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:
17°C
62.6°F
°C °F

Condition: Clear Sky

Pressure: 1,014 hPa

Feel like: 17 °C

Temperature: 17°C

Cloud: 0%

Humidity: 84%

Wind: WNW - 6 km/h

Visibility: 14.3 km

Weather forecast

Tue
11 Aug
17°C / 30°C
Overcast
Wed
12 Aug
20°C / 33°C
Clear Sky
Thu
13 Aug
20°C / 31°C
Slight Rain
Fri
14 Aug
17°C / 23°C
Overcast
Sat
15 Aug
14°C / 23°C
Drizzle
Hourly forecast today:
05:00 AM
14° / 17°
14° / 17°
Clear Sky
84% 13 km/h
06:00 AM
14° / 17°
14° / 17°
Clear Sky
82% 19 km/h
07:00 AM
14° / 18°
14° / 18°
Mainly Clear
75% 21 km/h
08:00 AM
13° / 20°
13° / 20°
Clear Sky
65% 21 km/h
09:00 AM
13° / 21°
13° / 21°
Clear Sky
60% 19 km/h
10:00 AM
12° / 23°
12° / 23°
Mainly Clear
53% 18 km/h
11:00 AM
12° / 24°
12° / 24°
Mainly Clear
47% 20 km/h
12:00 PM
11° / 25°
11° / 25°
Mainly Clear
42% 22 km/h
13:00 PM
10° / 26°
10° / 26°
Partly Cloudy
38% 22 km/h
14:00 PM
10° / 27°
10° / 27°
Mainly Clear
35% 23 km/h
15:00 PM
8° / 27°
8° / 27°
Clear Sky
31% 21 km/h

30 Day Averages and Extremes

  • Average high 23.97°C
  • Average low 15.17°C
  • Hottest day 33°C (12 August 2026)
  • Coldest day 0°C (23 August 2026)
  • Average humidity 55.2%
  • Days with precipitation 11 days
  • Highest precipitation 32 mm (29 July 2026)

Yesterday's Data

  • Max: 27°C
  • Min: 17°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 warm weather in Southampton, with temperatures between 21ºC to 24ºC (69.8ºF to 75.2ºF), you might consider wearing:
- Sun hat or cap
- Sunglasses
- Sunscreen (if spending time outdoors)
- Shorts or lightweight trousers

Temperature

Early
14°C / 17°C
Morning
13°C / 21°C
Afternoon
8°C / 27°C
Evening
11°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 438
  • CO 134
  • NH3 2
  • NO2 4
  • O3 43
  • PM10 9
  • PM25 5
  • SO2 0
  • CH4 1,368

Sunrise / Sunset

04:47
19:34