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Climate in Compton · Met Office 1991–2020 averages

Compton gets more frosts than 83% of UK towns

High summer brings afternoon highs near 22.4°C (72°F). About 17 days a year reach 25°C, more than in 80% of UK towns. Winter and summer sit 20°C apart. For walks and days out, the stretch from June to September brings highs of 19–22°C.

July afternoons: warmer than 75% of UK towns
January nights: milder than 71% of UK towns
Rain a year: wetter than 67% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Compton at a glance

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

Jan9°C2°C
Feb9°C2°CColdest nights
Mar11°C3°C
Apr15°C5°C
May18°C8°C
Jun20°C10°C
Jul22°C12°CWarmest
Aug22°C12°C
Sep19°C10°C
Oct15°C8°C
Nov now11°C5°CWettest
Dec9°C2°C
A normal year

What a year in Compton feels like

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

Winter
9°C / 2°C
48°F / 36°F · 49 air frosts a year
Spring
15°C / 5°C
58°F / 42°F · 171 mm of rain
Summer
22°C / 12°C
71°F / 53°F · 17 days of 25°C+ a year
Autumn
15°C / 7°C
60°F / 45°F · 270 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 880 mm of rain a year

November is the wettest month and May the driest. About 28 days a year bring 10 mm (0.4 in) or more.

880 mm
Rain a year (35 in)
Wetter than 67% of UK towns
28
Days a year with 10 mm of rain or more
1,690 hrs
Sunshine a year at Hurn (Bournemouth Airport)
27 miles away

Rain by month

Millimetres

107 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Hurn (Bournemouth Airport)

221 h
JFMAMJJASOND
Frost & warm days

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

On about 49 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 17 days a year reach 25°C (77°F).

49
Air frosts a year (below 0°C)
More frosts than 83% of UK towns
under 1
Days that stay below 0°C
17
Days of 25°C (77°F) or more
More warm days than 80% 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 Hurn (Bournemouth Airport)

Hurn (Bournemouth Airport) is 27 miles south-west of Compton, 10 m (33 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)
January8.8°C1.8°C96 mm11.165
February9.1°C1.6°C67 mm10.980
March11.4°C2.8°C62 mm8.3122
April14.2°C4.3°C58 mm4.7178
May17.4°C7.3°C49 mm0.6211
June20.1°C10.2°C54 mm0.0217
July22.3°C12.2°C50 mm0.0221
August22.0°C12.0°C60 mm0.0198
September19.6°C9.6°C69 mm0.0156
October15.6°C7.4°C101 mm2.2108
November11.8°C4.1°C108 mm6.976
December9.2°C2.0°C104 mm11.659
Year15.1°C6.3°C877 mm561,690

Met Office historic station data, Hurn, 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 Compton 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 Hampshire towns that size.

July afternoons22.4°C (72°F)
Warmer than 75% of UK towns
January nights2.1°C (36°F)
Milder than 71% of UK towns
Rain a year880 mm (35 in)
Wetter than 67% of UK towns
Air frosts a year49 nights
More frosts than 83% of UK towns
Days of 25°C or more17 days
More warm days than 80% 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
Compton22.4°C2.1°C880 mm
Otterbourne 0.5 mi22.4°C about the same2.1°C about the same880 mm
Twyford 1.2 mi22.4°C about the same1.9°C about the same928 mm
Colden Common 1.7 mi22.5°C about the same2.0°C about the same902 mm
Chandler's Ford 2.9 mi22.7°C about the same2.3°C about the same872 mm
Eastleigh 3.1 mi22.7°C about the same2.5°C about the same853 mm
Winchester 3.4 mi23.2°C 0.8°C warmer1.9°C about the same868 mm
Month by month

Compton 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
January8.5°C 47°F2.1°C 36°F5.3°C96 mm 3.8 in
February8.9°C 48°F2.0°C 36°F5.5°C68 mm 2.7 in
March11.5°C 53°F3.3°C 38°F7.4°C60 mm 2.4 in
April14.5°C 58°F4.9°C 41°F9.7°C59 mm 2.3 in
May17.7°C 64°F7.7°C 46°F12.7°C52 mm 2.0 in
June20.3°C 69°F10.3°C 51°F15.3°C57 mm 2.3 in
July22.4°C 72°F12.1°C 54°F17.3°C56 mm 2.2 in
August22.1°C 72°F12.3°C 54°F17.2°C65 mm 2.5 in
September19.5°C 67°F10.1°C 50°F14.8°C64 mm 2.5 in
October15.5°C 60°F7.6°C 46°F11.5°C99 mm 3.9 in
November11.4°C 53°F4.5°C 40°F8.0°C107 mm 4.2 in
December8.9°C 48°F2.4°C 36°F5.7°C97 mm 3.8 in
Year15.1°C6.6°C10.8°C880 mm
Sources

Where Compton’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 Compton’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 Hurn, 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 Compton’s climate

How warm does Compton get in summer?

July is the warmest month, with average highs of 22.4°C (72°F). About 17 days a year reach 25°C (77°F), more than 80% of UK towns.

How cold does Compton get in winter?

February nights average 2.0°C (36°F). The air drops below freezing on about 49 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Compton get?

About 880 mm (35 in) a year, more than 67% of UK towns. November is the wettest month (107 mm) and May the driest (52 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Hurn (Bournemouth Airport) (27 miles away), averages 1,690 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 Compton. 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 Compton →

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.