Climate and monthly weather forecastLlansannan, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Llansannan, United Kingdom, is another chilly winter month, with an average temperature varying between 6.3°C (43.3°F) and 2.5°C (36.5°F). Lowest temperatures are observed in January and February, averaging a high-temperature of 6.3°C (43.3°F). Weather in January »Weather in February
February, the last month of the winter in Llansannan, is another chilly month, with temperature in the range of an average low of 2.5°C (36.5°F) and an average high of 6.3°C (43.3°F). January and February bring Llansannan's lowest average temperatures, reaching a high of 6.3°C (43.3°F). Weather in February »Weather in March
March, the first month of the spring in Llansannan, is also a frosty month, with an average temperature varying between 2.9°C (37.2°F) and 8.5°C (47.3°F). The onset of March brings with it an average high-temperature of a still chilly 8.5°C (47.3°F), showing a negligible variation from the month before. Weather in March »Weather in April
April in Llansannan, United Kingdom, is a cool spring month, with an average temperature ranging between min 4.5°C (40.1°F) and max 11°C (51.8°F). The shift into April finds Llansannan at an average high-temperature of a fresh 11°C (51.8°F), closely comparable to March's conditions. Weather in April »Weather in May
May, the last month of the spring in Llansannan, is a moderate month, with an average temperature fluctuating between 13.5°C (56.3°F) and 6.8°C (44.2°F). At the start of May, Llansannan's average high-temperature reaches a moderate 13.5°C (56.3°F), subtly different from the preceding month. Weather in May »Weather in June
June, the first month of the summer in Llansannan, is a comfortable month, with an average temperature varying between 16°C (60.8°F) and 9.4°C (48.9°F). The advent of June presents an average high-temperature of a still refreshing 16°C (60.8°F), maintaining a close correlation with the preceding month. Weather in June »Weather in July
July, the same as June, is another enjoyable summer month in Llansannan, United Kingdom, with temperature in the range of an average high of 17.5°C (63.5°F) and an average low of 11.5°C (52.7°F). July is the month when Llansannan's temperatures reach their peak, with averages of 17.5°C (63.5°F) and lows of 11.5°C (52.7°F). Weather in July »Weather in August
August, the last month of the summer in Llansannan, is another refreshing month, with an average temperature varying between 11.8°C (53.2°F) and 17.2°C (63°F). The arrival of August sees a recorded average high-temperature of a still comfortable 17.2°C (63°F), showing little divergence from the previous month's conditions. Weather in August »Weather in September
September, the first month of the autumn in Llansannan, is also a moderate month, with an average temperature fluctuating between 15.3°C (59.5°F) and 10°C (50°F). With the advent of September, Llansannan experiences an average high-temperature of a still refreshing 15.3°C (59.5°F), mirroring a close resemblance to the previous month. Weather in September »Weather in October
October, the same as September, is a cool autumn month in Llansannan, United Kingdom, with an average temperature varying between 12.5°C (54.5°F) and 7.9°C (46.2°F). Llansannan measures an average high-temperature of a fresh 12.5°C (54.5°F) in October, nearly consistent with the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Llansannan, is another chilly month, with an average temperature varying between 9°C (48.2°F) and 5.4°C (41.7°F). A mild drop in Llansannan's average high-temperature is observed in November, transitioning from a fresh 12.5°C (54.5°F) in October to a frosty 9°C (48.2°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Llansannan, United Kingdom, with an average temperature fluctuating between 7.2°C (45°F) and 3.6°C (38.5°F). The transition from November to December sees an average high-temperature of a still chilly 7.2°C (45°F), indicating a minor variance from the prior month. 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
January and February, when the average high-temperature reaches 6.3°C (43.3°F), are the coldest months.
January, November and December, with an average relative humidity of 88%, are most humid months in Llansannan, United Kingdom.
Throughout the year, there are 176 rainfall days, and 343mm (13.5") of precipitation is accumulated.
Months with snowfall in Llansannan, United Kingdom, are January through April, October through December.
January is the month with the most snowfall. Snow falls for 4.7 days and accumulates 35mm (1.38") of snow.
Throughout the year, in Llansannan, United Kingdom, there are 19.4 snowfall days, and 116mm (4.57") of snow is accumulated.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The months with the lowest humidity in Llansannan, United Kingdom, are April and May, with an average relative humidity of 82%.
April is the month with the least rainfall. Rain falls for 12.5 days and accumulates 20mm (0.79") of precipitation.
In Llansannan, snow does not fall in May through September.
May has the most sunshine of the year in Llansannan, with an average of 7.2h of sunshine.
May through August, with an average maximum UV index of 4, are months with the highest UV index.
June has the longest days of the year, with an average of 16h and 54min of daylight.
July is the month that records the highest temperatures in Llansannan, United Kingdom, with averages ranging from a high of 17.5°C (63.5°F) to a low of 11.5°C (52.7°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Llansannan, 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.
The month with the most rainfall is November, when the rain falls for 17.6 days and typically aggregates up to 39mm (1.54") of precipitation.
The month with the least sunshine in Llansannan is November, with an average of 3.2h of sunshine.
December has the shortest days of the year in Llansannan, United Kingdom, with an average of 7h and 36min of daylight.
Average temperature
Llansannan, United Kingdom
The warmest month (with the highest average high temperature) is July (17.5°C).
The months with the lowest average high temperature are January and February (6.3°C).
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.5°C).
Average pressure
Llansannan, United Kingdom
- Average pressure in January:
1012.4mbar - Average pressure in February:
1012mbar - Average pressure in March:
1014.5mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1015.4mbar
- Average pressure in July:
1014.2mbar - Average pressure in August:
1013.3mbar - Average pressure in September:
1015.7mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1009mbar - Average pressure in December:
1012mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed
Llansannan, United Kingdom
- Average wind speed in January:
19.1km/h - Average wind speed in February:
18.6km/h - Average wind speed in March:
16.4km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
13.9km/h - Average wind speed in June:
12.4km/h
- Average wind speed in July:
12.6km/h - Average wind speed in August:
14km/h - Average wind speed in September:
14.8km/h - Average wind speed in October:
16.2km/h - Average wind speed in November:
18.1km/h - Average wind speed in December:
19.5km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest month (with the lowest average wind speed) is June (12.4km/h).
Average humidity
Llansannan, United Kingdom
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall
Llansannan, United Kingdom
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days
Llansannan, United Kingdom
- Average rainfall days in January:
13.1 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
17.6 days - Average rainfall days in December:
15.2 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is February (11.7 days).
Average snowfall
Llansannan, United Kingdom
The month with the highest snowfall is January (35mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Llansannan, United Kingdom
- Average snowfall days in January:
4.7 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.9 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:
0.1 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Llansannan, 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 54min - Average daylight in June:
16h and 54min
- Average daylight in July:
16h and 24min - 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 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 0min - Average sunshine in May:
7h and 12min - Average sunshine in June:
6h and 54min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
6h and 42min - Average sunshine in September:
6h and 6min - Average sunshine in October:
3h and 48min - Average sunshine in November:
3h and 12min - Average sunshine in December:
3h and 36min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days
Llansannan, United Kingdom
- Average sunshine days in January:
11.5 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
13 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
9.4 days - Average sunshine days in September:
11.6 days - Average sunshine days in October:
10.7 days - Average sunshine days in November:
7.9 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is April (13.1 days).
The month with the least sunshine days is November (7.9 days).
Average UV index
Llansannan, 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
Llansannan, United Kingdom
The month with the most cloud cover is November (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility
Llansannan, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
