Southampton weather by month

Check out Southampton weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Southampton (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	8	8	10	13	16	20	22	21	19	15	11	8
Min temperature (night-time)	2	2	3	5	8	11	12	12	11	8	5	3
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Southampton

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	3	4	6	7	7	7	6	5	4	3	2
Daily hours of daylight	9	10	12	14	16	16	16	14	13	11	9	8
UV Index (Maximum)	1	1	3	4	6	6	6	6	4	2	1	1

Rainfall in Southampton

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	17	13	14	12	13	11	9	11	12	14	15	16
Average monthly rainfall (mm)	81	56	63	47	54	51	41	55	67	74	79	83

More about Southampton

Southampton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for England

Spabreaks.com promo code: 8% off bookings & vouchers

Exclusive

Save 8% on spa breaks, spa days & gift vouchers
Check out latest offers on over 550 spas across the UK
A guaranteed experience to suit your budget & occasion

Show discount code

******SB8

Redeem Spabreaks.com discount code >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

Spa break finder

Destination

The climate guide for England (Southampton) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Southampton weather in January

Expect daytime maximum temperatures of 8°C in Southampton, England in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 81 mm of rainfall in the month.

8
8°C max day temperature
2
2 hours of sunshine per day
17
17 days with some rainfall
2
2°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
81
81 mm of monthly rainfall
1
1 (Low) UV index

Back to months

Southampton weather in February

Expect daytime maximum temperatures of 8°C in Southampton, England in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 56 mm of rainfall in the month.

8
8°C max day temperature
3
3 hours of sunshine per day
13
13 days with some rainfall
2
2°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
56
56 mm of monthly rainfall
1
1 (Low) UV index

Back to months

Southampton weather in March

Expect daytime maximum temperatures of 10°C in Southampton, England in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 63 mm of rainfall in the month.

10
10°C max day temperature
4
4 hours of sunshine per day
14
14 days with some rainfall
3
3°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
3
3 (Moderate) UV index

Back to months

Southampton weather in April

Expect daytime maximum temperatures of 13°C in Southampton, England in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 47 mm of rainfall in the month.

13
13°C max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
5
5°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
47
47 mm of monthly rainfall
4
4 (Moderate) UV index

Back to months

Southampton weather in May

Expect daytime maximum temperatures of 16°C in Southampton, England in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 54 mm of rainfall in the month.

16
16°C max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
8
8°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
54
54 mm of monthly rainfall
6
6 (High) UV index

Back to months

Southampton weather in June

Expect daytime maximum temperatures of 20°C in Southampton, England in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 51 mm of rainfall in the month.

20
20°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
11
11°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
51
51 mm of monthly rainfall
6
6 (High) UV index

Back to months

Southampton weather in July

Expect daytime maximum temperatures of 22°C in Southampton, England in July based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 41 mm of rainfall in the month.

22
22°C max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
12
12°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
41
41 mm of monthly rainfall
6
6 (High) UV index

Back to months

Southampton weather in August

Expect daytime maximum temperatures of 21°C in Southampton, England in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 55 mm of rainfall in the month.

21
21°C max day temperature
6
6 hours of sunshine per day
11
11 days with some rainfall
12
12°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
55
55 mm of monthly rainfall
6
6 (High) UV index

Back to months

Southampton weather in September

Expect daytime maximum temperatures of 19°C in Southampton, England in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 67 mm of rainfall in the month.

19
19°C max day temperature
5
5 hours of sunshine per day
12
12 days with some rainfall
11
11°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
67
67 mm of monthly rainfall
4
4 (Moderate) UV index

Back to months

Southampton weather in October

Expect daytime maximum temperatures of 15°C in Southampton, England in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 74 mm of rainfall in the month.

15
15°C max day temperature
4
4 hours of sunshine per day
14
14 days with some rainfall
8
8°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
74
74 mm of monthly rainfall
2
2 (Low) UV index

Back to months

Southampton weather in November

Expect daytime maximum temperatures of 11°C in Southampton, England in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 15 days with some rainfall and typically 79 mm of rainfall in the month.

11
11°C max day temperature
3
3 hours of sunshine per day
15
15 days with some rainfall
5
5°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
79
79 mm of monthly rainfall
1
1 (Low) UV index

Back to months

Southampton weather in December

Expect daytime maximum temperatures of 8°C in Southampton, England in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 83 mm of rainfall in the month.