Southampton, United Kingdom Weather

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

Current conditions

Updated:
24°C
75.2°F
°C °F

Condition: Clear Sky

Pressure: 1,010 hPa

Feel like: 22 °C

Temperature: 24°C

Cloud: 0%

Humidity: 34%

Wind: N - 7 km/h

Visibility: 18.64 km

Weather forecast

Mon
10 Aug
16°C / 27°C
Overcast
Tue
11 Aug
16°C / 30°C
Partly Cloudy
Wed
12 Aug
20°C / 33°C
Partly Cloudy
Thu
13 Aug
21°C / 30°C
Clear Sky
Fri
14 Aug
19°C / 28°C
Moderate Drizzle
Hourly forecast today:
09:00 AM
7° / 24°
7° / 24°
Clear Sky
34% 15 km/h
10:00 AM
5° / 26°
5° / 26°
Clear Sky
27% 11 km/h
11:00 AM
5° / 27°
5° / 27°
Clear Sky
25% 13 km/h
12:00 PM
5° / 28°
5° / 28°
Clear Sky
23% 15 km/h
13:00 PM
6° / 29°
6° / 29°
Clear Sky
23% 19 km/h
14:00 PM
6° / 30°
6° / 30°
Clear Sky
22% 23 km/h
15:00 PM
7° / 31°
7° / 31°
Clear Sky
22% 25 km/h
16:00 PM
8° / 30°
8° / 30°
Clear Sky
26% 38 km/h
17:00 PM
9° / 29°
9° / 29°
Clear Sky
29% 36 km/h
18:00 PM
9° / 29°
9° / 29°
Clear Sky
29% 29 km/h
19:00 PM
10° / 27°
10° / 27°
Clear Sky
35% 36 km/h

30 Day Averages and Extremes

  • Average high 23.4°C
  • Average low 14.67°C
  • Hottest day 33°C (12 August 2026)
  • Coldest day 0°C (22 August 2026)
  • Average humidity 56.23%
  • Days with precipitation 11 days
  • Highest precipitation 32 mm (29 July 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 18°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Southampton over the next 12 hours

Temperature and possibility of rain in Southampton in the coming days

Rainfall in Southampton in the coming days

Southampton Climate Summary

Southampton features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 12.0ºC (53.6ºF), which is about 1.25% higher than the national average for United Kingdom. Annually, the city experiences approximately 77.11 millimeters (3.04 inches) of rainfall, spread across 151.0 rainy days, accounting for 41.37% of the year.

Longitude 50.9097004
Latitude -1.4043509
Yearly high temperature 14.11ºC (57.4ºF)
Yearly low temperature 7.99ºC (46.38ºF)
Hottest month July 21.11ºC (70.0ºF)
Coldest month January 3.4ºC (38.12ºF)
Yearly precip 77.11mm (3.04in)
Days with rainfall 151.0 days (41.37%)
Driest month September (79.51%)
Wettest month October (83.01%)

Weather averages by month

Month High / Low (°C) Rain
January 7.66° / 3.4° 13.64 days
February 8.0° / 3.44° 12.73 days
March 10.43° / 4.17° 10.09 days
April 13.46° / 5.78° 10.45 days
May 15.92° / 8.15° 12.18 days
June 18.76° / 11.03° 12.82 days
July 21.11° / 13.2° 12.55 days
August 20.52° / 13.59° 13.36 days
September 18.75° / 11.9° 10.09 days
October 15.04° / 9.74° 14.0 days
November 10.96° / 6.75° 14.64 days
December 8.74° / 4.7° 14.45 days

Southampton's weather

Frequently asked questions

1. What is the hottest month in Southampton?

July has the highest average monthly temperature (daily mean of 21.11ºC) and January are the coolest (daily mean of 3.4ºC).

2. What should I wear in Southampton today?

For today's very hot weather in Southampton, with the high temperatures above 26ºC (78.8ºF), consider wearing:
- Open-toed sandals or light sneakers
- Thin, moisture-wicking socks
- Loose and airy fabrics like linen or cotton
- Lightweight t-shirt or tank top

Temperature

Early
12°C / 18°C
Morning
7°C / 24°C
Afternoon
7°C / 31°C
Evening
12°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 439
  • CO 155
  • NH3 3
  • NO2 7
  • O3 80
  • PM10 11
  • PM25 7
  • SO2 1
  • CH4 1,406

Sunrise / Sunset

04:45
19:36