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:
17°C
62.6°F
°C °F

Condition: Clear Sky

Pressure: 1,017 hPa

Feel like: 18 °C

Temperature: 17°C

Cloud: 0%

Humidity: 88%

Wind: NE - 10 km/h

Visibility: 19.22 km

Weather forecast

Tue
23 Jun
22°C / 32°C
Slight Thunderstorm
Wed
24 Jun
21°C / 33°C
Slight Thunderstorm
Thu
25 Jun
18°C / 27°C
Slight Thunderstorm
Fri
26 Jun
17°C / 24°C
Drizzle
Sat
27 Jun
16°C / 24°C
Partly Cloudy
Hourly forecast today:
01:00 AM
15° / 17°
15° / 17°
Clear Sky
88% 22 km/h
02:00 AM
15° / 17°
15° / 17°
Clear Sky
87% 24 km/h
03:00 AM
15° / 17°
15° / 17°
Clear Sky
87% 26 km/h
04:00 AM
16° / 17°
16° / 17°
Clear Sky
91% 23 km/h
05:00 AM
16° / 18°
16° / 18°
Clear Sky
89% 23 km/h
06:00 AM
17° / 19°
17° / 19°
Clear Sky
87% 24 km/h
07:00 AM
18° / 21°
18° / 21°
Clear Sky
82% 25 km/h
08:00 AM
19° / 23°
19° / 23°
Clear Sky
78% 24 km/h
09:00 AM
20° / 25°
20° / 25°
Clear Sky
73% 28 km/h
10:00 AM
20° / 27°
20° / 27°
Clear Sky
66% 28 km/h
11:00 AM
19° / 29°
19° / 29°
Clear Sky
58% 30 km/h

30 Day Averages and Extremes

  • Average high 20.2°C
  • Average low 12.6°C
  • Hottest day 33°C (24 June 2026)
  • Coldest day 0°C (04 July 2026)
  • Average humidity 72.97%
  • Days with precipitation 19 days
  • Highest precipitation 62 mm (07 June 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 17°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 very hot weather in East Sussex, with the high temperatures above 32ºC (89.6ºF), consider wearing:
- Sleeveless tops or vests
- UV-blocking sunglasses
- Ultra-thin, breathable socks
- Broad-brimmed sun hat

Temperature

Early
15°C / 17°C
Morning
20°C / 25°C
Afternoon
18°C / 29°C
Evening
16°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 451
  • CO 122
  • NH3 0
  • NO2 10
  • O3 53
  • PM10 14
  • PM25 11
  • SO2 0
  • CH4 1,427

Sunrise / Sunset

03:45
20:17