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:
15°C
59.0°F
°C °F

Condition: Overcast

Pressure: 1,012 hPa

Feel like: 14 °C

Temperature: 15°C

Cloud: 100%

Humidity: 81%

Wind: NW - 10 km/h

Visibility: 25.32 km

Weather forecast

Sun
27 Sep
10°C / 17°C
Overcast
Mon
28 Sep
13°C / 21°C
Overcast
Tue
29 Sep
15°C / 22°C
Moderate Drizzle
Wed
30 Sep
11°C / 17°C
Drizzle
Thu
01 Oct
7°C / 19°C
Partly Cloudy
Hourly forecast today:
02:00 AM
11° / 15°
11° / 15°
Overcast
81% 21 km/h
03:00 AM
11° / 14°
11° / 14°
Overcast
81% 21 km/h
04:00 AM
11° / 14°
11° / 14°
Overcast
84% 16 km/h
05:00 AM
11° / 13°
11° / 13°
Partly Cloudy
87% 15 km/h
06:00 AM
10° / 12°
10° / 12°
Overcast
90% 12 km/h
07:00 AM
10° / 12°
10° / 12°
Overcast
83% 14 km/h
08:00 AM
8° / 14°
8° / 14°
Overcast
67% 20 km/h
09:00 AM
7° / 15°
7° / 15°
Overcast
60% 20 km/h
10:00 AM
7° / 16°
7° / 16°
Overcast
56% 17 km/h
11:00 AM
7° / 17°
7° / 17°
Mainly Clear
53% 14 km/h
12:00 PM
7° / 18°
7° / 18°
Clear Sky
50% 13 km/h

30 Day Averages and Extremes

  • Average high 17.97°C
  • Average low 9.87°C
  • Hottest day 23°C (22 September 2026)
  • Coldest day 0°C (09 October 2026)
  • Average humidity 74.9%
  • Days with precipitation 20 days
  • Highest precipitation 48 mm (29 September 2026)

Yesterday's Data

  • Max: 19°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 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Sun hat or cap
- Comfortable sandals or sneakers
- Cotton or linen fabrics
- Sunscreen (if spending time outdoors)

Temperature

Early
11°C / 14°C
Morning
7°C / 15°C
Afternoon
6°C / 19°C
Evening
7°C / 10°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 445
  • CO 173
  • NH3 2
  • NO2 11
  • O3 43
  • PM10 10
  • PM25 7
  • SO2 0
  • CH4 1,437

Sunrise / Sunset

05:52
17:46