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:
29°C
84.2°F
°C °F

Condition: Clear Sky

Pressure: 1,014 hPa

Feel like: 32 °C

Temperature: 29°C

Cloud: 0%

Humidity: 63%

Wind: N - 8 km/h

Visibility: 14.46 km

Weather forecast

Thu
25 Jun
20°C / 29°C
Moderate Drizzle
Fri
26 Jun
19°C / 27°C
Moderate Rain
Sat
27 Jun
17°C / 22°C
Drizzle
Sun
28 Jun
13°C / 22°C
Overcast
Mon
29 Jun
14°C / 21°C
Moderate Drizzle
Hourly forecast today:
09:00 AM
21° / 29°
21° / 29°
Clear Sky
63% 19 km/h
10:00 AM
20° / 30°
20° / 30°
Clear Sky
55% 21 km/h
11:00 AM
19° / 32°
19° / 32°
Clear Sky
47% 18 km/h
12:00 PM
17° / 34°
17° / 34°
Clear Sky
38% 19 km/h
13:00 PM
16° / 35°
16° / 35°
Clear Sky
33% 17 km/h
14:00 PM
16° / 36°
16° / 36°
Clear Sky
30% 19 km/h
15:00 PM
14° / 37°
14° / 37°
Clear Sky
27% 20 km/h
16:00 PM
14° / 37°
14° / 37°
Clear Sky
26% 22 km/h
17:00 PM
15° / 37°
15° / 37°
Clear Sky
27% 23 km/h
18:00 PM
17° / 35°
17° / 35°
Clear Sky
34% 18 km/h
19:00 PM
20° / 32°
20° / 32°
Clear Sky
50% 11 km/h

30 Day Averages and Extremes

  • Average high 21.27°C
  • Average low 13.97°C
  • Hottest day 37°C (23 June 2026)
  • Coldest day 0°C (07 July 2026)
  • Average humidity 64.3%
  • Days with precipitation 19 days
  • Highest precipitation 37 mm (10 June 2026)

Yesterday's Data

  • Max: 37°C
  • Min: 23°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 32ºC (89.6ºF), consider wearing:
- UV-blocking sunglasses
- Airy sandals or flip-flops
- Light, natural fabrics (like cotton or linen)
- Lightweight, loose-fitting shorts

Temperature

Early
18°C / 24°C
Morning
21°C / 29°C
Afternoon
14°C / 37°C
Evening
19°C / 31°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 440
  • CO 184
  • NH3 3
  • NO2 9
  • O3 104
  • PM10 29
  • PM25 17
  • SO2 1
  • CH4 1,428

Sunrise / Sunset

03:52
20:24