Climate and monthly weather forecastDolgellau, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Dolgellau, United Kingdom, with an average temperature ranging between max 5.8°C (42.4°F) and min 2.2°C (36°F). January is the coldest month, with the temperature often reaching an average high of 5.8°C (42.4°F) and an average low of 2.2°C (36°F). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Dolgellau, United Kingdom, with an average temperature ranging between min 1.9°C (35.4°F) and max 6.1°C (43°F). The advent of February denotes an average high-temperature of a chilly 6.1°C (43°F), subtly different from January's 5.8°C (42.4°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Dolgellau, United Kingdom, with temperature in the range of an average high of 8.4°C (47.1°F) and an average low of 2.4°C (36.3°F). The arrival of March sees an average high-temperature of a still chilly 8.4°C (47.1°F), hardly diverging from February's 6.1°C (43°F). Weather in March »Weather in April
April in Dolgellau, United Kingdom, is a cool spring month, with an average temperature varying between 4.2°C (39.6°F) and 11.2°C (52.2°F). April observes an average high-temperature of a fresh 11.2°C (52.2°F), marking an insignificant difference from March's 8.4°C (47.1°F). Weather in April »Weather in May
May, the last month of the spring in Dolgellau, is a moderate month, with an average temperature varying between 6.5°C (43.7°F) and 13.6°C (56.5°F). The advent of May reveals an average high-temperature of a refreshing 13.6°C (56.5°F), showing minimal difference from the prior month. Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Dolgellau, United Kingdom, with an average temperature varying between 16.1°C (61°F) and 8.8°C (47.8°F). With the onset of June, the average high-temperature registers at an enjoyable 16.1°C (61°F), subtly different from May's 13.6°C (56.5°F). Weather in June »Weather in July
July, the same as June, is another enjoyable summer month in Dolgellau, United Kingdom, with an average temperature ranging between min 10.7°C (51.3°F) and max 17.2°C (63°F). The average temperatures reach their apex in July, averaging 17.2°C (63°F) at the high end and 10.7°C (51.3°F) at the low end. Weather in July »Weather in August
The last month of the summer, August, is another refreshing month in Dolgellau, United Kingdom, with an average temperature fluctuating between 16.8°C (62.2°F) and 10.8°C (51.4°F). August commences with an average high-temperature of a still refreshing 16.8°C (62.2°F), showing little deviation from July's 17.2°C (63°F). Weather in August »Weather in September
The first month of the autumn, September, is still a mild month in Dolgellau, United Kingdom, with an average temperature ranging between max 15°C (59°F) and min 9.3°C (48.7°F). During September, Dolgellau observes a subtle ascent to a moderate 15°C (59°F) from August's 16.8°C (62.2°F) in the average high-temperature. Weather in September »Weather in October
October, like September, in Dolgellau, United Kingdom, is a cool autumn month, with temperature in the range of an average high of 12.4°C (54.3°F) and an average low of 7.5°C (45.5°F). With the onset of October, the average high-temperature registers at a cool 12.4°C (54.3°F), subtly different from September's 15°C (59°F). Weather in October »Weather in November
November, the last month of the autumn in Dolgellau, is also a frosty month, with temperature in the range of an average low of 4.9°C (40.8°F) and an average high of 8.7°C (47.7°F). November's arrival subtly correlates with a reduction in the average high-temperature, down from a cool 12.4°C (54.3°F) in October to a frosty 8.7°C (47.7°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Dolgellau, United Kingdom, with temperature in the range of an average high of 7°C (44.6°F) and an average low of 3.3°C (37.9°F). December's weather displays an average high-temperature of a still chilly 7°C (44.6°F), slightly varied from November's 8.7°C (47.7°F). Weather in December »Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month of January sees the average lowest temperatures in Dolgellau, United Kingdom, reaching 5.8°C (42.4°F) at the peak and 2.2°C (36°F) at the low.
With an average relative humidity of 90%, January is the most humid month.
In Dolgellau, during the entire year, the rain falls for 218 days and collects up to 849mm (33.43") of precipitation.
January through May, November and December are months with snowfall in Dolgellau.
January is the month with the most snowfall. Snow falls for 5.7 days and accumulates 57mm (2.24") of snow.
In Dolgellau, United Kingdom, during the entire year, snow falls for 19.4 days and aggregates up to 197mm (7.76") of snow.
The months with the lowest UV index in Dolgellau, United Kingdom, are January through March, November and December, with an average maximum UV index of 2.
The months with the lowest humidity in Dolgellau, United Kingdom, are April and May, with an average relative humidity of 83%.
May is the month with the least rainfall in Dolgellau, United Kingdom. Rain falls for 17 days and accumulates 41mm (1.61") of precipitation.
The month with the most sunshine in Dolgellau, United Kingdom, is May, with an average of 7.1h of sunshine.
The months with the highest UV index in Dolgellau are May through August, with an average maximum UV index of 4.
June through October are months without snowfall.
The month with the longest days is June, with an average of 16h and 48min of daylight.
In Dolgellau, July is identified by the average highest temperatures, reaching a peak of 17.2°C (63°F) and a low of 10.7°C (51.3°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Dolgellau, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
December is the month with the most rainfall. Rain falls for 20.7 days and accumulates 94mm (3.7") of precipitation.
With an average of 7h and 42min of daylight, December has the shortest days of the year in Dolgellau.
December has the least sunshine of the year, with an average of 3.1h of sunshine.
Average temperature
Dolgellau, United Kingdom
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.8°C).
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (1.9°C).
Average pressure
Dolgellau, United Kingdom
- Average pressure in January:
1012.8mbar - Average pressure in February:
1012.3mbar - Average pressure in March:
1014.7mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1016.3mbar - Average pressure in June:
1015.5mbar
- Average pressure in July:
1014.4mbar - Average pressure in August:
1013.7mbar - Average pressure in September:
1016mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1009.2mbar - Average pressure in December:
1012.5mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed
Dolgellau, United Kingdom
- Average wind speed in January:
18.2km/h - Average wind speed in February:
18.3km/h - Average wind speed in March:
16.2km/h - Average wind speed in April:
13.4km/h - Average wind speed in May:
13.4km/h - Average wind speed in June:
11.9km/h
- Average wind speed in July:
12.1km/h - Average wind speed in August:
13.4km/h - Average wind speed in September:
13.8km/h - Average wind speed in October:
15.4km/h - Average wind speed in November:
17km/h - Average wind speed in December:
19.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11.9km/h).
Average humidity
Dolgellau, United Kingdom
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall
Dolgellau, United Kingdom
The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days
Dolgellau, United Kingdom
- Average rainfall days in January:
18.8 days - Average rainfall days in February:
14.7 days - Average rainfall days in March:
15.7 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
17 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
20.4 days - Average rainfall days in August:
20.2 days - Average rainfall days in September:
16.9 days - Average rainfall days in October:
18.4 days - Average rainfall days in November:
21 days - Average rainfall days in December:
20.7 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is February (14.7 days).
Average snowfall
Dolgellau, United Kingdom
The month with the highest snowfall is January (57mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Dolgellau, United Kingdom
- Average snowfall days in January:
5.7 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
2.9 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
3.3 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Dolgellau, United Kingdom
- Average daylight in January:
8h and 18min - Average daylight in February:
9h and 54min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 48min - Average daylight in June:
16h and 48min
- Average daylight in July:
16h and 18min - Average daylight in August:
14h and 42min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 42min - Average daylight in December:
7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January:
3h and 12min - Average sunshine in February:
3h and 18min - Average sunshine in March:
5h and 12min - Average sunshine in April:
6h and 54min - Average sunshine in May:
7h and 6min - Average sunshine in June:
7h and 0min
- Average sunshine in July:
6h and 48min - Average sunshine in August:
6h and 18min - Average sunshine in September:
5h and 42min - Average sunshine in October:
3h and 42min - Average sunshine in November:
3h and 24min - Average sunshine in December:
3h and 6min
The month with the most sunshine is May (Average sunshine: 7h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days
Dolgellau, United Kingdom
- Average sunshine days in January:
6.9 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
11 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
8.3 days - Average sunshine days in August:
7.7 days - Average sunshine days in September:
9.7 days - Average sunshine days in October:
9.5 days - Average sunshine days in November:
6.4 days - Average sunshine days in December:
7.1 days
The month with the most sunshine days is March (11.7 days).
The month with the least sunshine days is November (6.4 days).
Average UV index
Dolgellau, United Kingdom
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Dolgellau, United Kingdom
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility
Dolgellau, United Kingdom
The months with the highest visibility are March, April, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September and October (8km).
