Climate and monthly weather forecastLlanrhian, United Kingdom
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Llanrhian, United Kingdom, with an average temperature ranging between min 6.3°C (43.3°F) and max 8.4°C (47.1°F). Llanrhian, United Kingdom, records an average high-temperature of a chilly 8.4°C (47.1°F) in January, closely mirroring the climate of the previous month. Weather in January »Weather in February
February, the last month of the winter in Llanrhian, is another chilly month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 8.3°C (46.9°F). February tends to be the coldest month, with temperatures averaging a daily high of 8.3°C (46.9°F) and a low of 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 Llanrhian, United Kingdom, with an average temperature ranging between min 6.1°C (43°F) and max 9.1°C (48.4°F). March's onset brings an average high-temperature of a still chilly 9.1°C (48.4°F), showing a minute difference from February's 8.3°C (46.9°F). Weather in March »Weather in April
April in Llanrhian, United Kingdom, is a fresh spring month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 10.8°C (51.4°F). The arrival of April marks a slight shift to an average high-temperature of a cool 10.8°C (51.4°F) from March's 9.1°C (48.4°F). Weather in April »Weather in May
May, the last month of the spring in Llanrhian, is a refreshing month, with temperature in the range of an average high of 13°C (55.4°F) and an average low of 9.8°C (49.6°F). Llanrhian registers an average high-temperature of a mild 13°C (55.4°F) at the commencement of May, closely related to the preceding month. Weather in May »Weather in June
June, the first month of the summer in Llanrhian, is also a moderate month, with an average temperature varying between 12.2°C (54°F) and 15.3°C (59.5°F). Stepping into June, Llanrhian records an average high-temperature of a still mild 15.3°C (59.5°F), almost consistent with May. Weather in June »Weather in July
July in Llanrhian, United Kingdom, is a comfortable summer month, with temperature in the range of an average high of 16.8°C (62.2°F) and an average low of 14.2°C (57.6°F). July's advent denotes a minor fluctuation in the average high-temperature to an enjoyable 16.8°C (62.2°F) from June's 15.3°C (59.5°F). Weather in July »Weather in August
August, the last month of the summer in Llanrhian, is also an enjoyable month, with an average temperature fluctuating between 17°C (62.6°F) and 14.7°C (58.5°F). Temperature records mark August as the warmest month, with highs averaging 17°C (62.6°F) and lows at 14.7°C (58.5°F). Weather in August »Weather in September
September, the first month of the autumn in Llanrhian, is still a refreshing month, with an average temperature fluctuating between 13.4°C (56.1°F) and 15.8°C (60.4°F). With September's arrival, Llanrhian's weather records an average high-temperature of a mild 15.8°C (60.4°F), marking little difference from August's 17°C (62.6°F). Weather in September »Weather in October
October, like September, is another mild autumn month in Llanrhian, United Kingdom, with an average temperature fluctuating between 11.7°C (53.1°F) and 14.2°C (57.6°F). With October's arrival, Llanrhian's weather records an average high-temperature of a still refreshing 14.2°C (57.6°F), marking little difference from September's 15.8°C (60.4°F). Weather in October »Weather in November
November, the last month of the autumn in Llanrhian, is another cool month, with an average temperature varying between 11.3°C (52.3°F) and 9.2°C (48.6°F). With the transition into November, Llanrhian notes an average high-temperature of a fresh 11.3°C (52.3°F), closely resembling October. Weather in November »Weather in December
December, the first month of the winter in Llanrhian, is also a fresh month, with an average temperature varying between 10°C (50°F) and 7.9°C (46.2°F). The onset of December notes an average high-temperature of a still cool 10°C (50°F), subtly shifted from November's 11.3°C (52.3°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
Throughout the year, in Llanrhian, there are 225.4 rainfall days, and 791mm (31.14") of precipitation is accumulated.
Months with snowfall are January through March, November and December.
The months with the most snowfall in Llanrhian are January and February, with an average 6mm (0.24") of accumulated snow.
Throughout the year, there are 3 snowfall days, and 18mm (0.71") of snow is accumulated.
The months with the lowest UV index in Llanrhian are January, February and December, with an average maximum UV index of 2.
In Llanrhian, United Kingdom, the average lowest temperatures are observed in February, with a high of 8.3°C (46.9°F) and a low of 5.8°C (42.4°F).
In Llanrhian, United Kingdom, snow does not fall in April through October.
May is the month with the least rainfall. Rain falls for 14.8 days and accumulates 34mm (1.34") of precipitation.
May has the most sunshine of the year, with an average of 8.5h of sunshine.
May through October, with an average maximum UV index of 4, are months with the highest UV index in Llanrhian, United Kingdom.
With an average of 16h and 36min of daylight, June has the longest days of the year.
July is the most humid month in Llanrhian, with an average relative humidity of 84%.
Llanrhian experiences its average highest temperatures in August, reaching a peak of 17°C (62.6°F) and a minimum of 14.7°C (58.5°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Llanrhian, 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 least humid month in Llanrhian is November, with an average relative humidity of 80%.
The month with the most rainfall is November, when the rain falls for 23.2 days and typically aggregates up to 108mm (4.25") of precipitation.
With an average of 7h and 54min of daylight, December has the shortest days of the year.
With an average of 3.7h of sunshine, December has the least sunshine of the year.
Average temperature
Llanrhian, United Kingdom
The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is February (8.3°C).
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure
Llanrhian, United Kingdom
- Average pressure in January:
1013.3mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1015.1mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1016.6mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1014.3mbar - Average pressure in September:
1016.5mbar - Average pressure in October:
1014mbar - Average pressure in November:
1009.4mbar - Average pressure in December:
1013.2mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed
Llanrhian, United Kingdom
- Average wind speed in January:
28.5km/h - Average wind speed in February:
28.5km/h - Average wind speed in March:
23.7km/h - Average wind speed in April:
20.2km/h - Average wind speed in May:
19.5km/h - Average wind speed in June:
18.8km/h
- Average wind speed in July:
19km/h - Average wind speed in August:
21.8km/h - Average wind speed in September:
23.1km/h - Average wind speed in October:
25.7km/h - Average wind speed in November:
28.9km/h - Average wind speed in December:
30.8km/h
The windiest month (with the highest average wind speed) is December (30.8km/h).
The calmest month (with the lowest average wind speed) is June (18.8km/h).
Average humidity
Llanrhian, United Kingdom
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (80%).
Average rainfall
Llanrhian, United Kingdom
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is May (34mm).
Average rainfall days
Llanrhian, United Kingdom
- Average rainfall days in January:
20.6 days - Average rainfall days in February:
17.6 days - Average rainfall days in March:
17 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
20.5 days - Average rainfall days in September:
17.8 days - Average rainfall days in October:
20.2 days - Average rainfall days in November:
23.2 days - Average rainfall days in December:
22.6 days
The month with the highest number of rainy days is November (23.2 days).
The month with the least rainy days is May (14.8 days).
Average snowfall
Llanrhian, United Kingdom
The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Llanrhian, United Kingdom
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.5 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:
0.2 days - Average snowfall days in December:
0.7 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Llanrhian, 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 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - 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 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 30min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
8h and 12min - Average sunshine in August:
7h and 54min - Average sunshine in September:
7h and 12min - Average sunshine in October:
4h and 30min - Average sunshine in November:
3h and 48min - Average sunshine in December:
3h and 42min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days
Llanrhian, United Kingdom
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
6.9 days - Average sunshine days in September:
9.5 days - Average sunshine days in October:
7.3 days - Average sunshine days in November:
4.5 days - Average sunshine days in December:
4.5 days
The month with the most sunshine days is May (13.7 days).
The months with the least sunshine days are November and December (4.5 days).
Average UV index
Llanrhian, United Kingdom
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Llanrhian, United Kingdom
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 45).
Average visibility
Llanrhian, United Kingdom
The months with the highest visibility are February, March, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (9km).
