Which is the hottest month in Monmouth?

The hottest time of year in Monmouth is normally July. Expect maximum daytime temperatures to reach 20°C.

Which month has the most rain in Monmouth?

In terms of rainfall, December is usually the wettest month in Monmouth with 109mm on average. There are normally 19 days in December with some rain.

When is it sunniest in Monmouth?

The sunniest time of year in Monmouth is normally August with bright sunshine on average for 41% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Monmouth?

The sea is usually at its warmest in Monmouth in August when the water temperature reaches 18°C.

Best time to visit Monmouth

Q: When is the best time to visit Monmouth?

The best time to visit Monmouth, Wales is in July Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best time to visit Monmouth, Wales is in July based on our default weather conditions. Update your weather preferences to see which months best match.

Monmouth by month

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

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When is the best time to visit Monmouth?

The best time to visit Monmouth, Wales is in July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
0.5
Feb
1.5
Mar
1.5
Apr
2
May
3.5
Jun
4
Jul
4
Aug
2
Sep
1
Oct
0.5
Nov
0.5
Dec

Change criteria

Max Day Temperature (°C)

7
Jan
7
Feb
9
Mar
12
Apr
16
May
19
Jun
21
Jul
20
Aug
18
Sep
14
Oct
10
Nov
7
Dec

Hours of Sunshine (daily)

2
Jan
2
Feb
4
Mar
5
Apr
6
May
7
Jun
6
Jul
6
Aug
4
Sep
3
Oct
2
Nov
2
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Wales (Monmouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)