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Climate in West Itchenor · Met Office 1991–2020 averages

Winter nights in West Itchenor are milder than in 92% of UK towns

Midsummer highs settle at about 22.0°C (72°F). Only 19°C separates winter nights from summer afternoons. Its July heat outdoes that of 66% of UK towns. Expect about 29 frosty starts a year, nights when the air falls below freezing.

July afternoons: warmer than 66% of UK towns
January nights: milder than 92% of UK towns
Rain a year: drier than 53% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in West Itchenor at a glance

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

Jan9°C3°C
Feb9°C3°CColdest nights
Mar11°C4°C
Apr14°C6°C
May17°C9°C
Jun20°C11°C
Jul22°C14°CWarmest
Aug22°C14°C
Sep20°C11°C
Oct16°C9°C
Nov now12°C6°CWettest
Dec9°C3°C
A normal year

What a year in West Itchenor feels like

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

Winter
9°C / 3°C
48°F / 37°F · 29 air frosts a year
Spring
14°C / 6°C
57°F / 43°F · 140 mm of rain
Summer
21°C / 13°C
70°F / 55°F · 10 days of 25°C+ a year
Autumn
16°C / 9°C
61°F / 48°F · 237 mm of rain, the wettest season
Best months to be outsideMayJunJulAugSepHighs of 17–27°C (63–81°F) and nights of 8°C (46°F) or more
Rain

About 760 mm of rain a year

November is the wettest month and May the driest. About 22 days a year bring 10 mm (0.4 in) or more.

760 mm
Rain a year (30 in)
Drier than 53% of UK towns
22
Days a year with 10 mm of rain or more
1,690 hrs
Sunshine a year at Hurn (Bournemouth Airport)
43 miles away

Rain by month

Millimetres

92 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Hurn (Bournemouth Airport)

221 h
JFMAMJJASOND
Frost & warm days

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

On about 29 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).

29
Air frosts a year (below 0°C)
Fewer frosts than 86% of UK towns
under 1
Days that stay below 0°C
10
Days of 25°C (77°F) or more
Fewer warm days than 54% 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 43 miles west of West Itchenor, 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 West Itchenor 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 Sussex towns that size.

July afternoons22.0°C (72°F)
Warmer than 66% of UK towns
January nights2.9°C (37°F)
Milder than 92% of UK towns
Rain a year760 mm (30 in)
Drier than 53% of UK towns
Air frosts a year29 nights
Fewer frosts than 86% of UK towns
Days of 25°C or more10 days
Fewer warm days than 54% 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
West Itchenor22.0°C2.9°C760 mm
East Wittering 2.2 mi21.9°C about the same3.4°C about the same731 mm
Bosham 2.5 mi22.0°C about the same2.6°C about the same826 mm
West Thorney 3.0 mi22.2°C about the same2.9°C about the same795 mm
Hambrook and Nutbourne 3.5 mi22.0°C about the same2.5°C about the same828 mm
Fishbourne 3.7 mi22.0°C about the same2.4°C 0.5°C colder828 mm
Hunston 3.9 mi21.9°C about the same2.7°C about the same750 mm
Month by month

West Itchenor 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°F2.9°C 37°F5.7°C86 mm 3.4 in
February8.9°C 48°F2.8°C 37°F5.8°C57 mm 2.3 in
March11.2°C 52°F4.1°C 39°F7.6°C48 mm 1.9 in
April14.0°C 57°F5.7°C 42°F9.9°C49 mm 1.9 in
May17.2°C 63°F8.6°C 47°F12.9°C42 mm 1.7 in
June19.9°C 68°F11.4°C 53°F15.7°C49 mm 1.9 in
July22.0°C 72°F13.5°C 56°F17.8°C44 mm 1.7 in
August22.0°C 72°F13.5°C 56°F17.8°C57 mm 2.2 in
September19.7°C 67°F11.5°C 53°F15.6°C59 mm 2.3 in
October15.9°C 61°F8.9°C 48°F12.4°C86 mm 3.4 in
November11.9°C 53°F5.7°C 42°F8.8°C92 mm 3.6 in
December9.3°C 49°F3.5°C 38°F6.3°C91 mm 3.6 in
Year15.0°C7.7°C11.3°C760 mm
Sources

Where West Itchenor’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 West Itchenor’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 Hurn, 43 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 West Itchenor’s climate

How warm does West Itchenor get in summer?

July is the warmest month, with average highs of 22.0°C (72°F). About 10 days a year reach 25°C (77°F), fewer than 54% of UK towns.

How cold does West Itchenor get in winter?

February nights average 2.8°C (37°F). The air drops below freezing on about 29 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does West Itchenor get?

About 760 mm (30 in) a year, less than 53% of UK towns. November is the wettest month (92 mm) and May the driest (42 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Hurn (Bournemouth Airport) (43 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 West Itchenor. 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 West Itchenor →

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.