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Climate in Delabole · Met Office 1991–2020 averages

Delabole is among the least frosty of UK towns

In July the day’s top temperature is typically 18.8°C (66°F). Expect the heaviest rain in November and the lightest in May. Summers stay cool: July afternoons here are cooler than in 94% of UK towns. Homes need heating from November to April, the months averaging under 10°C.

July afternoons: cooler than 94% of UK towns
January nights: milder than 95% of UK towns
Rain a year: wetter than 89% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Delabole at a glance

Each month’s typical high and low, in °C.

Jan8°C3°C
Feb9°C3°CColdest nights
Mar10°C4°C
Apr13°C5°C
May15°C8°C
Jun17°C10°C
Jul19°C12°C
Aug19°C12°CWarmest
Sep18°C11°C
Oct14°C8°C
Nov now11°C6°CWettest
Dec9°C4°C
A normal year

What a year in Delabole feels like

Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.

Winter
9°C / 3°C
47°F / 38°F · 17 air frosts a year
Spring
13°C / 6°C
55°F / 42°F · 218 mm of rain
Summer
18°C / 11°C
65°F / 52°F · 3 days of 25°C+ a year
Autumn
14°C / 8°C
58°F / 47°F · 356 mm of rain, the wettest season
Best months to be outsideJunJulAugSepHighs of 17–27°C (63–81°F) and nights of 8°C (46°F) or more
Rain

About 1,193 mm of rain a year

November is the wettest month and May the driest. About 37 days a year bring 10 mm (0.4 in) or more.

1,193 mm
Rain a year (47 in)
Wetter than 89% of UK towns
37
Days a year with 10 mm of rain or more
1,611 hrs
Sunshine a year at Camborne
39 miles away

Rain by month

Millimetres

144 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Camborne

208 h
JFMAMJJASOND
Frost & warm days

17 air frosts and 3 days of 25°C a year

On about 17 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 3 days a year reach 25°C (77°F).

17
Air frosts a year (below 0°C)
Fewer frosts than 97% of UK towns
under 1
Days that stay below 0°C
3
Days of 25°C (77°F) or more
Fewer warm days than 88% of UK towns

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.

Weather station

The Met Office station at Camborne

Camborne is 39 miles south-west of Delabole, 87 m (285 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.

MonthHighLowRainAir frostsSun (hours)
January9.2°C4.9°C121 mm2.260
February9.1°C4.6°C95 mm2.182
March10.2°C5.4°C72 mm1.1121
April12.1°C6.6°C73 mm0.0181
May14.5°C8.8°C61 mm0.0208
June16.9°C11.2°C63 mm0.0205
July18.7°C13.2°C69 mm0.0190
August19.0°C13.4°C79 mm0.0180
September17.5°C12.0°C78 mm0.0154
October14.6°C10.0°C111 mm0.0108
November11.8°C7.4°C130 mm0.268
December9.9°C5.6°C126 mm1.754
Year13.6°C8.6°C1,076 mm71,611

Met Office historic station data, Camborne, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.

Compared with other towns

How Delabole 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 Cornwall towns that size.

July afternoons18.8°C (66°F)
Cooler than 94% of UK towns
January nights3.1°C (38°F)
Milder than 95% of UK towns
Rain a year1,193 mm (47 in)
Wetter than 89% of UK towns
Air frosts a year17 nights
Fewer frosts than 97% of UK towns
Days of 25°C or more3 days
Fewer warm days than 88% of UK towns
Next door

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.

TownJuly highJanuary lowRain a year
Delabole18.8°C3.1°C1,193 mm
Camelford 2.0 mi18.7°C about the same2.9°C about the same1,406 mm
Egloshayle 8.4 mi20.0°C 1.2°C warmer4.0°C 0.8°C milder1,050 mm
Wadebridge 8.8 mi20.0°C 1.2°C warmer4.0°C 0.8°C milder1,050 mm
Rock 9.2 mi19.7°C 0.9°C warmer4.2°C 1.1°C milder978 mm
Bodmin 10.6 mi20.4°C 1.6°C warmer3.6°C about the same1,283 mm
Padstow 11.1 mi19.7°C 0.9°C warmer4.5°C 1.3°C milder970 mm
Month by month

Delabole weather by month

Average daily high and low, mean temperature and rain, 1991–2020, for the town itself (the Met Office’s HadUK-Grid).

MonthHighLowMeanRain
January8.1°C 47°F3.1°C 38°F5.6°C125 mm 4.9 in
February8.5°C 47°F3.0°C 37°F5.8°C95 mm 3.7 in
March10.0°C 50°F3.9°C 39°F7.1°C80 mm 3.2 in
April12.6°C 55°F5.1°C 41°F8.9°C71 mm 2.8 in
May15.2°C 59°F7.7°C 46°F11.6°C67 mm 2.6 in
June17.2°C 63°F9.6°C 49°F13.3°C83 mm 3.3 in
July18.8°C 66°F12.0°C 54°F15.5°C92 mm 3.6 in
August19.3°C 67°F12.3°C 54°F15.9°C94 mm 3.7 in
September17.6°C 64°F10.7°C 51°F14.1°C84 mm 3.3 in
October14.3°C 58°F8.5°C 47°F11.3°C128 mm 5.0 in
November11.1°C 52°F5.9°C 43°F8.4°C144 mm 5.7 in
December8.9°C 48°F3.9°C 39°F6.4°C131 mm 5.2 in
Year13.4°C7.1°C10.3°C1,193 mm
Sources

Where Delabole’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 Delabole’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 Camborne, 39 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 Delabole’s climate

How warm does Delabole get in summer?

August is the warmest month, with average highs of 19.3°C (67°F). About 3 days a year reach 25°C (77°F), fewer than 88% of UK towns.

How cold does Delabole get in winter?

February nights average 3.0°C (37°F). The air drops below freezing on about 17 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Delabole get?

About 1,193 mm (47 in) a year, more than 89% of UK towns. November is the wettest month (144 mm) and May the driest (67 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Camborne (39 miles away), averages 1,611 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 Delabole. 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 Delabole →

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.