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:
20°C
68.0°F
°C °F

Condition: Clear Sky

Pressure: 1,023 hPa

Feel like: 18 °C

Temperature: 20°C

Cloud: 0%

Humidity: 48%

Wind: SW - 10 km/h

Visibility: 30.6 km

Weather forecast

Tue
22 Sep
11°C / 20°C
Drizzle
Wed
23 Sep
8°C / 17°C
Overcast
Thu
24 Sep
8°C / 19°C
Overcast
Fri
25 Sep
9°C / 17°C
Overcast
Sat
26 Sep
14°C / 20°C
Drizzle
Hourly forecast today:
15:00 PM
8° / 20°
8° / 20°
Clear Sky
48% 20 km/h
16:00 PM
9° / 19°
9° / 19°
Clear Sky
55% 20 km/h
17:00 PM
10° / 18°
10° / 18°
Clear Sky
62% 15 km/h
18:00 PM
11° / 14°
11° / 14°
Clear Sky
79% 9 km/h
19:00 PM
10° / 12°
10° / 12°
Clear Sky
89% 5 km/h
20:00 PM
10° / 12°
10° / 12°
Clear Sky
88% 6 km/h
21:00 PM
10° / 11°
10° / 11°
Clear Sky
92% 4 km/h
22:00 PM
10° / 12°
10° / 12°
Clear Sky
88% 7 km/h
23:00 PM
9° / 10°
9° / 10°
Clear Sky
92% 5 km/h
00:00 AM
9° / 11°
9° / 11°
Clear Sky
92% 7 km/h
01:00 AM
9° / 10°
9° / 10°
Clear Sky
92% 7 km/h

30 Day Averages and Extremes

  • Average high 18.27°C
  • Average low 10.73°C
  • Hottest day 24°C (30 September 2026)
  • Coldest day 0°C (04 October 2026)
  • Average humidity 74.53%
  • Days with precipitation 22 days
  • Highest precipitation 63 mm (07 September 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 6°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 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Shorts or lightweight trousers
- Sunglasses
- Sun hat or cap
- Sunscreen (if spending time outdoors)

Temperature

Early
4°C / 7°C
Morning
4°C / 16°C
Afternoon
8°C / 20°C
Evening
10°C / 11°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 436
  • CO 193
  • NH3 1
  • NO2 3
  • O3 89
  • PM10 10
  • PM25 6
  • SO2 0
  • CH4 1,397

Sunrise / Sunset

05:45
17:57