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Climate in Perranporth · Met Office 1991–2020 averages

Few UK towns have milder winter nights than Perranporth

On a normal July day the thermometer tops out near 18.9°C (66°F). Winter and summer sit 15°C apart. By July afternoons alone, it runs cooler than 93% of UK towns. The outdoor season runs from June to September, with highs of 17–19°C.

July afternoons: cooler than 93% of UK towns
January nights: milder than almost every UK town
Rain a year: wetter than 80% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Perranporth at a glance

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

Jan10°C5°C
Feb9°C4°CColdest nights
Mar11°C5°C
Apr13°C6°C
May15°C8°C
Jun17°C11°C
Jul19°C13°C
Aug19°C13°CWarmest
Sep18°C12°C
Oct15°C10°C
Nov now12°C7°CWettest
Dec10°C5°C
A normal year

What a year in Perranporth feels like

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

Winter
10°C / 5°C
49°F / 41°F · 327 mm of rain, the wettest season
Spring
13°C / 6°C
55°F / 43°F · 201 mm of rain
Summer
18°C / 12°C
65°F / 54°F · 1 days of 25°C+ a year
Autumn
15°C / 9°C
59°F / 49°F · 313 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 1,043 mm of rain a year

November is the wettest month and June the driest. About 30 days a year bring 10 mm (0.4 in) or more. 33rd wettest of 35 Cornwall towns of 2,500+.

1,043 mm
Rain a year (41 in)
Wetter than 80% of UK towns
30
Days a year with 10 mm of rain or more
1,611 hrs
Sunshine a year at Camborne
12 miles away

Rain by month

Millimetres

129 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Camborne

208 h
JFMAMJJASOND
Frost & warm days

9 air frosts and 1 days of 25°C a year

On about 9 nights a year the air drops below freezing; days that stay below freezing are rare. About 1 days a year reach 25°C (77°F).

9
Air frosts a year (below 0°C)
Fewer frosts than almost every UK town
under 1
Days that stay below 0°C
1
Days of 25°C (77°F) or more
Fewer warm days than 96% 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 12 miles south-west of Perranporth, 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 Perranporth 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 afternoons18.9°C (66°F)
Cooler than 93% of UK towns32nd warmest of 35 Cornwall towns
January nights4.8°C (41°F)
Milder than almost every UK town8th mildest of 35 Cornwall towns
Rain a year1,043 mm (41 in)
Wetter than 80% of UK towns33rd wettest of 35 Cornwall towns
Air frosts a year9 nights
Fewer frosts than almost every UK town29th frostiest of 35 Cornwall towns
Days of 25°C or more1 days
Fewer warm days than 96% of UK towns28th most 25°C days of 35 Cornwall 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
Perranporth18.9°C4.8°C1,043 mm
St Agnes 3.2 mi18.9°C about the same4.5°C about the same1,045 mm
St Newlyn East 4.6 mi20.5°C 1.6°C warmer3.8°C 1.0°C colder1,062 mm
Mount Hawke 4.9 mi19.4°C 0.5°C warmer4.4°C about the same1,074 mm
Shortlanesend 5.2 mi19.9°C 1.0°C warmer3.6°C 1.2°C colder1,093 mm
Threemilestone 6.0 mi19.5°C 0.6°C warmer3.9°C 0.9°C colder1,192 mm
St Erme and Trispen 6.0 mi19.9°C 1.0°C warmer3.5°C 1.3°C colder1,117 mm
Month by month

Perranporth 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
January9.6°C 49°F4.8°C 41°F7.2°C111 mm 4.4 in
February9.4°C 49°F4.2°C 40°F6.8°C94 mm 3.7 in
March10.5°C 51°F5.0°C 41°F7.8°C72 mm 2.8 in
April12.5°C 55°F5.9°C 43°F9.2°C69 mm 2.7 in
May14.9°C 59°F8.2°C 47°F11.5°C60 mm 2.4 in
June17.3°C 63°F10.9°C 52°F14.1°C58 mm 2.3 in
July18.9°C 66°F12.7°C 55°F15.9°C69 mm 2.7 in
August19.1°C 66°F13.1°C 55°F16.1°C76 mm 3.0 in
September17.8°C 64°F11.6°C 53°F14.7°C74 mm 2.9 in
October15.0°C 59°F9.6°C 49°F12.3°C110 mm 4.3 in
November12.1°C 54°F7.0°C 45°F9.6°C129 mm 5.1 in
December10.1°C 50°F5.2°C 41°F7.7°C122 mm 4.8 in
Year13.9°C8.2°C11.1°C1,043 mm
Sources

Where Perranporth’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 Perranporth’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, 12 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 Perranporth’s climate

How warm does Perranporth get in summer?

August is the warmest month, with average highs of 19.1°C (66°F). About 1 days a year reach 25°C (77°F), fewer than 96% of UK towns.

How cold does Perranporth get in winter?

February nights average 4.2°C (40°F). The air drops below freezing on about 9 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Perranporth get?

About 1,043 mm (41 in) a year, more than 80% of UK towns. November is the wettest month (129 mm) and June the driest (58 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Camborne (12 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 Perranporth. 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 Perranporth →

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.