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Climate in Thurston · Met Office 1991–2020 averages

Thurston gets more days of 25 degrees or more than 87% of UK towns

January mornings start at about 1.6°C (35°F). Seasons differ by 21°C, from the coldest nights to the warmest afternoons. It is a dry place: less rain falls here than on 87% of UK towns. Plan time outside from June to September, when highs sit at 19–23°C.

July afternoons: warmer than 80% of UK towns
January nights: colder than 58% of UK towns
Rain a year: drier than 87% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Thurston at a glance

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

Jan7°C2°C
Feb8°C1°CColdest nights
Mar11°C3°C
Apr14°C4°C
May17°C7°C
Jun20°C10°C
Jul23°C12°CWarmest
Aug22°C12°CWettest
Sep19°C10°C
Oct15°C8°C
Nov now10°C4°C
Dec8°C2°C
A normal year

What a year in Thurston feels like

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

Winter
8°C / 2°C
46°F / 35°F · 43 air frosts a year
Spring
14°C / 5°C
57°F / 41°F · 124 mm of rain
Summer
22°C / 12°C
71°F / 53°F · 177 mm of rain, the wettest season
Autumn
15°C / 7°C
59°F / 45°F · 172 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 627 mm of rain a year

August is the wettest month and April the driest. About 13 days a year bring 10 mm (0.4 in) or more. 12th wettest of 35 Suffolk towns of 2,500+.

627 mm
Rain a year (25 in)
Drier than 87% of UK towns
13
Days a year with 10 mm of rain or more

Rain by month

Millimetres

64 mm
JFMAMJJASOND
Frost & warm days

43 air frosts and 19 days of 25°C a year

On about 43 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 19 days a year reach 25°C (77°F).

43
Air frosts a year (below 0°C)
More frosts than 56% of UK towns
under 1
Days that stay below 0°C
19
Days of 25°C (77°F) or more
More warm days than 87% 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 Cambridge NIAB

Cambridge NIAB is 30 miles west of Thurston, 26 m (85 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
January7.7°C1.9°C49 mm9.0
February8.3°C1.8°C36 mm8.7
March11.0°C3.1°C33 mm5.2
April14.1°C4.7°C38 mm2.6
May17.4°C7.4°C43 mm0.6
June20.4°C10.5°C49 mm0.0
July23.1°C12.6°C48 mm0.0
August22.9°C12.6°C56 mm0.0
September19.6°C10.5°C51 mm0.0
October15.1°C7.9°C59 mm0.7
November10.7°C4.5°C53 mm3.7
December8.0°C2.2°C50 mm9.2
Year14.9°C6.6°C563 mm40

Met Office historic station data, Cambridge NIAB, 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 Thurston 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 Suffolk towns that size.

July afternoons22.6°C (73°F)
Warmer than 80% of UK towns23rd warmest of 35 Suffolk towns
January nights1.6°C (35°F)
Colder than 58% of UK towns23rd mildest of 35 Suffolk towns
Rain a year627 mm (25 in)
Drier than 87% of UK towns12th wettest of 35 Suffolk towns
Air frosts a year43 nights
More frosts than 56% of UK towns8th frostiest of 35 Suffolk towns
Days of 25°C or more19 days
More warm days than 87% of UK towns13th most 25°C days of 35 Suffolk 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
Thurston22.6°C1.6°C627 mm
Great Barton 2.0 mi22.9°C about the same1.6°C about the same610 mm
Ixworth 3.4 mi22.6°C about the same1.7°C about the same619 mm
Woolpit 4.0 mi22.5°C about the same1.5°C about the same618 mm
Bury St Edmunds 4.1 mi22.8°C about the same1.8°C about the same610 mm
Elmswell 4.6 mi22.5°C about the same1.5°C about the same630 mm
Stanton 6.0 mi22.5°C about the same1.6°C about the same629 mm
Month by month

Thurston 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
January7.3°C 45°F1.6°C 35°F4.5°C50 mm 2.0 in
February7.9°C 46°F1.4°C 35°F4.7°C44 mm 1.7 in
March10.5°C 51°F2.8°C 37°F6.7°C40 mm 1.6 in
April13.7°C 57°F4.3°C 40°F9.0°C36 mm 1.4 in
May17.0°C 63°F7.2°C 45°F12.1°C49 mm 1.9 in
June20.0°C 68°F10.1°C 50°F15.1°C56 mm 2.2 in
July22.6°C 73°F12.3°C 54°F17.4°C57 mm 2.2 in
August22.4°C 72°F12.4°C 54°F17.4°C64 mm 2.5 in
September19.3°C 67°F10.3°C 50°F14.8°C50 mm 1.9 in
October14.8°C 59°F7.6°C 46°F11.2°C60 mm 2.4 in
November10.4°C 51°F4.2°C 40°F7.3°C62 mm 2.4 in
December7.6°C 46°F2.0°C 36°F4.8°C59 mm 2.3 in
Year14.5°C6.4°C10.4°C627 mm
Sources

Where Thurston’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 Thurston’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 Cambridge NIAB, 30 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 Thurston’s climate

How warm does Thurston get in summer?

July is the warmest month, with average highs of 22.6°C (73°F). About 19 days a year reach 25°C (77°F), more than 87% of UK towns.

How cold does Thurston get in winter?

February nights average 1.4°C (35°F). The air drops below freezing on about 43 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Thurston get?

About 627 mm (25 in) a year, less than 87% of UK towns. August is the wettest month (64 mm) and April the driest (36 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 Thurston. 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 Thurston →

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.