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United Kingdom weather

Weather in Southampton for May 2025

Your guide to Southampton weather in May - trends and predictions

  • In general, the average temperature in Southampton at the beginning of May is 14.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.4 °C by the end of May.

  • Southampton sees moderate rainfall in May, averaging 7 rainy days.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/7°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Southampton in May average weather

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
16°
2
Patchy rain possible
12°
3
Overcast
14°
4
Patchy rain possible
15°
5
Moderate rain at times
15°
6
Moderate or heavy rain shower
14°
7
Cloudy
17°
8
Moderate rain at times
15°
9
Moderate or heavy rain shower
17°
10
Moderate or heavy rain shower
16°
11
Moderate or heavy rain shower
17°
12
Heavy rain at times
17°
13
Cloudy
17°
14
Patchy rain possible
17°
15
Overcast
15°
16
Cloudy
16°
17
Overcast
16°
18
Patchy rain possible
16°
19
Moderate or heavy rain shower
18°
20
Cloudy
17°
21
Overcast
15°
22
Partly cloudy
18°
23
Overcast
15°
24
Partly cloudy
17°
25
Cloudy
17°
26
Sunny
18°
27
Sunny
16°
28
Overcast
18°
29
Overcast
17°
30
Partly cloudy
18°
31
Overcast
18°
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Temperatures trend during May in Southampton

See the weather trend as well as the moving average line

May weather day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 16° /7° 3.5 mm 4
2 May Patchy rain possible
Patchy rain possible
 12° /7° 6.4 mm 3
3 May Overcast
Overcast
 14° /6° 0.6 mm 4
4 May Patchy rain possible
Patchy rain possible
 15° /7° 0.3 mm 4
5 May Moderate rain at times
Moderate rain at times
 15° /8° 2.7 mm 4
6 May Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /8° 6.9 mm 3
7 May Cloudy
Cloudy
 17° /8° 0.7 mm 4
8 May Moderate rain at times
Moderate rain at times
 15° /9° 4.7 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /9° 9.6 mm 4
10 May Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /9° 1.7 mm 4
11 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /8° 3.5 mm 4
12 May Heavy rain at times
Heavy rain at times
 17° /9° 1.3 mm 4
13 May Cloudy
Cloudy
 17° /9° 5.4 mm 4
14 May Patchy rain possible
Patchy rain possible
 17° /8° 3.5 mm 4
15 May Overcast
Overcast
 15° /8° 0.6 mm 4
16 May Cloudy
Cloudy
 16° /7° 1.2 mm 4
17 May Overcast
Overcast
 16° /7° 0 mm 4
18 May Patchy rain possible
Patchy rain possible
 16° /10° 4.8 mm 4
19 May Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /9° 2.8 mm 4
20 May Cloudy
Cloudy
 17° /7° 0.8 mm 4
21 May Overcast
Overcast
 15° /6° 0.8 mm 4
22 May Partly cloudy
Partly cloudy
 18° /8° 1.9 mm 5
23 May Overcast
Overcast
 15° /7° 0 mm 4
24 May Partly cloudy
Partly cloudy
 17° /6° 0 mm 5
25 May Cloudy
Cloudy
 17° /7° 1.7 mm 4
26 May Sunny
Sunny
 18° /7° 3.6 mm 5
27 May Sunny
Sunny
 16° /7° 0.7 mm 4
28 May Overcast
Overcast
 18° /9° 3.2 mm 5
29 May Overcast
Overcast
 17° /8° 0.7 mm 4
30 May Partly cloudy
Partly cloudy
 18° /7° 2.2 mm 5
31 May Overcast
Overcast
 18° /8° 0.1 mm 5
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Important Notice
Our weather forecast for Southampton in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Southampton forecast closer to your planned date for the most up-to-date weather information.

Southampton in May - FAQ

What are the expected maximum and minimum temperatures in Southampton during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Southampton during May?
Significant rainfall exceeding 127.4 mm is expected in Southampton during May, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Southampton during May?
The average wind speed in Southampton during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

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Get accurate weather forecasts for Southampton, located at latitude 50.904 and longitude -1.404. Stay updated with localized weather information tailored for Southampton.

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