Photo: Peter Wood · CC BY-SA 2.0Summers, winters and rain in St Martins all run close to those of most UK towns
January nights average 1.7°C (35°F), July afternoons 20.9°C (70°F), and a year brings 910 mm (36 in) of rain. By rainfall alone, it ranks wetter than 71% of UK towns. Temperatures cover 19°C across the year, low to high. Expect about 40 frosty starts a year, nights when the air falls below freezing.
Met Office 1991–2020 averages for the town itself.
A year in St Martins at a glance
Each month’s typical high and low, in °C.
What a year in St Martins feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 910 mm of rain a year
October is the wettest month and April the driest. About 21 days a year bring 10 mm (0.4 in) or more. 3rd wettest of 20 Shropshire towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Shawbury
40 air frosts and 8 days of 25°C a year
On about 40 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 Shawbury
Shawbury is 17 miles south-east of St Martins, 72 m (236 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 | 7.5°C | 1.2°C | 57 mm | 11.7 | 50 |
| February | 8.1°C | 1.2°C | 43 mm | 10.8 | 71 |
| March | 10.3°C | 2.3°C | 43 mm | 8.2 | 109 |
| April | 13.2°C | 3.9°C | 47 mm | 4.4 | 148 |
| May | 16.3°C | 6.7°C | 54 mm | 0.9 | 181 |
| June | 19.1°C | 9.6°C | 59 mm | 0.0 | 173 |
| July | 21.1°C | 11.5°C | 58 mm | 0.0 | 179 |
| August | 20.7°C | 11.4°C | 64 mm | 0.0 | 156 |
| September | 18.1°C | 9.3°C | 61 mm | 0.0 | 127 |
| October | 14.2°C | 6.6°C | 69 mm | 1.8 | 92 |
| November | 10.3°C | 3.5°C | 61 mm | 6.7 | 59 |
| December | 7.7°C | 1.3°C | 66 mm | 11.2 | 48 |
| Year | 13.9°C | 5.7°C | 682 mm | 56 | 1,392 |
Met Office historic station data, Shawbury, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How St Martins 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 Shropshire 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 |
|---|---|---|---|
| St Martins | 20.9°C | 1.7°C | 910 mm |
| Gobowen 2.2 mi | 20.8°C about the same | 1.9°C about the same | 918 mm |
| Chirk 2.3 mi | 20.8°C about the same | 1.8°C about the same | 925 mm |
| Weston Rhyn 2.5 mi | 20.7°C about the same | 1.8°C about the same | 929 mm |
| Whittington 3.5 mi | 21.0°C about the same | 2.0°C about the same | 819 mm |
| Acrefair and Cefn-mawr 4.5 mi | 20.9°C about the same | 1.8°C about the same | 899 mm |
| Ellesmere 4.6 mi | 21.0°C about the same | 1.8°C about the same | 750 mm |
St Martins 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 | 7.6°C 46°F | 1.7°C 35°F | 4.7°C | 78 mm 3.1 in |
| February | 8.3°C 47°F | 2.0°C 36°F | 5.1°C | 66 mm 2.6 in |
| March | 10.5°C 51°F | 3.1°C 38°F | 6.8°C | 63 mm 2.5 in |
| April | 13.4°C 56°F | 4.8°C 41°F | 9.1°C | 62 mm 2.4 in |
| May | 16.5°C 62°F | 7.2°C 45°F | 11.9°C | 63 mm 2.5 in |
| June | 19.2°C 66°F | 10.1°C 50°F | 14.7°C | 73 mm 2.9 in |
| July | 20.9°C 70°F | 12.0°C 54°F | 16.6°C | 73 mm 2.9 in |
| August | 20.6°C 69°F | 12.0°C 54°F | 16.4°C | 71 mm 2.8 in |
| September | 18.0°C 64°F | 9.9°C 50°F | 14.0°C | 64 mm 2.5 in |
| October | 14.2°C 57°F | 7.2°C 45°F | 10.7°C | 114 mm 4.5 in |
| November | 10.6°C 51°F | 4.5°C 40°F | 7.5°C | 87 mm 3.4 in |
| December | 8.1°C 47°F | 2.2°C 36°F | 5.2°C | 97 mm 3.8 in |
| Year | 14.0°C | 6.4°C | 10.2°C | 910 mm |
Where St Martins’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 St Martins’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 Shawbury, 17 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 St Martins’s climate
How warm does St Martins get in summer?
July is the warmest month, with average highs of 20.9°C (70°F). About 8 days a year reach 25°C (77°F), fewer than 61% of UK towns.
How cold does St Martins get in winter?
January nights average 1.7°C (35°F). The air drops below freezing on about 40 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does St Martins get?
About 910 mm (36 in) a year, more than 71% of UK towns. October is the wettest month (114 mm) and April the driest (62 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Shawbury (17 miles away), averages 1,392 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 St Martins. 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 St Martins →
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