6 to 17°C
temperature
1927 hours
sunshine per day
651 mm
rain
137 days
dry
209 days
rain
19 days
snow

Climate of Barmouth

Barmouth has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Barmouth is 12° degrees and there is about 650 mm of rain in a year. It is dry for 113 days a year with an average humidity of 87% and an UV-index of 3.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 6°C and 17°C
  • Night:the average nighttime temperature is between 2°C and 11°C
  • Sea temperature: the sea temperature is between 9°C and 16°C
  • Rain: it rains 209 days and there is a total of approximately 651 mm rainfall
  • Snow: it snows an average of 19 days per year
  • Sun hours: throughout the year there are 1927 sun hours
Maximum temperature: between 6°C and 17°C
Warmest month: 17°C in July
Coldest month: 6°C in January
Night temperature: between 2°C and 11°C
Sea temperature: between 9°C and 16°C
Dry days: 137 days
Days with rain: 209 days
Days with snow: 19 days
Total rain sum: 651 mm
Hours of sunshine: 1927 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Barmouth.

Precipitation graph

This graph shows the average amount of rainfall per month for Barmouth.

Climate table of Barmouth

In this climate table you can see at a glance what the average weather per month is for Barmouth. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Barmouth might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 6 6 8 11 14 16 17 17 15 13 9 7
Night temp. (°C) 2 2 3 4 7 9 11 11 9 8 5 4
Water temp. (°C) 10 10 9 10 12 14 16 16 16 16 14 13
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 62 47 68 31 39 47 48 43 41 60 81 84
Days with rain 18 14 15 16 17 16 20 19 16 18 20 20
Days with snow 6 5 3 1 - - - - - - 1 3
Dry days 7 9 13 13 14 14 11 12 14 13 9 8
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 3 3 5 7 7 7 7 7 6 4 3 3
Wind force (Bft) 3 3 3 3 3 3 3 3 3 3 3 3
UV-index 1 2 2 3 4 4 4 4 3 3 2 2

Best time to visit Barmouth

The best time to visit Barmouth in Wales is in August and August. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Barmouth is 17°C in July and the lowest is 6°C in January. The maximum water temperature is 16°C and the lowest water temperature is 9°C.

Climate of Barmouth by month

What is the average climate in a given month for Barmouth? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Barmouth weather experiences

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