January in Windmill Hill stays gentler than in 80% of UK towns
On a normal July day the thermometer tops out near 21.6°C (71°F). By warm days alone, it ranks hotter than 63% of UK towns. December is the wettest month, April the driest. Long walks are most pleasant from June to September, when afternoons reach 19–22°C.
Met Office 1991–2020 averages for the town itself.
A year in Windmill Hill at a glance
Each month’s typical high and low, in °C.
What a year in Windmill Hill feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 824 mm of rain a year
December is the wettest month and April the driest. About 25 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Eastbourne
35 air frosts and 13 days of 25°C a year
On about 35 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 13 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 Eastbourne
Eastbourne is 8.9 miles south of Windmill Hill, 7 m (23 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 | 8.5°C | 3.9°C | 83 mm | 4.5 | 70 |
| February | 8.6°C | 3.6°C | 58 mm | 3.8 | 90 |
| March | 10.5°C | 4.9°C | 48 mm | 1.1 | 134 |
| April | 13.3°C | 6.7°C | 45 mm | 0.2 | 203 |
| May | 16.3°C | 9.6°C | 46 mm | 0.0 | 236 |
| June | 18.9°C | 12.5°C | 47 mm | 0.0 | 239 |
| July | 21.0°C | 14.7°C | 54 mm | 0.0 | 252 |
| August | 21.3°C | 14.9°C | 60 mm | 0.0 | 233 |
| September | 19.2°C | 12.6°C | 60 mm | 0.0 | 172 |
| October | 15.7°C | 9.9°C | 93 mm | 0.0 | 121 |
| November | 11.9°C | 6.9°C | 98 mm | 0.6 | 78 |
| December | 9.3°C | 4.5°C | 100 mm | 3.8 | 62 |
| Year | 14.5°C | 8.7°C | 792 mm | 14 | 1,889 |
Met Office historic station data, Eastbourne, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Windmill Hill 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 East Sussex 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 |
|---|---|---|---|
| Windmill Hill | 21.6°C | 2.3°C | 824 mm |
| Herstmonceux 0.8 mi | 22.0°C about the same | 2.2°C about the same | 839 mm |
| Hellingly 3.4 mi | 21.9°C about the same | 2.2°C about the same | 841 mm |
| Ninfield 3.7 mi | 21.8°C about the same | 2.4°C about the same | 844 mm |
| Hailsham 3.9 mi | 22.1°C 0.6°C warmer | 2.2°C about the same | 833 mm |
| Westham 4.8 mi | 21.6°C about the same | 3.1°C 0.8°C milder | 821 mm |
| Pevensey Bay 5.0 mi | 21.6°C about the same | 3.2°C 0.9°C milder | 818 mm |
Windmill Hill 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 | 8.0°C 46°F | 2.3°C 36°F | 5.1°C | 90 mm 3.5 in |
| February | 8.2°C 47°F | 2.2°C 36°F | 5.2°C | 62 mm 2.4 in |
| March | 10.7°C 51°F | 3.6°C 38°F | 7.2°C | 48 mm 1.9 in |
| April | 13.7°C 57°F | 5.3°C 42°F | 9.5°C | 46 mm 1.8 in |
| May | 16.8°C 62°F | 8.3°C 47°F | 12.5°C | 47 mm 1.9 in |
| June | 19.6°C 67°F | 10.9°C 52°F | 15.2°C | 52 mm 2.0 in |
| July | 21.6°C 71°F | 13.0°C 55°F | 17.3°C | 56 mm 2.2 in |
| August | 21.7°C 71°F | 13.0°C 55°F | 17.3°C | 68 mm 2.7 in |
| September | 19.1°C 66°F | 10.8°C 51°F | 14.9°C | 62 mm 2.4 in |
| October | 15.4°C 60°F | 8.2°C 47°F | 11.8°C | 95 mm 3.7 in |
| November | 11.4°C 52°F | 5.0°C 41°F | 8.2°C | 99 mm 3.9 in |
| December | 8.7°C 48°F | 2.8°C 37°F | 5.7°C | 100 mm 3.9 in |
| Year | 14.6°C | 7.1°C | 10.8°C | 824 mm |
Where Windmill Hill’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 1 Met Office 2 km grid square whose centre lies inside Windmill Hill’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 Eastbourne, 8.9 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 Windmill Hill’s climate
How warm does Windmill Hill get in summer?
August is the warmest month, with average highs of 21.7°C (71°F). About 13 days a year reach 25°C (77°F), more than 63% of UK towns.
How cold does Windmill Hill get in winter?
February nights average 2.2°C (36°F). The air drops below freezing on about 35 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Windmill Hill get?
About 824 mm (32 in) a year, more than 58% of UK towns. December 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, Eastbourne (8.9 miles away), averages 1,889 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 Windmill Hill. 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 Windmill Hill →
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