9°C about the same | 1,070 mm |
| New Stevenston 1.0 mi | 19.7°C about the same | 0.9°C about the same | 1,069 mm |
| Holytown 1.0 mi | 19.2°C about the same | 1.1°C about the same | 1,064 mm |
| Cleland 1.6 mi | 18.8°C 0.9°C cooler | 0.6°C about the same | 1,148 mm |
| Chapelhall 1.8 mi | 18.9°C 0.8°C cooler | 1.0°C about the same | 1,065 mm |
| Motherwell 2.4 mi | 19.5°C about the same | 1.0°C about the same | 1,063 mm |
Newarthill 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 | 6.4°C 43°F | 0.9°C 34°F | 3.6°C | 119 mm 4.7 in |
| February | 7.3°C 45°F | 1.2°C 34°F | 4.3°C | 92 mm 3.6 in |
| March | 9.4°C 49°F | 2.4°C 36°F | 5.9°C | 79 mm 3.1 in |
| April | 12.3°C 54°F | 4.1°C 39°F | 8.2°C | 55 mm 2.2 in |
| May | 15.5°C 60°F | 6.5°C 44°F | 11.0°C | 59 mm 2.3 in |
| June | 18.0°C 64°F | 9.5°C 49°F | 13.7°C | 68 mm 2.7 in |
| July | 19.7°C 67°F | 11.3°C 52°F | 15.4°C | 88 mm 3.5 in |
| August | 19.3°C 67°F | 11.1°C 52°F | 15.2°C | 90 mm 3.6 in |
| September | 16.7°C 62°F | 9.1°C 48°F | 12.9°C | 82 mm 3.2 in |
| October | 12.8°C 55°F | 6.1°C 43°F | 9.5°C | 112 mm 4.4 in |
| November | 9.1°C 48°F | 3.2°C 38°F | 6.2°C | 105 mm 4.1 in |
| December | 6.7°C 44°F | 1.0°C 34°F | 3.8°C | 118 mm 4.6 in |
| Year | 12.8°C | 5.5°C | 9.1°C | 1,069 mm |
Where Newarthill’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 Newarthill’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 Paisley, 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 Newarthill’s climate
How warm does Newarthill get in summer?
July is the warmest month, with average highs of 19.7°C (67°F). About 3 days a year reach 25°C (77°F), fewer than 86% of UK towns.
How cold does Newarthill get in winter?
January nights average 0.9°C (34°F). The air drops below freezing on about 55 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Newarthill get?
About 1,069 mm (42 in) a year, more than 82% of UK towns. January is the wettest month (119 mm) and April the driest (55 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Paisley (19 miles away), averages 1,282 hours of bright sunshine a year. Sunshine isn’t on the town grid, so this is the station’s figure.
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 Newarthill. 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 Newarthill →
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.