Photo: Ian Hawfinch · CC BY-SA 2.0Winter nights in Henfield are milder than in 76% of UK towns
High summer brings afternoon highs near 22.2°C (72°F). From frosty January to warm July, readings climb 20°C. About 16 days a year reach 25°C, more than in 75% of UK towns. Frost greets about 43 mornings a year, so leave time to clear the car.
Met Office 1991–2020 averages for the town itself.
A year in Henfield at a glance
Each month’s typical high and low, in °C.
What a year in Henfield feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 860 mm of rain a year
November is the wettest month and April the driest. About 27 days a year bring 10 mm (0.4 in) or more. 16th wettest of 40 West Sussex towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Eastbourne
43 air frosts and 16 days of 25°C a year
On about 43 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 16 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 27 miles south-east of Henfield, 7 m (23 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 | 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 Henfield 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 West 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 |
|---|---|---|---|
| Henfield | 22.2°C | 2.2°C | 860 mm |
| Partridge Green 2.3 mi | 22.2°C about the same | 2.2°C about the same | 817 mm |
| Upper Beeding 3.6 mi | 22.2°C about the same | 2.5°C about the same | 878 mm |
| Cowfold 3.8 mi | 22.6°C about the same | 2.0°C about the same | 816 mm |
| Steyning 3.8 mi | 22.2°C about the same | 2.2°C about the same | 876 mm |
| Ashington 5.1 mi | 22.3°C about the same | 2.2°C about the same | 960 mm |
| Hassocks and Hurstpierpoint 5.4 mi | 21.7°C 0.5°C cooler | 2.2°C about the same | 903 mm |
Henfield 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 | 8.2°C 47°F | 2.2°C 36°F | 5.1°C | 97 mm 3.8 in |
| February | 8.5°C 47°F | 1.9°C 35°F | 5.2°C | 66 mm 2.6 in |
| March | 11.1°C 52°F | 3.5°C 38°F | 7.3°C | 54 mm 2.1 in |
| April | 14.1°C 57°F | 5.0°C 41°F | 9.5°C | 52 mm 2.0 in |
| May | 17.3°C 63°F | 7.9°C 46°F | 12.7°C | 52 mm 2.1 in |
| June | 20.2°C 68°F | 10.8°C 51°F | 15.6°C | 52 mm 2.1 in |
| July | 22.2°C 72°F | 12.8°C 55°F | 17.5°C | 55 mm 2.1 in |
| August | 22.3°C 72°F | 12.8°C 55°F | 17.5°C | 65 mm 2.6 in |
| September | 19.6°C 67°F | 10.5°C 51°F | 15.0°C | 64 mm 2.5 in |
| October | 15.7°C 60°F | 8.0°C 46°F | 11.9°C | 98 mm 3.9 in |
| November | 11.4°C 52°F | 4.8°C 41°F | 8.1°C | 104 mm 4.1 in |
| December | 8.7°C 48°F | 2.6°C 37°F | 5.6°C | 103 mm 4.1 in |
| Year | 14.9°C | 6.9°C | 10.9°C | 860 mm |
Where Henfield’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 Henfield’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, 27 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 Henfield’s climate
How warm does Henfield get in summer?
August is the warmest month, with average highs of 22.3°C (72°F). About 16 days a year reach 25°C (77°F), more than 75% of UK towns.
How cold does Henfield get in winter?
February nights average 1.9°C (35°F). The air drops below freezing on about 43 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Henfield get?
About 860 mm (34 in) a year, more than 64% of UK towns. November is the wettest month (104 mm) and April the driest (52 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Eastbourne (27 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 Henfield. 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 Henfield →
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