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:
5°C
41.0°F
°C °F

Condition: Clear Sky

Pressure: 1,021 hPa

Feel like: 2 °C

Temperature: 5°C

Cloud: 0%

Humidity: 63%

Wind: NNE - 8 km/h

Visibility: 24.14 km

Weather forecast

Fri
23 Jan
0°C / 4°C
Overcast
Sat
24 Jan
0°C / 3°C
Overcast
Sun
25 Jan
-1°C / 3°C
Partly Cloudy
Mon
26 Jan
0°C / 4°C
Overcast
Tue
27 Jan
0°C / 4°C
Overcast
Hourly forecast today:
15:00 PM
0° / 5°
0° / 5°
Clear Sky
63% 17 km/h
16:00 PM
0° / 5°
0° / 5°
Clear Sky
66% 17 km/h
17:00 PM
0° / 3°
0° / 3°
Clear Sky
71% 18 km/h
18:00 PM
-1° / 2°
-1° / 2°
Clear Sky
75% 17 km/h
19:00 PM
-1° / 2°
-1° / 2°
Clear Sky
77% 16 km/h
20:00 PM
-1° / 2°
-1° / 2°
Clear Sky
77% 14 km/h
21:00 PM
-1° / 1°
-1° / 1°
Clear Sky
78% 12 km/h
22:00 PM
-1° / 1°
-1° / 1°
Clear Sky
79% 12 km/h
23:00 PM
-1° / 1°
-1° / 1°
Clear Sky
79% 11 km/h
00:00 AM
-1° / 1°
-1° / 1°
Clear Sky
80% 11 km/h
01:00 AM
-1° / 0°
-1° / 0°
Clear Sky
81% 11 km/h

30 Day Averages and Extremes

  • Average high 6.4°C
  • Average low 1.93°C
  • Hottest day 11°C (12 January 2026)
  • Coldest day -1°C (04 January 2026)
  • Average humidity 82.93%
  • Days with precipitation 25 days
  • Highest precipitation 55 mm (15 January 2026)

Yesterday's Data

  • Max: 9°C
  • Min: 2°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 cold weather in Southampton, with temperatures ranging from 3ºC to 6ºC (37.4ºF to 42.8ºF), you should wear:
- Wool or thermal socks
- Warm jacket or medium-weight coat
- Long pants (jeans or other thick materials)
- Hat and gloves, particularly for early mornings or evenings

Temperature

Early
2°C / 2°C
Morning
1°C / 2°C
Afternoon
0°C / 5°C
Evening
-1°C / 1°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

07:54
16:39