More days reach 25 degrees in West Horsley than in 86% of UK towns
The coldest hours of a January night bottom out at 1.7°C (35°F) on average. A year here swings 21°C from midwinter lows to midsummer highs. Frosty nights outnumber those of 86% of UK towns. Windscreens need scraping on about 50 mornings a year, the nights the air drops below 0°C.
Met Office 1991–2020 averages for the town itself.
A year in West Horsley at a glance
Each month’s typical high and low, in °C.
What a year in West Horsley feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 873 mm of rain a year
November is the wettest month and March the driest. About 22 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Heathrow
A frosty town: 50 air frosts and 19 days of 25°C a year
On about 50 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 19 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 Heathrow
Heathrow is 15 miles north of West Horsley, 25 m (82 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 | 8.4°C | 2.7°C | 59 mm | 6.8 | 59 |
| February | 9.0°C | 2.6°C | 45 mm | 6.2 | 76 |
| March | 11.7°C | 4.1°C | 39 mm | 3.0 | 120 |
| April | 15.0°C | 6.0°C | 42 mm | 0.8 | 169 |
| May | 18.4°C | 9.1°C | 46 mm | 0.0 | 197 |
| June | 21.6°C | 12.0°C | 47 mm | 0.0 | 197 |
| July | 23.9°C | 14.2°C | 46 mm | 0.0 | 206 |
| August | 23.4°C | 14.1°C | 54 mm | 0.0 | 192 |
| September | 20.2°C | 11.6°C | 50 mm | 0.0 | 150 |
| October | 15.8°C | 8.8°C | 65 mm | 0.3 | 111 |
| November | 11.5°C | 5.3°C | 67 mm | 2.7 | 68 |
| December | 8.8°C | 3.1°C | 57 mm | 7.2 | 53 |
| Year | 15.6°C | 7.8°C | 616 mm | 27 | 1,597 |
Met Office historic station data, Heathrow (London Airport), 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How West Horsley 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 Surrey 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 |
|---|---|---|---|
| West Horsley | 22.0°C | 1.7°C | 873 mm |
| East Horsley 1.3 mi | 23.2°C 1.1°C warmer | 1.9°C about the same | 714 mm |
| West Clandon 2.1 mi | 23.0°C 1.0°C warmer | 1.8°C about the same | 742 mm |
| Ripley 3.1 mi | 22.7°C 0.6°C warmer | 2.2°C 0.5°C milder | 714 mm |
| Gomshall 3.2 mi | 22.1°C about the same | 1.4°C about the same | 814 mm |
| Send 3.4 mi | 23.1°C 1.1°C warmer | 2.2°C about the same | 700 mm |
| Great Bookham and Fetcham 3.8 mi | 22.7°C 0.7°C warmer | 1.7°C about the same | 753 mm |
West Horsley 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 | 7.8°C 46°F | 1.7°C 35°F | 4.8°C | 84 mm 3.3 in |
| February | 7.7°C 46°F | 0.9°C 34°F | 4.3°C | 68 mm 2.7 in |
| March | 10.4°C 51°F | 2.2°C 36°F | 6.3°C | 55 mm 2.2 in |
| April | 13.5°C 56°F | 3.6°C 38°F | 8.5°C | 60 mm 2.4 in |
| May | 16.8°C 62°F | 6.4°C 43°F | 11.5°C | 58 mm 2.3 in |
| June | 19.7°C 68°F | 9.2°C 48°F | 14.4°C | 57 mm 2.3 in |
| July | 22.0°C 72°F | 11.3°C 52°F | 16.6°C | 62 mm 2.4 in |
| August | 21.7°C 71°F | 11.2°C 52°F | 16.4°C | 72 mm 2.8 in |
| September | 18.7°C 66°F | 9.0°C 48°F | 13.8°C | 69 mm 2.7 in |
| October | 14.5°C 58°F | 6.5°C 44°F | 10.5°C | 95 mm 3.7 in |
| November | 10.3°C 51°F | 3.5°C 38°F | 6.9°C | 100 mm 3.9 in |
| December | 7.6°C 46°F | 1.4°C 35°F | 4.5°C | 94 mm 3.7 in |
| Year | 14.2°C | 5.6°C | 9.9°C | 873 mm |
Where West Horsley’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 West Horsley’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 Heathrow (London Airport), 15 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 West Horsley’s climate
How warm does West Horsley get in summer?
July is the warmest month, with average highs of 22.0°C (72°F). About 19 days a year reach 25°C (77°F), more than 86% of UK towns.
How cold does West Horsley get in winter?
February nights average 0.9°C (34°F). The air drops below freezing on about 50 nights a year, and about 1 days a year stay below freezing all day.
How much rain does West Horsley get?
About 873 mm (34 in) a year, more than 66% of UK towns. November is the wettest month (100 mm) and March the driest (55 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Heathrow (15 miles away), averages 1,597 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 West Horsley. 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 West Horsley →
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