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:
23°C
73.4°F
°C °F

Condition: Clear Sky

Pressure: 1,016 hPa

Feel like: 22 °C

Temperature: 23°C

Cloud: 1%

Humidity: 58%

Wind: SE - 17 km/h

Visibility: 14.9 km

Weather forecast

Mon
07 Sep
14°C / 19°C
Drizzle
Tue
08 Sep
11°C / 18°C
Overcast
Wed
09 Sep
13°C / 17°C
Moderate Drizzle
Thu
10 Sep
15°C / 21°C
Drizzle
Fri
11 Sep
11°C / 19°C
Overcast
Hourly forecast today:
15:00 PM
14° / 23°
14° / 23°
Clear Sky
58% 36 km/h
16:00 PM
14° / 22°
14° / 22°
Overcast
58% 39 km/h
17:00 PM
13° / 22°
13° / 22°
Clear Sky
59% 32 km/h
18:00 PM
13° / 21°
13° / 21°
Clear Sky
61% 25 km/h
19:00 PM
14° / 21°
14° / 21°
Overcast
67% 17 km/h
20:00 PM
14° / 21°
14° / 21°
Partly Cloudy
67% 13 km/h
21:00 PM
14° / 20°
14° / 20°
Clear Sky
72% 10 km/h
22:00 PM
16° / 19°
16° / 19°
Clear Sky
82% 10 km/h
23:00 PM
15° / 18°
15° / 18°
Overcast
83% 7 km/h
00:00 AM
14° / 18°
14° / 18°
Overcast
79% 11 km/h
01:00 AM
14° / 18°
14° / 18°
Overcast
77% 14 km/h

30 Day Averages and Extremes

  • Average high 19.17°C
  • Average low 13.0°C
  • Hottest day 25°C (24 August 2026)
  • Coldest day 0°C (19 September 2026)
  • Average humidity 68.2%
  • Days with precipitation 23 days
  • Highest precipitation 58 mm (28 August 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 14°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 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Cotton or linen fabrics
- Comfortable sandals or sneakers
- Sunscreen (if spending time outdoors)
- T-shirt or short-sleeve blouse

Temperature

Early
11°C / 15°C
Morning
13°C / 19°C
Afternoon
14°C / 23°C
Evening
14°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 436
  • CO 156
  • NH3 2
  • NO2 6
  • O3 80
  • PM10 11
  • PM25 5
  • SO2 2
  • CH4 1,400

Sunrise / Sunset

05:28
18:37