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Climate in Southgate · Met Office 1991–2020 averages

Few UK towns get fewer frosts than Southgate

Expect July afternoons of about 20.8°C (69°F). By rainfall alone, it ranks wetter than 88% of UK towns. Rain peaks in November and eases off in April. Plan time outside from June to September, when highs sit at 19–21°C.

July afternoons: cooler than 63% of UK towns
January nights: milder than 97% of UK towns
Rain a year: wetter than 88% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Southgate at a glance

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

Jan9°C4°C
Feb9°C3°CColdest nights
Mar11°C4°C
Apr14°C6°C
May17°C8°C
Jun19°C11°C
Jul21°C13°CWarmest
Aug21°C13°C
Sep19°C11°C
Oct15°C9°C
Nov now12°C6°CWettest
Dec9°C4°C
A normal year

What a year in Southgate feels like

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

Winter
9°C / 4°C
48°F / 38°F · 15 air frosts a year
Spring
14°C / 6°C
57°F / 43°F · 220 mm of rain
Summer
20°C / 12°C
68°F / 54°F · 4 days of 25°C+ a year
Autumn
15°C / 9°C
60°F / 48°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 1,168 mm of rain a year

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

1,168 mm
Rain a year (46 in)
Wetter than 88% of UK towns
37
Days a year with 10 mm of rain or more

Rain by month

Millimetres

137 mm
JFMAMJJASOND
Frost & warm days

15 air frosts and 4 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 4 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
4
Days of 25°C (77°F) or more
Fewer warm days than 83% 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 Chivenor

Chivenor is 34 miles south of Southgate, 6 m (20 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 frosts
January9.1°C3.6°C91 mm5.4
February9.4°C3.4°C70 mm5.0
March11.2°C4.5°C60 mm2.6
April13.7°C5.9°C56 mm0.9
May16.5°C8.6°C55 mm0.0
June19.0°C11.4°C68 mm0.0
July20.7°C13.3°C74 mm0.0
August20.5°C13.4°C77 mm0.0
September18.8°C11.5°C70 mm0.0
October15.4°C9.1°C107 mm0.4
November12.1°C6.2°C106 mm1.8
December9.9°C4.3°C107 mm4.6
Year14.7°C7.9°C941 mm21

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

Compared with other towns

How Southgate 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 West Glamorgan towns that size.

July afternoons20.8°C (69°F)
Cooler than 63% of UK towns
January nights3.5°C (38°F)
Milder than 97% of UK towns
Rain a year1,168 mm (46 in)
Wetter than 88% of UK towns
Air frosts a year15 nights
Fewer frosts than 98% of UK towns
Days of 25°C or more4 days
Fewer warm days than 83% 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
Southgate20.8°C3.5°C1,168 mm
Bishopston 2.1 mi20.6°C about the same3.4°C about the same1,073 mm
Three Crosses 3.9 mi21.0°C about the same2.7°C 0.8°C colder1,341 mm
Dunvant 4.3 mi21.0°C about the same3.0°C 0.6°C colder1,340 mm
Pen-clawdd 4.7 mi21.0°C about the same2.9°C 0.6°C colder1,332 mm
Gowerton 5.4 mi21.0°C about the same3.0°C 0.5°C colder1,345 mm
Loughor 6.3 mi21.0°C about the same3.0°C 0.6°C colder1,267 mm
Month by month

Southgate 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
January8.9°C 48°F3.5°C 38°F6.2°C118 mm 4.6 in
February9.0°C 48°F3.2°C 38°F6.1°C88 mm 3.4 in
March11.0°C 52°F4.2°C 39°F7.6°C82 mm 3.2 in
April13.8°C 57°F5.7°C 42°F9.7°C69 mm 2.7 in
May16.8°C 62°F8.3°C 47°F12.5°C70 mm 2.7 in
June19.2°C 67°F11.0°C 52°F15.1°C74 mm 2.9 in
July20.8°C 69°F12.8°C 55°F16.8°C84 mm 3.3 in
August20.7°C 69°F12.9°C 55°F16.8°C97 mm 3.8 in
September18.7°C 66°F11.2°C 52°F14.9°C89 mm 3.5 in
October15.3°C 60°F8.8°C 48°F12.0°C130 mm 5.1 in
November11.9°C 53°F6.0°C 43°F8.9°C137 mm 5.4 in
December9.4°C 49°F3.9°C 39°F6.6°C132 mm 5.2 in
Year14.6°C7.6°C11.1°C1,168 mm
Sources

Where Southgate’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 Southgate’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 Chivenor, 34 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 Southgate’s climate

How warm does Southgate get in summer?

July is the warmest month, with average highs of 20.8°C (69°F). About 4 days a year reach 25°C (77°F), fewer than 83% of UK towns.

How cold does Southgate get in winter?

February nights average 3.2°C (38°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 Southgate get?

About 1,168 mm (46 in) a year, more than 88% of UK towns. November is the wettest month (137 mm) and April the driest (69 mm).

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 Southgate. 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 Southgate →

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.