East Sussex, United Kingdom Weather

  1. East 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 East Sussex over the next 12 hours
  7. Temperature and possibility of rain in East Sussex in the coming days
  8. Rainfall in East Sussex in the coming days
  9. East Sussex Weather Summary
  10. Weather averages by month
  11. East Sussex's weather
  12. Frequently asked questions
  13. Comments
East Sussex, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Overcast

Pressure: 1,012 hPa

Feel like: 21 °C

Temperature: 21°C

Cloud: 100%

Humidity: 58%

Wind: SE - 12 km/h

Visibility: 30.84 km

Weather forecast

Mon
07 Sep
12°C / 16°C
Drizzle
Tue
08 Sep
10°C / 18°C
Partly Cloudy
Wed
09 Sep
10°C / 16°C
Drizzle
Thu
10 Sep
13°C / 20°C
Drizzle
Fri
11 Sep
10°C / 20°C
Overcast
Hourly forecast today:
15:00 PM
13° / 21°
13° / 21°
Overcast
58% 24 km/h
16:00 PM
13° / 21°
13° / 21°
Clear Sky
59% 23 km/h
17:00 PM
14° / 20°
14° / 20°
Mainly Clear
66% 18 km/h
18:00 PM
15° / 19°
15° / 19°
Overcast
77% 15 km/h
19:00 PM
14° / 17°
14° / 17°
Clear Sky
83% 14 km/h
20:00 PM
14° / 17°
14° / 17°
Clear Sky
85% 14 km/h
21:00 PM
14° / 17°
14° / 17°
Partly Cloudy
85% 11 km/h
22:00 PM
14° / 17°
14° / 17°
Drizzle
82% 11 km/h
23:00 PM
14° / 16°
14° / 16°
Clear Sky
86% 10 km/h
00:00 AM
13° / 15°
13° / 15°
Clear Sky
87% 5 km/h
01:00 AM
14° / 16°
14° / 16°
Overcast
89% 9 km/h

30 Day Averages and Extremes

  • Average high 18.5°C
  • Average low 11.67°C
  • Hottest day 25°C (24 August 2026)
  • Coldest day 0°C (19 September 2026)
  • Average humidity 72.6%
  • Days with precipitation 22 days
  • Highest precipitation 71 mm (28 August 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 10°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in East Sussex over the next 12 hours

Temperature and possibility of rain in East Sussex in the coming days

Rainfall in East Sussex in the coming days

East Sussex Climate Summary

East Sussex features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.77ºC (53.19ºF), which is about 1.02% higher than the national average for United Kingdom. Annually, the city experiences approximately 60.07 millimeters (2.36 inches) of rainfall, spread across 132.45 rainy days, accounting for 36.29% of the year.

Longitude 50.9085955
Latitude 0.2494166
Yearly high temperature 13.54ºC (56.37ºF)
Yearly low temperature 8.41ºC (47.14ºF)
Hottest month July 20.3ºC (68.54ºF)
Coldest month December 4.85ºC (40.73ºF)
Yearly precip 60.07mm (2.36in)
Days with rainfall 132.45 days (36.29%)
Driest month April (80.78%)
Wettest month October (81.96%)

Weather averages by month

Month High / Low (°C) Rain
January 7.23° / 3.61° 13.18 days
February 7.39° / 3.7° 11.45 days
March 9.63° / 4.68° 8.82 days
April 12.57° / 6.38° 7.55 days
May 14.99° / 8.67° 10.27 days
June 17.84° / 11.3° 10.09 days
July 20.3° / 13.68° 11.36 days
August 20.22° / 14.16° 11.73 days
September 18.2° / 12.51° 8.45 days
October 14.81° / 10.3° 12.64 days
November 10.81° / 7.05° 13.64 days
December 8.45° / 4.85° 13.27 days

East Sussex's weather

Frequently asked questions

1. What is the hottest month in East Sussex?

July has the highest average monthly temperature (daily mean of 20.3ºC) and December are the coolest (daily mean of 4.85ºC).

2. What should I wear in East Sussex today?

For today's warm weather in East Sussex, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Sunscreen (if spending time outdoors)
- Sun hat or cap
- Comfortable sandals or sneakers
- Light, breathable socks

Temperature

Early
10°C / 11°C
Morning
12°C / 19°C
Afternoon
13°C / 21°C
Evening
14°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 431
  • CO 147
  • NH3 2
  • NO2 1
  • O3 83
  • PM10 9
  • PM25 5
  • SO2 0
  • CH4 1,385

Sunrise / Sunset

05:21
18:31