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:
8°C
46.4°F
°C °F

Condition: Mainly Clear

Pressure: 1,000 hPa

Feel like: 5 °C

Temperature: 8°C

Cloud: 29%

Humidity: 74%

Wind: WNW - 12 km/h

Visibility: 32.56 km

Weather forecast

Fri
15 May
3°C / 12°C
Drizzle
Sat
16 May
8°C / 14°C
Drizzle
Sun
17 May
7°C / 13°C
Drizzle
Mon
18 May
10°C / 14°C
Slight Rain
Tue
19 May
12°C / 16°C
Drizzle
Hourly forecast today:
01:00 AM
4° / 8°
4° / 8°
Mainly Clear
74% 25 km/h
02:00 AM
4° / 8°
4° / 8°
Overcast
76% 27 km/h
03:00 AM
3° / 8°
3° / 8°
Mainly Clear
73% 24 km/h
04:00 AM
4° / 8°
4° / 8°
Overcast
74% 26 km/h
05:00 AM
4° / 8°
4° / 8°
Partly Cloudy
73% 32 km/h
06:00 AM
4° / 8°
4° / 8°
Partly Cloudy
74% 30 km/h
07:00 AM
4° / 9°
4° / 9°
Overcast
72% 29 km/h
08:00 AM
4° / 9°
4° / 9°
Overcast
69% 28 km/h
09:00 AM
4° / 10°
4° / 10°
Overcast
64% 24 km/h
10:00 AM
6° / 8°
6° / 8°
Drizzle Dense Intensity
84% 30 km/h
11:00 AM
6° / 9°
6° / 9°
Drizzle Dense Intensity
79% 34 km/h

30 Day Averages and Extremes

  • Average high 16.77°C
  • Average low 9.1°C
  • Hottest day 24°C (25 May 2026)
  • Coldest day 0°C (28 May 2026)
  • Average humidity 64.4%
  • Days with precipitation 25 days
  • Highest precipitation 50 mm (18 May 2026)

Yesterday's Data

  • Max: 13°C
  • Min: 8°C
  • Total Precipitation: 7 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 cool weather in Southampton, with temperatures between 10ºC to 13ºC (50.0ºF to 55.4ºF), you should consider wearing:
- Thin gloves (optional for early mornings or late evenings)
- Knit hat (optional for cooler mornings)
- Comfortable pants or jeans
- Light scarf or wrap

Temperature

Early
3°C / 8°C
Morning
4°C / 10°C
Afternoon
2°C / 13°C
Evening
4°C / 8°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 132
  • NH3 1
  • NO2 4
  • O3 63
  • PM10 6
  • PM25 3
  • SO2 0
  • CH4 1,399

Sunrise / Sunset

04:15
19:48