Climate and monthly weather forecastLlanystumdwy, United Kingdom
Llanystumdwy, United Kingdom - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. In Llanystumdwy, United Kingdom, during the entire year, snow falls for 3.5 days and aggregates up to 17mm (0.67") of snow. The month with the longest days in Llanystumdwy is June, with an average of 16h and 48min of daylight.
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Llanystumdwy, United Kingdom, with temperature in the range of an average low of 6°C (42.8°F) and an average high of 8°C (46.4°F). The advent of January reveals an average high-temperature of a still chilly 8°C (46.4°F), showing minimal difference from the prior month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Llanystumdwy, United Kingdom, with an average temperature fluctuating between 5.7°C (42.3°F) and 7.7°C (45.9°F). February is the month that records the lowest temperatures, with averages ranging from a high of 7.7°C (45.9°F) to a low of 5.7°C (42.3°F). Weather in February »Weather in March
March, the first month of the spring in Llanystumdwy, is also a frosty month, with an average temperature fluctuating between 8.3°C (46.9°F) and 5.8°C (42.4°F). March commences with an average high-temperature of a still frosty 8.3°C (46.9°F), showing little deviation from February's 7.7°C (45.9°F). Weather in March »Weather in April
April in Llanystumdwy, United Kingdom, is a fresh spring month, with an average temperature fluctuating between 10.3°C (50.5°F) and 7.6°C (45.7°F). As March transitions into April, the average high-temperature rests at a fresh 10.3°C (50.5°F), maintaining a close resemblance to the previous month. Weather in April »Weather in May
The last month of the spring, May, is also a fresh month in Llanystumdwy, United Kingdom, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 12.2°C (54°F). The transition from April to May brings an average high-temperature of a still cool 12.2°C (54°F), barely different from April's 10.3°C (50.5°F). Weather in May »Weather in June
June, the first month of the summer in Llanystumdwy, is a refreshing month, with temperature in the range of an average low of 12°C (53.6°F) and an average high of 14.8°C (58.6°F). The start of June sees the average high-temperature at a refreshing 14.8°C (58.6°F), showing little difference from May's 12.2°C (54°F). Weather in June »Weather in July
July in Llanystumdwy, United Kingdom, is a refreshing summer month, with an average temperature varying between 13.5°C (56.3°F) and 16.1°C (61°F). The transition into July notes an average high-temperature of a comfortable 16.1°C (61°F), revealing a mild distinction from the 14.8°C (58.6°F) in June. Weather in July »Weather in August
August, the last month of the summer in Llanystumdwy, is another refreshing month, with an average temperature fluctuating between 16.3°C (61.3°F) and 14.1°C (57.4°F). Llanystumdwy's August weather, with an average high temperature of 16.3°C (61.3°F) and an average low temperature of 14.1°C (57.4°F), tends to be the warmest of the year. Weather in August »Weather in September
The first month of the autumn, September, is also a moderate month in Llanystumdwy, United Kingdom, with an average temperature varying between 13.4°C (56.1°F) and 15.4°C (59.7°F). The introduction of September sees an average high-temperature of a still refreshing 15.4°C (59.7°F), hardly deviating from August. Weather in September »Weather in October
October, the same as September, in Llanystumdwy, United Kingdom, is a moderate autumn month, with an average temperature varying between 11.7°C (53.1°F) and 13.6°C (56.5°F). Llanystumdwy indicates an average high-temperature of a still moderate 13.6°C (56.5°F) in October, showing minor variation from September's 15.4°C (59.7°F). Weather in October »Weather in November
November, the last month of the autumn in Llanystumdwy, is another cool month, with temperature in the range of an average high of 10.8°C (51.4°F) and an average low of 9°C (48.2°F). November's arrival brings an average high-temperature of a cool 10.8°C (51.4°F), slightly deviating from October's 13.6°C (56.5°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Llanystumdwy, United Kingdom, with an average temperature fluctuating between 7.3°C (45.1°F) and 9.4°C (48.9°F). Llanystumdwy observes a minor difference in average high-temperatures between November's 10.8°C (51.4°F) and December's 9.4°C (48.9°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Llanystumdwy, United Kingdom
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.7°C).
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5.7°C).
Average pressure
Llanystumdwy, United Kingdom
- Average pressure in January:
1012.4mbar - Average pressure in February:
1012mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1015mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1015.4mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1013.4mbar - Average pressure in September:
1015.8mbar - Average pressure in October:
1013.5mbar - Average pressure in November:
1008.9mbar - Average pressure in December:
1012.1mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed
Llanystumdwy, United Kingdom
- Average wind speed in January:
28.7km/h - Average wind speed in February:
28.1km/h - Average wind speed in March:
23.3km/h - Average wind speed in April:
19.6km/h - Average wind speed in May:
19.6km/h - Average wind speed in June:
18km/h
- Average wind speed in July:
18.6km/h - Average wind speed in August:
21.2km/h - Average wind speed in September:
22.6km/h - Average wind speed in October:
25.4km/h - Average wind speed in November:
28.6km/h - Average wind speed in December:
30.9km/h
The windiest month (with the highest average wind speed) is December (30.9km/h).
The calmest month (with the lowest average wind speed) is June (18km/h).
Average humidity
Llanystumdwy, United Kingdom
The months with the highest relative humidity are June, July and August (84%).
The month with the lowest relative humidity is November (79%).
Average rainfall
Llanystumdwy, United Kingdom
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days
Llanystumdwy, United Kingdom
- Average rainfall days in January:
20.6 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
16.2 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
18.4 days - Average rainfall days in August:
21.8 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
19.6 days - Average rainfall days in November:
22.5 days - Average rainfall days in December:
23.1 days
The month with the highest number of rainy days is December (23.1 days).
The month with the least rainy days is April (14.5 days).
Average snowfall
Llanystumdwy, United Kingdom
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Llanystumdwy, United Kingdom
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
1.1 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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:
0 days - Average snowfall days in December:
0.7 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Llanystumdwy, United Kingdom
- Average daylight in January:
8h and 12min - 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 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 18min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
7h and 48min - Average sunshine in August:
7h and 18min - Average sunshine in September:
6h and 42min - Average sunshine in October:
4h and 6min - Average sunshine in November:
3h and 48min - Average sunshine in December:
3h and 24min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days
Llanystumdwy, United Kingdom
- Average sunshine days in January:
7 days - Average sunshine days in February:
7.5 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
6.9 days - Average sunshine days in September:
9.4 days - Average sunshine days in October:
8 days - Average sunshine days in November:
5.6 days - Average sunshine days in December:
4.5 days
The months with the most sunshine days are April and May (13.5 days).
The month with the least sunshine days is December (4.5 days).
Average UV index
Llanystumdwy, 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 and December (UV index 2).
Average cloud cover
Llanystumdwy, United Kingdom
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility
Llanystumdwy, United Kingdom
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
