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Climate in Penpol · Met Office 1991–2020 averages

Few UK towns have milder winter nights than Penpol

January nights average 4.1°C (39°F), July afternoons 20.4°C (69°F), and a year brings 1,188 mm (47 in) of rain. Summers, though, bring few warm days: about 3 a year reach 25°C, fewer than in 97% of UK towns. It is a wet place: more rain falls here than on 91% of UK towns.

July afternoons: cooler than 81% of UK towns
January nights: milder than almost every UK town
Rain a year: wetter than 91% of UK towns

A year in Penpol at a glance

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

Jan10°C4°C
Feb10°C4°CColdest nights
Mar11°C5°C
Apr13°C6°C
May16°C8°C
Jun19°C11°C
Jul20°C13°CWarmest
Aug20°C13°C
Sep18°C11°C
Oct15°C9°C
Nov now12°C6°C
Dec10°C5°CWettest
A normal year

What a year in Penpol feels like

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

Winter
10°C / 4°C
50°F / 40°F · 398 mm of rain, the wettest season
Spring
14°C / 6°C
56°F / 43°F · 221 mm of rain
Summer
20°C / 12°C
67°F / 54°F · 3 days of 25°C+ a year
Autumn
15°C / 9°C
60°F / 48°F · 354 mm of rain
Best months to be outsideJunJulAugSepHighs of 17–27°C (63–81°F) and nights of 8°C (46°F) or more
Rain

About 1,188 mm of rain a year

December is the wettest month and May the driest. About 36 days a year bring 10 mm (0.4 in) or more.

1,188 mm
Rain a year (47 in)
Wetter than 91% of UK towns
36
Days a year with 10 mm of rain or more
1,611 hrs
Sunshine a year at Camborne
11 miles away

Rain by month

Millimetres

160 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Camborne

208 h
JFMAMJJASOND
Frost & warm days

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

On about 15 nights a year the air drops below freezing; days that stay below freezing are rare. About 3 days a year reach 25°C (77°F).

15
Air frosts a year (below 0°C)
Fewer frosts than 98% of UK towns
under 1
Days that stay below 0°C
3
Days of 25°C (77°F) or more
Fewer warm days than 97% 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 11 miles west of Penpol, 87 m (285 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.

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 Penpol 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 Cornwall towns that size.

July afternoons20.4°C (69°F)
Cooler than 81% of UK towns
January nights4.1°C (39°F)
Milder than almost every UK town
Rain a year1,188 mm (47 in)
Wetter than 91% of UK towns
Air frosts a year15 nights
Fewer frosts than 98% of UK towns
Days of 25°C or more3 days
Fewer warm days than 97% 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
Penpol20.4°C4.1°C1,188 mm
Carnon Downs and Devoran 1.2 mi19.9°C about the same4.2°C about the same1,193 mm
Mylor Bridge 1.6 mi20.5°C about the same4.3°C about the same1,147 mm
Perranarworthal 2.2 mi19.9°C about the same4.1°C about the same1,199 mm
Penryn 3.2 mi19.6°C 0.8°C cooler4.2°C about the same1,322 mm
Truro 3.8 mi20.0°C about the same3.7°C about the same1,144 mm
Falmouth 3.9 mi19.8°C 0.6°C cooler4.8°C 0.8°C milder1,216 mm
Month by month

Penpol 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
January9.8°C 50°F4.1°C 39°F6.9°C130 mm 5.1 in
February9.8°C 50°F3.8°C 39°F6.7°C108 mm 4.3 in
March11.3°C 52°F4.7°C 41°F7.9°C84 mm 3.3 in
April13.2°C 56°F5.7°C 42°F9.5°C74 mm 2.9 in
May16.0°C 61°F8.1°C 47°F12.0°C63 mm 2.5 in
June18.5°C 65°F10.9°C 52°F14.7°C66 mm 2.6 in
July20.4°C 69°F12.9°C 55°F16.5°C67 mm 2.6 in
August20.3°C 68°F12.6°C 55°F16.4°C83 mm 3.3 in
September18.4°C 65°F11.0°C 52°F14.8°C79 mm 3.1 in
October15.3°C 60°F9.0°C 48°F12.1°C122 mm 4.8 in
November12.3°C 54°F6.0°C 43°F9.2°C152 mm 6.0 in
December10.3°C 51°F4.6°C 40°F7.4°C160 mm 6.3 in
Year14.6°C7.8°C11.2°C1,188 mm
Sources

Where Penpol’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 Penpol’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, 11 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 Penpol’s climate

How warm does Penpol get in summer?

July is the warmest month, with average highs of 20.4°C (69°F). About 3 days a year reach 25°C (77°F), fewer than 97% of UK towns.

How cold does Penpol get in winter?

February nights average 3.8°C (39°F). The air drops below freezing on about 15 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Penpol get?

About 1,188 mm (47 in) a year, more than 91% of UK towns. December is the wettest month (160 mm) and May the driest (63 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Camborne (11 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 Penpol. 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 Penpol →

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.