Lanark sits near the bottom of UK towns for winter warmth
In July the day’s top temperature is typically 19.2°C (67°F). Summers stay cool: July afternoons here are cooler than in 89% of UK towns. Of all months, January brings the most rain and April the least. Warm coats and heating bills mark the months from October to April, when means dip under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Lanark at a glance
Each month’s typical high and low, in °C.
What a year in Lanark feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 912 mm of rain a year
January is the wettest month and April the driest. About 25 days a year bring 10 mm (0.4 in) or more. 16th wettest of 16 South Lanarkshire towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Paisley
A frosty town: 61 air frosts and 3 days of 25°C a year
On about 61 nights a year the air drops below freezing, and on about 2 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 28 miles north-west of Lanark, 32 m (105 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 | 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 Lanark 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 South 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 |
|---|---|---|---|
| Lanark | 19.2°C | 0.3°C | 912 mm |
| Carluke 4.6 mi | 18.6°C 0.6°C cooler | 0.2°C about the same | 1,029 mm |
| Lesmahagow 5.1 mi | 18.1°C 1.1°C cooler | 0.4°C about the same | 1,181 mm |
| Kirkmuirhill and Blackwood 5.8 mi | 18.6°C 0.6°C cooler | 0.6°C about the same | 1,081 mm |
| Law 6.7 mi | 18.7°C about the same | 0.4°C about the same | 1,021 mm |
| Stonehouse 8.5 mi | 18.4°C 0.8°C cooler | 0.7°C about the same | 1,084 mm |
| Larkhall 8.8 mi | 19.0°C about the same | 0.7°C about the same | 1,056 mm |
Lanark 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 | 5.7°C 42°F | 0.3°C 33°F | 3.0°C | 100 mm 3.9 in |
| February | 6.8°C 44°F | 0.6°C 33°F | 3.7°C | 79 mm 3.1 in |
| March | 8.8°C 48°F | 1.8°C 35°F | 5.3°C | 67 mm 2.6 in |
| April | 12.0°C 54°F | 3.5°C 38°F | 7.7°C | 46 mm 1.8 in |
| May | 15.2°C 59°F | 5.7°C 42°F | 10.6°C | 50 mm 2.0 in |
| June | 17.6°C 64°F | 8.8°C 48°F | 13.1°C | 57 mm 2.2 in |
| July | 19.2°C 67°F | 10.4°C 51°F | 14.8°C | 78 mm 3.1 in |
| August | 18.6°C 66°F | 10.2°C 50°F | 14.4°C | 83 mm 3.3 in |
| September | 16.0°C 61°F | 8.2°C 47°F | 12.1°C | 71 mm 2.8 in |
| October | 12.2°C 54°F | 5.4°C 42°F | 8.8°C | 91 mm 3.6 in |
| November | 8.5°C 47°F | 2.5°C 37°F | 5.5°C | 94 mm 3.7 in |
| December | 6.2°C 43°F | 0.4°C 33°F | 3.3°C | 97 mm 3.8 in |
| Year | 12.2°C | 4.8°C | 8.5°C | 912 mm |
Where Lanark’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 2 Met Office 2 km grid squares whose centre lies inside Lanark’s locality.
- 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, 28 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 Lanark’s climate
How warm does Lanark get in summer?
July is the warmest month, with average highs of 19.2°C (67°F). About 3 days a year reach 25°C (77°F), fewer than 89% of UK towns.
How cold does Lanark get in winter?
January nights average 0.3°C (33°F). The air drops below freezing on about 61 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Lanark get?
About 912 mm (36 in) a year, more than 71% of UK towns. January is the wettest month (100 mm) and April the driest (46 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Paisley (28 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 Lanark. 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 Lanark →
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.