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Climate in Royston · Met Office 1991–2020 averages

Frosty mornings in Royston are scarcer than in 75% of UK towns

July afternoons average 21.3°C (70°F). It is a dry place: less rain falls here than on 72% of UK towns. Seasons differ by 20°C, from the coldest nights to the warmest afternoons. 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 54% of UK towns
Rain a year: drier than 72% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Royston at a glance

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

Jan7°C2°CColdest nights
Feb8°C2°C
Mar10°C3°C
Apr13°C5°C
May16°C7°C
Jun19°C10°C
Jul21°C12°CWarmest
Aug21°C12°C
Sep18°C10°C
Oct14°C7°C
Nov now10°C4°CWettest
Dec7°C2°C
A normal year

What a year in Royston feels like

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

Winter
7°C / 2°C
45°F / 35°F · 35 air frosts a year
Spring
13°C / 5°C
56°F / 41°F · 142 mm of rain
Summer
20°C / 12°C
69°F / 53°F · 189 mm of rain, the wettest season
Autumn
14°C / 7°C
57°F / 45°F · 184 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 676 mm of rain a year

November is the wettest month and March the driest. About 15 days a year bring 10 mm (0.4 in) or more. 27th wettest of 63 South Yorkshire towns of 2,500+.

676 mm
Rain a year (27 in)
Drier than 72% of UK towns
15
Days a year with 10 mm of rain or more
1,469 hrs
Sunshine a year at Sheffield
15 miles away

Rain by month

Millimetres

66 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Sheffield

194 h
JFMAMJJASOND
Frost & warm days

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

On about 35 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 10 days a year reach 25°C (77°F).

35
Air frosts a year (below 0°C)
Fewer frosts than 75% of UK towns
1
Days that stay below 0°C
10
Days of 25°C (77°F) or more
Fewer warm days than 52% 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 Sheffield

Sheffield is 15 miles south of Royston, 131 m (430 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.

MonthHighLowRainAir frostsSun (hours)
January7.0°C2.2°C76 mm7.249
February7.7°C2.2°C67 mm7.075
March10.1°C3.4°C60 mm3.6119
April13.1°C5.2°C59 mm1.1150
May16.4°C7.8°C55 mm0.1193
June19.2°C10.8°C78 mm0.0175
July21.3°C12.8°C62 mm0.0194
August20.8°C12.6°C65 mm0.0179
September17.8°C10.5°C63 mm0.0135
October13.7°C7.8°C79 mm0.495
November9.8°C4.8°C85 mm2.459
December7.3°C2.6°C87 mm6.548
Year13.7°C6.9°C834 mm281,469

Met Office historic station data, Sheffield, 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 Royston 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 South Yorkshire towns that size.

July afternoons21.3°C (70°F)
Cooler than 54% of UK towns37th warmest of 63 South Yorkshire towns
January nights1.8°C (35°F)
Milder than 54% of UK towns16th mildest of 63 South Yorkshire towns
Rain a year676 mm (27 in)
Drier than 72% of UK towns27th wettest of 63 South Yorkshire towns
Air frosts a year35 nights
Fewer frosts than 75% of UK towns59th frostiest of 63 South Yorkshire towns
Days of 25°C or more10 days
Fewer warm days than 52% of UK towns42nd most 25°C days of 63 South Yorkshire 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
Royston21.3°C1.8°C676 mm
Carlton 0.9 mi21.4°C about the same1.9°C about the same652 mm
Cudworth and Shafton 2.2 mi21.4°C about the same1.8°C about the same653 mm
Havercroft and Ryhill 2.4 mi21.2°C about the same1.6°C about the same652 mm
South Hiendley 2.6 mi21.2°C about the same1.7°C about the same654 mm
Darton 2.7 mi21.1°C about the same1.6°C about the same715 mm
Brierley 3.0 mi21.2°C about the same1.7°C about the same654 mm
Month by month

Royston 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
January7.1°C 45°F1.8°C 35°F4.5°C52 mm 2.0 in
February7.8°C 46°F1.9°C 35°F4.8°C47 mm 1.9 in
March10.1°C 50°F2.9°C 37°F6.5°C45 mm 1.8 in
April13.1°C 56°F4.6°C 40°F8.9°C49 mm 1.9 in
May16.1°C 61°F7.1°C 45°F11.7°C48 mm 1.9 in
June19.1°C 66°F10.1°C 50°F14.6°C65 mm 2.6 in
July21.3°C 70°F12.3°C 54°F16.8°C60 mm 2.4 in
August21.1°C 70°F12.1°C 54°F16.6°C64 mm 2.5 in
September18.1°C 65°F10.1°C 50°F14.1°C53 mm 2.1 in
October14.0°C 57°F7.3°C 45°F10.6°C65 mm 2.5 in
November10.0°C 50°F4.4°C 40°F7.2°C66 mm 2.6 in
December7.4°C 45°F2.1°C 36°F4.8°C62 mm 2.4 in
Year13.7°C6.4°C10.1°C676 mm
Sources

Where Royston’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 Royston’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 Sheffield, 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 Royston’s climate

How warm does Royston 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 52% of UK towns.

How cold does Royston get in winter?

January nights average 1.8°C (35°F). The air drops below freezing on about 35 nights a year, and about 1 days a year stay below freezing all day.

How much rain does Royston get?

About 676 mm (27 in) a year, less than 72% of UK towns. November is the wettest month (66 mm) and March the driest (45 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Sheffield (15 miles away), averages 1,469 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 Royston. 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 Royston →

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.