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:
28°C
82.4°F
°C °F

Condition: Clear Sky

Pressure: 1,018 hPa

Feel like: 29 °C

Temperature: 28°C

Cloud: 0%

Humidity: 55%

Wind: SE - 17 km/h

Visibility: 17.46 km

Weather forecast

Tue
23 Jun
23°C / 34°C
Slight Thunderstorm
Wed
24 Jun
22°C / 35°C
Slight Thunderstorm
Thu
25 Jun
18°C / 24°C
Overcast
Fri
26 Jun
17°C / 23°C
Overcast
Sat
27 Jun
16°C / 22°C
Mainly Clear
Hourly forecast today:
16:00 PM
18° / 28°
18° / 28°
Clear Sky
55% 34 km/h
17:00 PM
18° / 28°
18° / 28°
Overcast
55% 22 km/h
18:00 PM
18° / 27°
18° / 27°
Overcast
57% 6 km/h
19:00 PM
18° / 28°
18° / 28°
Overcast
53% 39 km/h
20:00 PM
18° / 27°
18° / 27°
Overcast
58% 28 km/h
21:00 PM
17° / 25°
17° / 25°
Overcast
60% 35 km/h
22:00 PM
17° / 24°
17° / 24°
Overcast
63% 23 km/h
23:00 PM
18° / 23°
18° / 23°
Drizzle
71% 26 km/h
00:00 AM
17° / 23°
17° / 23°
Overcast
72% 28 km/h
01:00 AM
17° / 23°
17° / 23°
Clear Sky
71% 17 km/h
02:00 AM
17° / 22°
17° / 22°
Clear Sky
72% 20 km/h

30 Day Averages and Extremes

  • Average high 21.0°C
  • Average low 13.7°C
  • Hottest day 35°C (24 June 2026)
  • Coldest day 0°C (05 July 2026)
  • Average humidity 64.17%
  • Days with precipitation 19 days
  • Highest precipitation 50 mm (07 June 2026)

Yesterday's Data

  • Max: 29°C
  • Min: 19°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 30ºC (86.0ºF), consider wearing:
- Light, natural fabrics (like cotton or linen)
- Airy sandals or flip-flops
- UV-blocking sunglasses
- High SPF sunscreen for outdoor activities

Temperature

Early
15°C / 19°C
Morning
16°C / 25°C
Afternoon
18°C / 27°C
Evening
17°C / 25°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 139
  • NH3 2
  • NO2 6
  • O3 116
  • PM10 15
  • PM25 9
  • SO2 1
  • CH4 1,412

Sunrise / Sunset

03:52
20:24