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Climate in Winsham · Met Office 1991–2020 averages

Winsham has milder winter nights than 88% of UK towns

On a normal July day the thermometer tops out near 21.3°C (70°F). A year here swings 19°C from midwinter lows to midsummer highs. Rain is plentiful here, more than falls on 85% of UK towns. Homes need heating from November to April, the months averaging under 10°C.

July afternoons: cooler than 54% of UK towns
January nights: milder than 88% of UK towns
Rain a year: wetter than 85% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Winsham at a glance

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

Jan8°C3°C
Feb8°C2°CColdest nights
Mar11°C3°C
Apr13°C5°C
May17°C7°C
Jun19°C10°C
Jul21°C12°CWarmest
Aug21°C12°C
Sep19°C10°C
Oct15°C8°C
Nov now11°C5°CWettest
Dec9°C2°C
A normal year

What a year in Winsham feels like

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

Winter
9°C / 2°C
47°F / 36°F · 33 air frosts a year
Spring
14°C / 5°C
56°F / 41°F · 230 mm of rain
Summer
21°C / 11°C
69°F / 53°F · 10 days of 25°C+ a year
Autumn
15°C / 7°C
59°F / 45°F · 343 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 1,116 mm of rain a year

November is the wettest month and July the driest. About 34 days a year bring 10 mm (0.4 in) or more.

1,116 mm
Rain a year (44 in)
Wetter than 85% of UK towns
34
Days a year with 10 mm of rain or more
1,524 hrs
Sunshine a year at Yeovilton
15 miles away

Rain by month

Millimetres

133 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Yeovilton

192 h
JFMAMJJASOND
Frost & warm days

33 air frosts and 10 days of 25°C a year

On about 33 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 10 days a year reach 25°C (77°F).

33
Air frosts a year (below 0°C)
Fewer frosts than 80% of UK towns
under 1
Days that stay below 0°C
10
Days of 25°C (77°F) or more
Fewer warm days than 51% 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 Yeovilton

Yeovilton is 15 miles north-east of Winsham, 20 m (66 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.

MonthHighLowRainAir frostsSun (hours)
January8.6°C2.0°C70 mm10.058
February9.0°C1.8°C51 mm9.777
March11.2°C3.0°C49 mm7.6114
April13.9°C4.5°C52 mm3.8163
May17.1°C7.4°C47 mm0.5191
June19.9°C10.3°C58 mm0.0188
July21.9°C12.2°C50 mm0.0192
August21.6°C12.2°C61 mm0.0175
September19.2°C10.0°C53 mm0.0142
October15.3°C7.6°C81 mm1.8104
November11.5°C4.4°C80 mm5.569
December9.0°C2.3°C77 mm10.352
Year14.9°C6.5°C728 mm491,524

Met Office historic station data, Yeovilton, 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 Winsham 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 Somerset towns that size.

July afternoons21.3°C (70°F)
Cooler than 54% of UK towns
January nights2.6°C (37°F)
Milder than 88% of UK towns
Rain a year1,116 mm (44 in)
Wetter than 85% of UK towns
Air frosts a year33 nights
Fewer frosts than 80% of UK towns
Days of 25°C or more10 days
Fewer warm days than 51% 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
Winsham21.3°C2.6°C1,116 mm
Tatworth 2.6 mi21.4°C about the same2.6°C about the same1,093 mm
Chard 3.2 mi21.4°C about the same2.6°C about the same1,096 mm
Crewkerne 4.7 mi21.6°C about the same2.9°C about the same982 mm
Ilminster 5.1 mi21.7°C about the same2.9°C about the same888 mm
Misterton 5.5 mi21.6°C about the same2.7°C about the same989 mm
Merriott 5.8 mi21.8°C about the same3.0°C about the same941 mm
Month by month

Winsham 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
January8.4°C 47°F2.6°C 37°F5.4°C111 mm 4.4 in
February8.4°C 47°F2.0°C 36°F5.2°C88 mm 3.5 in
March10.6°C 51°F3.1°C 38°F6.9°C82 mm 3.2 in
April13.5°C 56°F4.7°C 40°F9.0°C78 mm 3.1 in
May16.5°C 62°F7.3°C 45°F12.0°C70 mm 2.7 in
June19.2°C 67°F10.1°C 50°F14.6°C70 mm 2.7 in
July21.3°C 70°F12.1°C 54°F16.7°C64 mm 2.5 in
August21.0°C 70°F12.2°C 54°F16.6°C88 mm 3.5 in
September18.6°C 65°F10.2°C 50°F14.5°C80 mm 3.2 in
October14.7°C 59°F7.8°C 46°F11.3°C129 mm 5.1 in
November11.2°C 52°F4.5°C 40°F7.9°C133 mm 5.2 in
December8.7°C 48°F2.3°C 36°F5.6°C123 mm 4.8 in
Year14.3°C6.6°C10.5°C1,116 mm
Sources

Where Winsham’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 Winsham’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 Yeovilton, 15 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 Winsham’s climate

How warm does Winsham get in summer?

July is the warmest month, with average highs of 21.3°C (70°F). About 10 days a year reach 25°C (77°F), fewer than 51% of UK towns.

How cold does Winsham get in winter?

February nights average 2.0°C (36°F). The air drops below freezing on about 33 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Winsham get?

About 1,116 mm (44 in) a year, more than 85% of UK towns. November is the wettest month (133 mm) and July the driest (64 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Yeovilton (15 miles away), averages 1,524 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 Winsham. 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 Winsham →

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.