Climate and monthly weather forecastLlandecwyn, United Kingdom
Climate and monthly weather forecast
Weather in January
January, like December, in Llandecwyn, United Kingdom, is a wintry winter month, with temperature in the range of an average low of 1.9°C (35.4°F) and an average high of 5.6°C (42.1°F). In Llandecwyn, the month of January is known for its lowest average temperatures, reaching a high of 5.6°C (42.1°F) and a low of 1.9°C (35.4°F). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Llandecwyn, United Kingdom, with an average temperature varying between 5.9°C (42.6°F) and 1.5°C (34.7°F). Llandecwyn's transition from January to February introduces an average high-temperature of a still icy 5.9°C (42.6°F), marking an insignificant variation from the 5.6°C (42.1°F). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Llandecwyn, United Kingdom, with an average temperature fluctuating between 8.1°C (46.6°F) and 1.9°C (35.4°F). As March unfolds, the average high-temperature reaches a chilly 8.1°C (46.6°F), hinting at a slight fluctuation from the previous month. Weather in March »Weather in April
April in Llandecwyn, United Kingdom, is a cool spring month, with temperature in the range of an average high of 11°C (51.8°F) and an average low of 3.9°C (39°F). Llandecwyn greets April with an average high-temperature of a cool 11°C (51.8°F), marking a slight deviation from the preceding month. Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Llandecwyn, United Kingdom, with an average temperature ranging between min 6.1°C (43°F) and max 13.6°C (56.5°F). Llandecwyn's transition from April to May introduces an average high-temperature of a mild 13.6°C (56.5°F), marking an insignificant variation from the 11°C (51.8°F). Weather in May »Weather in June
The first month of the summer, June, is still a mild month in Llandecwyn, United Kingdom, with an average temperature fluctuating between 15.9°C (60.6°F) and 8.5°C (47.3°F). The unfolding of June shows an average high-temperature of a still mild 15.9°C (60.6°F), indicating a slight variance from May's 13.6°C (56.5°F). Weather in June »Weather in July
July in Llandecwyn, United Kingdom, is a refreshing summer month, with an average temperature ranging between max 17.2°C (63°F) and min 10.3°C (50.5°F). Llandecwyn experiences its highest temperatures in July, with an average peak of 17.2°C (63°F) and a low of 10.3°C (50.5°F). Weather in July »Weather in August
The last month of the summer, August, is another refreshing month in Llandecwyn, United Kingdom, with temperature in the range of an average high of 16.5°C (61.7°F) and an average low of 10.6°C (51.1°F). August's commencement is accompanied by an average high-temperature of a still refreshing 16.5°C (61.7°F), diverging marginally from July's 17.2°C (63°F). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Llandecwyn, United Kingdom, with an average temperature fluctuating between 8.7°C (47.7°F) and 14.8°C (58.6°F). Llandecwyn in September witnesses an average high-temperature of a still refreshing 14.8°C (58.6°F), indicating a slight variation from August's 16.5°C (61.7°F). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Llandecwyn, United Kingdom, with an average temperature fluctuating between 7.2°C (45°F) and 12.1°C (53.8°F). October's onset sees an average high-temperature of a fresh 12.1°C (53.8°F), exhibiting a slight fluctuation from the previous month. Weather in October »Weather in November
November, the last month of the autumn in Llandecwyn, is also a frosty month, with an average temperature ranging between max 8.5°C (47.3°F) and min 4.6°C (40.3°F). Transitioning from October to November involves a subtle drop in average high-temperatures, descending from a fresh 12.1°C (53.8°F) to a chilly 8.5°C (47.3°F). Weather in November »Weather in December
December, the first month of the winter in Llandecwyn, is also a frosty month, with temperature in the range of an average high of 6.6°C (43.9°F) and an average low of 3°C (37.4°F). The commencement of December brings an average high-temperature of a still frosty 6.6°C (43.9°F), marking an inconsequential divergence from November. 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 stands out as Llandecwyn's coldest month, with temperatures ranging between an average high of 5.6°C (42.1°F) and a low of 1.9°C (35.4°F).
January and December, with an average relative humidity of 91%, are most humid months in Llandecwyn, United Kingdom.
In Llandecwyn, United Kingdom, during the entire year, the rain falls for 230 days and collects up to 940mm (37.01") of precipitation.
Months with snowfall are January through April, November and December.
January is the month with the most snowfall in Llandecwyn, United Kingdom. Snow falls for 6.1 days and accumulates 70mm (2.76") of snow.
In Llandecwyn, during the entire year, snow falls for 22.5 days and aggregates up to 260mm (10.24") of snow.
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 2.
April and May, with an average relative humidity of 84%, are the least humid months.
April and May are months with the least rain in Llandecwyn, United Kingdom, when the rain falls for 17.4 days and typically aggregates up to 52mm (2.05") of rain.
May through October are months without snowfall.
The months with the most sunshine in Llandecwyn, United Kingdom, are May and June, with an average of 6.2h of sunshine.
May, June and August, with an average maximum UV index of 4, are months with the highest UV index in Llandecwyn, United Kingdom.
With an average of 16h and 48min of daylight, June has the longest days of the year in Llandecwyn.
July brings the highest temperatures, with an average high of 17.2°C (63°F) and an average low of 10.3°C (50.5°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, 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 in Llandecwyn. Rain falls for 20.8 days and accumulates 103mm (4.06") of precipitation.
With an average of 7h and 42min of daylight, December has the shortest days of the year.
The month with the least sunshine in Llandecwyn is December, with an average of 2.5h of sunshine.
Average temperature
Llandecwyn, 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 (5.6°C).
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure
Llandecwyn, United Kingdom
- Average pressure in January:
1012.6mbar - Average pressure in February:
1012.1mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1016.3mbar - Average pressure in June:
1015.4mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1015.9mbar - Average pressure in October:
1013.7mbar - Average pressure in November:
1009.1mbar - Average pressure in December:
1012.3mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed
Llandecwyn, United Kingdom
- Average wind speed in January:
16.8km/h - Average wind speed in February:
17km/h - Average wind speed in March:
15km/h - Average wind speed in April:
12.3km/h - Average wind speed in May:
12.5km/h - Average wind speed in June:
11.2km/h
- Average wind speed in July:
11.5km/h - Average wind speed in August:
12.7km/h - Average wind speed in September:
12.7km/h - Average wind speed in October:
14.1km/h - Average wind speed in November:
15.5km/h - Average wind speed in December:
17.8km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity
Llandecwyn, United Kingdom
The months with the highest relative humidity are January and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall
Llandecwyn, United Kingdom
The wettest month (with the highest rainfall) is December (103mm).
The driest months (with the least rainfall) are April and May (52mm).
Average rainfall days
Llandecwyn, United Kingdom
- Average rainfall days in January:
18.7 days - Average rainfall days in February:
15.3 days - Average rainfall days in March:
16.5 days - Average rainfall days in April:
17.4 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
21.8 days - Average rainfall days in August:
22.4 days - Average rainfall days in September:
18.3 days - Average rainfall days in October:
19.5 days - Average rainfall days in November:
21.4 days - Average rainfall days in December:
20.8 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (15.3 days).
Average snowfall
Llandecwyn, United Kingdom
The month with the highest snowfall is January (70mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Llandecwyn, United Kingdom
- Average snowfall days in January:
6.1 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
3.4 days - Average snowfall days in April:
0.8 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:
0.1 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Llandecwyn, 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:
2h and 48min - Average sunshine in February:
2h and 48min - Average sunshine in March:
4h and 36min - Average sunshine in April:
6h and 0min - Average sunshine in May:
6h and 12min - Average sunshine in June:
6h and 12min
- Average sunshine in July:
6h and 0min - Average sunshine in August:
5h and 12min - Average sunshine in September:
4h and 54min - Average sunshine in October:
3h and 6min - Average sunshine in November:
2h and 42min - Average sunshine in December:
2h and 30min
The months with the most sunshine are May and June (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days
Llandecwyn, United Kingdom
- Average sunshine days in January:
7 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
9.1 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
7.1 days - Average sunshine days in August:
5.9 days - Average sunshine days in September:
8.5 days - Average sunshine days in October:
8.4 days - Average sunshine days in November:
6 days - Average sunshine days in December:
6.5 days
The month with the most sunshine days is March (10.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index
Llandecwyn, United Kingdom
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover
Llandecwyn, United Kingdom
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility
Llandecwyn, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (8km).
The months with the lowest visibility are August and September (7km).
