West Sussex, United Kingdom Weather
- West Sussex, United Kingdom Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in West Sussex over the next 12 hours
- Temperature and possibility of rain in West Sussex in the coming days
- Rainfall in West Sussex in the coming days
- West Sussex Weather Summary
- Weather averages by month
- West Sussex's weather
- Frequently asked questions
- Comments
Current conditions
Updated:
Clear Sky
17°C
°C
°F
Condition: Clear Sky
Pressure: 1,022 hPa
Feel like: 19 °C
Temperature: 17°C
Cloud: 2%
Humidity: 89%
Wind: NE - 5 km/h
Visibility: 21.12 km
Tue
23 Jun
21°C / 35°C
Slight Thunderstorm
Wed
24 Jun
21°C / 35°C
Slight Thunderstorm
Thu
25 Jun
18°C / 25°C
Moderate Drizzle
Fri
26 Jun
17°C / 23°C
Moderate Drizzle
Sat
27 Jun
16°C / 22°C
Partly Cloudy
Hourly forecast today:
00:00 AM
16° / 17°
16° / 17°
Clear Sky
89%
13 km/h
01:00 AM
15° / 16°
15° / 16°
Clear Sky
95%
11 km/h
02:00 AM
15° / 15°
15° / 15°
Clear Sky
98%
10 km/h
03:00 AM
15° / 15°
15° / 15°
Clear Sky
97%
12 km/h
04:00 AM
14° / 15°
14° / 15°
Clear Sky
97%
12 km/h
05:00 AM
15° / 16°
15° / 16°
Clear Sky
94%
10 km/h
06:00 AM
16° / 18°
16° / 18°
Clear Sky
88%
15 km/h
07:00 AM
17° / 20°
17° / 20°
Clear Sky
84%
16 km/h
08:00 AM
19° / 23°
19° / 23°
Clear Sky
78%
21 km/h
09:00 AM
20° / 25°
20° / 25°
Clear Sky
73%
21 km/h
10:00 AM
20° / 27°
20° / 27°
Clear Sky
67%
23 km/h
30 Day Averages and Extremes
- Average high 20.4°C
- Average low 12.67°C
- Hottest day 35°C (23 June 2026)
- Coldest day 0°C (04 July 2026)
- Average humidity 72.17%
- Days with precipitation 20 days
- Highest precipitation 64 mm (07 June 2026)
Yesterday's Data
- Max: 32°C
- Min: 15°C
- Total Precipitation: 0 mm
Temperature and possibility of rain in West Sussex over the next 12 hours
Temperature and possibility of rain in West Sussex in the coming days
Rainfall in West Sussex in the coming days
West Sussex Climate Summary
West Sussex features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.97ºC (53.55ºF), which is about 1.22% higher than the national average for United Kingdom. Annually, the city experiences approximately 83.5 millimeters (3.29 inches) of rainfall, spread across 157.83 rainy days, accounting for 43.24% of the year.
| Longitude | 50.9280143 |
| Latitude | -0.4617075 |
| Yearly high temperature | 13.61ºC (56.5ºF) |
| Yearly low temperature | 8.78ºC (47.8ºF) |
| Hottest month | July 19.96ºC (67.93ºF) |
| Coldest month | January 4.13ºC (39.43ºF) |
| Yearly precip | 83.5mm (3.29in) |
| Days with rainfall | 157.83 days (43.24%) |
| Driest month | April (80.14%) |
| Wettest month | October (81.09%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 7.72° / 4.13° | 15.82 days |
| February | 7.78° / 4.13° | 14.09 days |
| March | 9.86° / 5.03° | 10.91 days |
| April | 12.42° / 6.56° | 9.73 days |
| May | 14.81° / 8.96° | 11.64 days |
| June | 17.59° / 11.6° | 12.18 days |
| July | 19.96° / 13.87° | 12.91 days |
| August | 19.84° / 14.32° | 12.91 days |
| September | 18.22° / 12.87° | 11.18 days |
| October | 15.01° / 10.65° | 14.73 days |
| November | 11.19° / 7.58° | 16.55 days |
| December | 8.92° / 5.6° | 15.18 days |
West Sussex's weather
- London
- Birmingham
- Liverpool
- Sheffield
- Leeds
- Glasgow City
- Manchester
- Leicester
- Bradford
- City of Bristol
- City of Edinburgh
- Cardiff
- Cornwall
- Ards and North Down
- Buckinghamshire
- Camden
- Cheshire East
- Clackmannanshire
- Central Bedfordshire
- Carmarthenshire
- Akrotiri
- Bath and North East Somerset
- Blackpool
- Denbighshire
- Solihull
- South Ayrshire
- Kirklees
- Inverclyde
- Knowsley
- Halton
- North Somerset
- Luton
- Neath Port Talbot
- Nottingham
- Rotherham
- Hillingdon
- Nottinghamshire
- Hammersmith and Fulham
- Hackney
- Hounslow
- Lewisham
- Durham County
- Haringey
- Derbyshire
- Darlington
- Hartlepool
- Greenwich
- Isle of Wight
- Northumberland
- Dumfries and Galloway
- Harrow
- Dhekelia
- Essex
- Northamptonshire
- Derry City and Strabane
- Medway
- Renfrewshire
- East Riding of Yorkshire
- Salford
- Falkirk
- Hertfordshire
- Isles of Scilly
- Herefordshire
- Kingston upon Hull
- Lancashire
- Doncaster
- Gwynedd
- East Lothian
- Lisburn and Castlereagh
- Merthyr Tydfil
- Portsmouth
- Mid and East Antrim
- Middlesbrough
- Monmouthshire
- Newport
- Newham
- Norfolk
- North Tyneside
- Orkney Islands
- Reading
- Redcar and Cleveland
- Rochdale
- Moray
- Perth and Kinross
- Leicestershire
- Slough
- Rutland
- Shropshire
- East Dunbartonshire
- South Gloucestershire
- Sefton
- Dorset
- York
- Suffolk
- Telford and Wrekin
- Wiltshire
- South Tyneside
- Wirral
- Westminster
- Warrington
- Wakefield
- Tameside
- Stoke-on-Trent
- Sunderland
- Sutton
- Stirling
- Swansea
- Swindon
- Torbay
- Warwickshire
- West Berkshire
- Stockport
- Wokingham
- Trafford
- Worcestershire
- Waltham Forest
- North East Lincolnshire
- Scottish Borders
- Bromley
- Wolverhampton
- Somerset
- Aberdeen City
- Southampton
- Barking and Dagenham
- Brighton and Hove
- Dudley
- Conwy
- Cheshire West and Chester
- Hampshire
- Kent
- Newry, Mourne and Down
- Milton Keynes
- North Ayrshire
- Rhondda, Cynon, Taf
- Southend-on-Sea
- Stockton-on-Tees
- West Lothian
- Southwark
- Staffordshire
- Vale of Glamorgan
- Sandwell
- Shetland Islands
- Barnsley
- Dundee City
- Newcastle upon Tyne
- Armagh City, Banbridge and Craigavon
- Torfaen
- Antrim and Newtownabbey
- Oxfordshire
- West Dunbartonshire
- East Ayrshire
- Oldham
- Gateshead
- Blaenau Gwent
- Devon
- Thurrock
- Fife
- Walsall
- Bournemouth
- Bury
- Tower Hamlets
- Powys
- Caerphilly
- Croydon
- Aberdeenshire
- East Sussex
- Cumbria
- Derby
- Ealing
- St. Helens
- East Renfrewshire
- Wandsworth
- Enfield
- Bridgend
- Wigan
- Fermanagh and Omagh
- Havering
- Isle of Anglesey
- Islington
- Lambeth
- Angus
- Peterborough
- Bracknell Forest
- Lincolnshire
- Kingston upon Thames
- Merton
- Wrexham
- Mid Ulster
- Midlothian
- Na h-Eileanan an Iar
- Bedford
- Plymouth
- North Lincolnshire
- Highland
- Poole
- Redbridge
- Richmond upon Thames
- Flintshire
- North Yorkshire
- North Lanarkshire
- Pembrokeshire
- Bolton
- South Lanarkshire
- Gloucestershire
- Kensington and Chelsea
- Surrey
- Windsor and Maidenhead
- Argyll and Bute
- Belfast
- Brent
- Cambridgeshire
- Causeway Coast and Glens
- Ceredigion
- Barnet
- Coventry
- Blackburn with Darwen
- Calderdale
- Bexley
Frequently asked questions
1. What is the hottest month in West Sussex?
July has the highest average monthly temperature (daily mean of 19.96ºC) and January are the coolest (daily mean of 4.13ºC).
2. What should I wear in West Sussex today?
For today's very hot weather in West Sussex, with the high temperatures above 31ºC (87.8ºF), consider wearing:
- Airy sandals or flip-flops
- Light, natural fabrics (like cotton or linen)
- Ultra-thin, breathable socks
- Sleeveless tops or vests
Temperature
Early
15°C / 15°C
Morning
20°C / 25°C
Afternoon
19°C / 31°C
Evening
17°C / 24°C
Air quality
Good
Satisfactory air quality, minimal pollution, low risk
- CO2 453
- CO 114
- NH3 1
- NO2 7
- O3 58
- PM10 8
- PM25 5
- SO2 0
- CH4 1,401
Sunrise / Sunset
03:48
20:20