Climate and monthly weather forecastLlannon, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Llannon, United Kingdom, is a frosty winter month, with an average temperature varying between 7.8°C (46°F) and 4.7°C (40.5°F). As Llannon, United Kingdom, steps into January, the average high-temperature is measured at a still frosty 7.8°C (46°F), displaying minor differences from December's 8.7°C (47.7°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Llannon, United Kingdom, with an average temperature varying between 4.5°C (40.1°F) and 7.7°C (45.9°F). Llannon witnesses the coldest weather in February, with temperatures averaging a high of 7.7°C (45.9°F) and a low of 4.5°C (40.1°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Llannon, United Kingdom, with an average temperature fluctuating between 9.3°C (48.7°F) and 4.6°C (40.3°F). Entering March, Llannon's average high-temperature reads a still chilly 9.3°C (48.7°F), indicating a close resemblance to the previous month's climate. Weather in March »Weather in April
April is a cool spring month in Llannon, United Kingdom, with an average temperature ranging between max 11.8°C (53.2°F) and min 6.3°C (43.3°F). Llannon, United Kingdom, marks the onset of April with an average high-temperature of a cool 11.8°C (53.2°F), subtly divergent from March's 9.3°C (48.7°F). Weather in April »Weather in May
May, the last month of the spring in Llannon, is a refreshing month, with an average temperature ranging between max 13.9°C (57°F) and min 8.7°C (47.7°F). The shift to May signals an average high-temperature of a moderate 13.9°C (57°F), subtly varied from April's 11.8°C (53.2°F). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Llannon, United Kingdom, with temperature in the range of an average high of 16.4°C (61.5°F) and an average low of 11.1°C (52°F). The advent of June presents an average high-temperature of a still refreshing 16.4°C (61.5°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 Llannon, United Kingdom, with temperature in the range of an average low of 13.1°C (55.6°F) and an average high of 17.8°C (64°F). Llannon registers the highest average temperatures during the month of July, with peaks of 17.8°C (64°F) and lows of 13.1°C (55.6°F). Weather in July »Weather in August
August, the last month of the summer in Llannon, is also an enjoyable month, with temperature in the range of an average high of 17.5°C (63.5°F) and an average low of 13.6°C (56.5°F). Llannon, United Kingdom, greets August with an average high-temperature of a still refreshing 17.5°C (63.5°F), marking a slight deviation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Llannon, United Kingdom, with an average temperature ranging between max 16.4°C (61.5°F) and min 11.9°C (53.4°F). With the onset of September, the average high-temperature registers at a still comfortable 16.4°C (61.5°F), subtly different from August's 17.5°C (63.5°F). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Llannon, United Kingdom, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 13.9°C (57°F). The shift to October signals an average high-temperature of a still refreshing 13.9°C (57°F), subtly varied from September's 16.4°C (61.5°F). Weather in October »Weather in November
November, the last month of the autumn in Llannon, is also a fresh month, with an average temperature fluctuating between 7.6°C (45.7°F) and 10.5°C (50.9°F). November indicates a minor shift in the average high-temperature, from October's refreshing 13.9°C (57°F) to a cool 10.5°C (50.9°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Llannon, United Kingdom, with an average temperature varying between 6.1°C (43°F) and 8.7°C (47.7°F). Llannon marks the arrival of December with an average high-temperature of a chilly 8.7°C (47.7°F), hardly different from November's 10.5°C (50.9°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
January, August, October through December, with an average relative humidity of 85%, are most humid months in Llannon, United Kingdom.
Throughout the year, there are 219.6 rainfall days, and 745mm (29.33") of precipitation is accumulated.
Months with snowfall are January through March and December.
Throughout the year, there are 3.9 snowfall days, and 20mm (0.79") of snow is accumulated.
With an average of 3.7h of sunshine, January has the least sunshine of the year in Llannon, United Kingdom.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
In Llannon, February is known for its average lowest temperatures, reaching a high of 7.7°C (45.9°F) and a low of 4.5°C (40.1°F).
The least humid month is April, with an average relative humidity of 81%.
In Llannon, United Kingdom, snow does not fall in April through November.
The months with the most sunshine are April and May, with an average of 8.2h of sunshine.
May is the month with the least rainfall in Llannon. Rain falls for 15.9 days and accumulates 37mm (1.46") of precipitation.
May through September, 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 36min of daylight.
The average temperatures reach their apex in July, averaging 17.8°C (64°F) at the high end and 13.1°C (55.6°F) at the low end.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Llannon, 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 December, when the rain falls for 21.5 days and typically aggregates up to 84mm (3.31") of precipitation.
December is the month with the most snowfall in Llannon, United Kingdom. Snow falls for 0.9 days and accumulates 8mm (0.31") of snow.
With an average of 7h and 54min of daylight, December has the shortest days of the year in Llannon.
Average temperature
Llannon, United Kingdom
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.7°C).
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (4.5°C).
Average pressure
Llannon, United Kingdom
- Average pressure in January:
1013.7mbar - Average pressure in February:
1013.1mbar - Average pressure in March:
1015.2mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1015.1mbar - Average pressure in August:
1014.5mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1014.3mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1013.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed
Llannon, United Kingdom
- Average wind speed in January:
23km/h - Average wind speed in February:
23.3km/h - Average wind speed in March:
20.1km/h - Average wind speed in April:
16.8km/h - Average wind speed in May:
16.2km/h - Average wind speed in June:
15.4km/h
- Average wind speed in July:
15.8km/h - Average wind speed in August:
17.2km/h - Average wind speed in September:
18.1km/h - Average wind speed in October:
20.2km/h - Average wind speed in November:
22.6km/h - Average wind speed in December:
23.9km/h
The windiest month (with the highest average wind speed) is December (23.9km/h).
The calmest month (with the lowest average wind speed) is June (15.4km/h).
Average humidity
Llannon, United Kingdom
The months with the highest relative humidity are January, August, October, November and December (85%).
The month with the lowest relative humidity is April (81%).
Average rainfall
Llannon, United Kingdom
The wettest month (with the highest rainfall) is December (84mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days
Llannon, United Kingdom
- Average rainfall days in January:
20.1 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
16 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
21.2 days - Average rainfall days in September:
17.5 days - Average rainfall days in October:
18.7 days - Average rainfall days in November:
20.6 days - Average rainfall days in December:
21.5 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is April (15.1 days).
Average snowfall
Llannon, United Kingdom
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Llannon, United Kingdom
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0.1 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:
0.3 days - Average snowfall days in December:
0.9 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Llannon, United Kingdom
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 42min - Average daylight in June:
16h and 36min
- Average daylight in July:
16h and 6min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
8h and 54min - Average daylight in December:
7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 12min - Average sunshine in June:
7h and 54min
- Average sunshine in July:
7h and 54min - Average sunshine in August:
7h and 30min - Average sunshine in September:
7h and 0min - Average sunshine in October:
4h and 30min - Average sunshine in November:
4h and 6min - Average sunshine in December:
3h and 48min
The months with the most sunshine are April and May (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Llannon, United Kingdom
- Average sunshine days in January:
7.8 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
6.5 days - Average sunshine days in September:
9.7 days - Average sunshine days in October:
8.6 days - Average sunshine days in November:
7.6 days - Average sunshine days in December:
7 days
The month with the most sunshine days is May (12.8 days).
The month with the least sunshine days is August (6.5 days).
Average UV index
Llannon, United Kingdom
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Llannon, United Kingdom
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility
Llannon, 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).
