Few UK towns get more frosts than Farningham
A typical January night drops to 1.6°C (35°F) and a July afternoon reaches 22.5°C (73°F); 700 mm (28 in) of rain falls in a year. Summers go the other way: about 21 days a year reach 25°C, more than in 92% of UK towns. Rain is light here, less than falls on 61% of UK towns.
A year in Farningham at a glance
Each month’s typical high and low, in °C.
What a year in Farningham feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 700 mm of rain a year
November is the wettest month and March the driest. About 17 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: 57 air frosts and 21 days of 25°C a year
On about 57 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 21 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 30 miles west of Farningham, 25 m (82 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 | 8.4°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 Farningham compares
Against the 2,178 towns and cities of 2,500 or more in England and Wales, each with its own Met Office averages, and its place among Kent 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 |
|---|---|---|---|
| Farningham | 22.5°C | 1.6°C | 700 mm |
| Eynsford 0.8 mi | 22.5°C about the same | 1.6°C about the same | 700 mm |
| Horton Kirby 1.5 mi | 23.0°C 0.5°C warmer | 1.9°C about the same | 652 mm |
| South Darenth and Sutton at Hone 2.1 mi | 23.1°C 0.6°C warmer | 2.2°C 0.6°C milder | 638 mm |
| West Kingsdown 2.6 mi | 22.0°C 0.5°C cooler | 1.2°C about the same | 766 mm |
| Crockenhill 2.6 mi | 22.8°C about the same | 1.7°C about the same | 656 mm |
| Swanley 2.6 mi | 22.5°C about the same | 2.0°C about the same | 650 mm |
Farningham 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 | 7.7°C 46°F | 1.6°C 35°F | 4.6°C | 70 mm 2.8 in |
| February | 8.1°C 47°F | 1.4°C 34°F | 4.7°C | 57 mm 2.2 in |
| March | 10.8°C 51°F | 2.6°C 37°F | 6.7°C | 44 mm 1.7 in |
| April | 13.8°C 57°F | 3.9°C 39°F | 8.8°C | 48 mm 1.9 in |
| May | 17.1°C 63°F | 6.6°C 44°F | 11.8°C | 50 mm 2.0 in |
| June | 20.1°C 68°F | 9.4°C 49°F | 14.7°C | 48 mm 1.9 in |
| July | 22.5°C 73°F | 11.8°C 53°F | 17.2°C | 45 mm 1.8 in |
| August | 22.3°C 72°F | 11.7°C 53°F | 17.0°C | 54 mm 2.1 in |
| September | 19.2°C 67°F | 9.4°C 49°F | 14.3°C | 53 mm 2.1 in |
| October | 15.0°C 59°F | 6.9°C 44°F | 10.9°C | 78 mm 3.1 in |
| November | 10.7°C 51°F | 3.9°C 39°F | 7.3°C | 78 mm 3.1 in |
| December | 8.1°C 47°F | 1.8°C 35°F | 5.0°C | 77 mm 3.0 in |
| Year | 14.6°C | 5.9°C | 10.2°C | 700 mm |
Where Farningham’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 Farningham’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), 30 miles away, months of 1991–2020 averaged.
- Comparisons: every town and city of 2,500 or more in England and Wales, read the same way.
Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.
Questions about Farningham’s climate
How warm does Farningham get in summer?
July is the warmest month, with average highs of 22.5°C (73°F). About 21 days a year reach 25°C (77°F), more than 92% of UK towns.
How cold does Farningham get in winter?
February nights average 1.4°C (34°F). The air drops below freezing on about 57 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Farningham get?
About 700 mm (28 in) a year, less than 61% of UK towns. November is the wettest month (78 mm) and March the driest (44 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Heathrow (30 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 Farningham. 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 Farningham →
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