Chepstow weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Chepstow (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	45	45	50	55	61	66	70	70	64	57	50	46
Min temperature (night-time)	36	34	37	39	45	50	54	54	50	45	39	36
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 Chepstow

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	2	4	5	6	7	6	6	5	3	2	2
Daily hours of daylight	8	10	12	14	16	17	16	15	13	11	9	8
UV Index (Maximum)	1	1	2	4	5	6	6	5	4	2	1	0

Rainfall in Chepstow

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	18	14	17	15	15	13	12	14	14	16	17	18
Average monthly rainfall (inches)	3.6	2.7	2.8	2.2	2.5	2.4	2.2	2.7	3.1	3.3	3.4	3.8

More about Chepstow

Chepstow by month

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

Recommended for Wales

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 Wales (Chepstow) 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.

What's the climate like in Chepstow?

Chepstow has a temperate climate with warm summers and some rainfall in all months.

Chepstow weather in January

Expect daytime maximum temperatures of 45°F in Chepstow, Wales in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 3.6 inches of rainfall in the month.

45
45°F max day temperature
2
2 hours of sunshine per day
18
18 days with some rainfall
36
36°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
3.6
3.6 inches of monthly rainfall
1
1 (Low) UV index

Back to months

Chepstow weather in February

Expect daytime maximum temperatures of 45°F in Chepstow, Wales in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 14 days with some rainfall and typically 2.7 inches of rainfall in the month.

45
45°F max day temperature
2
2 hours of sunshine per day
14
14 days with some rainfall
34
34°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.7
2.7 inches of monthly rainfall
1
1 (Low) UV index

Back to months

Chepstow weather in March

Expect daytime maximum temperatures of 50°F in Chepstow, Wales in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 2.8 inches of rainfall in the month.

50
50°F max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
37
37°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
2
2 (Low) UV index

Back to months

Chepstow weather in April

Expect daytime maximum temperatures of 55°F in Chepstow, Wales in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 2.2 inches of rainfall in the month.

55
55°F max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
39
39°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
4
4 (Moderate) UV index

Back to months

Chepstow weather in May

Expect daytime maximum temperatures of 61°F in Chepstow, Wales in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 2.5 inches of rainfall in the month.

61
61°F max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
45
45°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
2.5
2.5 inches of monthly rainfall
5
5 (Moderate) UV index

Back to months

Chepstow weather in June

Expect daytime maximum temperatures of 66°F in Chepstow, Wales in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 2.4 inches of rainfall in the month.

66
66°F max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
50
50°F min night temperature
17
17 hours of daylight per day
0
No heat & humidity
2.4
2.4 inches of monthly rainfall
6
6 (High) UV index

Back to months

Chepstow weather in July

Expect daytime maximum temperatures of 70°F in Chepstow, Wales in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 2.2 inches of rainfall in the month.

70
70°F max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
54
54°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
6
6 (High) UV index

Back to months

Chepstow weather in August

Expect daytime maximum temperatures of 70°F in Chepstow, Wales in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 2.7 inches of rainfall in the month.

70
70°F max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
54
54°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
2.7
2.7 inches of monthly rainfall
5
5 (Moderate) UV index

Back to months

Chepstow weather in September

Expect daytime maximum temperatures of 64°F in Chepstow, Wales in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 3.1 inches of rainfall in the month.

64
64°F max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
50
50°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.1
3.1 inches of monthly rainfall
4
4 (Moderate) UV index

Back to months

Chepstow weather in October

Expect daytime maximum temperatures of 57°F in Chepstow, Wales in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 3.3 inches of rainfall in the month.

57
57°F max day temperature
3
3 hours of sunshine per day
16
16 days with some rainfall
45
45°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
2
2 (Low) UV index

Back to months

Chepstow weather in November

Expect daytime maximum temperatures of 50°F in Chepstow, Wales in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 3.4 inches of rainfall in the month.

50
50°F max day temperature
2
2 hours of sunshine per day
17
17 days with some rainfall
39
39°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
3.4
3.4 inches of monthly rainfall
1
1 (Low) UV index

Back to months

Chepstow weather in December

Expect daytime maximum temperatures of 46°F in Chepstow, Wales in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 3.8 inches of rainfall in the month.