West Sussex, United Kingdom Weather

  1. West Sussex, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in West Sussex over the next 12 hours
  7. Temperature and possibility of rain in West Sussex in the coming days
  8. Rainfall in West Sussex in the coming days
  9. West Sussex Weather Summary
  10. Weather averages by month
  11. West Sussex's weather
  12. Frequently asked questions
  13. Comments
West Sussex, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
8°C
46.4°F
°C °F

Condition: Overcast

Pressure: 1,013 hPa

Feel like: 4 °C

Temperature: 8°C

Cloud: 98%

Humidity: 77%

Wind: SW - 22 km/h

Visibility: 23.58 km

Weather forecast

Fri
13 Mar
3°C / 11°C
Slight Rain
Sat
14 Mar
0°C / 10°C
Drizzle
Sun
15 Mar
0°C / 10°C
Drizzle
Mon
16 Mar
5°C / 10°C
Drizzle
Tue
17 Mar
1°C / 11°C
Overcast
Hourly forecast today:
04:00 AM
4° / 8°
4° / 8°
Overcast
77% 41 km/h
05:00 AM
4° / 8°
4° / 8°
Overcast
76% 45 km/h
06:00 AM
4° / 8°
4° / 8°
Overcast
76% 48 km/h
07:00 AM
5° / 8°
5° / 8°
Drizzle
82% 50 km/h
08:00 AM
6° / 8°
6° / 8°
Drizzle
83% 54 km/h
09:00 AM
6° / 9°
6° / 9°
Drizzle
83% 57 km/h
10:00 AM
6° / 9°
6° / 9°
Drizzle
84% 59 km/h
11:00 AM
6° / 9°
6° / 9°
Drizzle
86% 59 km/h
12:00 PM
7° / 9°
7° / 9°
Drizzle
88% 60 km/h
13:00 PM
7° / 9°
7° / 9°
Drizzle Dense Intensity
89% 61 km/h
14:00 PM
7° / 9°
7° / 9°
Drizzle Dense Intensity
90% 63 km/h

30 Day Averages and Extremes

  • Average high 11.07°C
  • Average low 4.63°C
  • Hottest day 16°C (03 March 2026)
  • Coldest day 0°C (14 March 2026)
  • Average humidity 79.6%
  • Days with precipitation 24 days
  • Highest precipitation 59 mm (27 February 2026)

Yesterday's Data

  • Max: 11°C
  • Min: 5°C
  • Total Precipitation: 7 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

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 cool weather in West Sussex, with temperatures between 7ºC to 10ºC (44.6ºF to 50.0ºF), you should consider wearing:
- Comfortable pants or jeans
- Thin gloves (optional for early mornings or late evenings)
- Light scarf or wrap
- Knit hat (optional for cooler mornings)

Temperature

Early
4°C / 8°C
Morning
6°C / 9°C
Afternoon
8°C / 9°C
Evening
9°C / 10°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 445
  • CO 154
  • NH3 1
  • NO2 3
  • O3 81
  • PM10 10
  • PM25 3
  • SO2 0
  • CH4 1,392

Sunrise / Sunset

06:22
18:01