Climate and monthly weather forecastLlanwrthwl, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Llanwrthwl, United Kingdom, with temperature in the range of an average low of 0.9°C (33.6°F) and an average high of 5.3°C (41.5°F). Llanwrthwl, United Kingdom, witnesses the coldest weather in January, with temperatures averaging a high of 5.3°C (41.5°F) and a low of 0.9°C (33.6°F). Weather in January »Weather in February
February, the last month of the winter in Llanwrthwl, is also a wintry month, with an average temperature fluctuating between 5.9°C (42.6°F) and 0.9°C (33.6°F). February brings an average high-temperature of a still wintry 5.9°C (42.6°F), showing a slight difference from January's 5.3°C (41.5°F). Weather in February »Weather in March
March, the first month of the spring in Llanwrthwl, is a frosty month, with temperature in the range of an average low of 1.3°C (34.3°F) and an average high of 8.5°C (47.3°F). Llanwrthwl, United Kingdom, records a slight change with March's average high-temperatures adjusting to a frosty 8.5°C (47.3°F) from February's 5.9°C (42.6°F). Weather in March »Weather in April
April is a fresh spring month in Llanwrthwl, United Kingdom, with an average temperature fluctuating between 11.4°C (52.5°F) and 3.2°C (37.8°F). The onset of April brings an average high-temperature of a cool 11.4°C (52.5°F), nearly matching the March temperature. Weather in April »Weather in May
May, the last month of the spring in Llanwrthwl, is a moderate month, with an average temperature fluctuating between 5.5°C (41.9°F) and 13.8°C (56.8°F). May observes an average high-temperature of a mild 13.8°C (56.8°F), marking an insignificant difference from April's 11.4°C (52.5°F). Weather in May »Weather in June
June, the first month of the summer in Llanwrthwl, is a refreshing month, with an average temperature varying between 8.2°C (46.8°F) and 16.3°C (61.3°F). At the start of June, Llanwrthwl's average high-temperature reaches a comfortable 16.3°C (61.3°F), subtly different from the preceding month. Weather in June »Weather in July
July, the same as June, is another comfortable summer month in Llanwrthwl, United Kingdom, with an average temperature fluctuating between 10°C (50°F) and 17.7°C (63.9°F). Llanwrthwl's temperature records reveal July as the warmest month, marked by average highs of 17.7°C (63.9°F) and lows of 10°C (50°F). Weather in July »Weather in August
August, the last month of the summer in Llanwrthwl, is another refreshing month, with an average temperature ranging between min 10.3°C (50.5°F) and max 17.2°C (63°F). Llanwrthwl records an average high-temperature of a still enjoyable 17.2°C (63°F) in August, maintaining a close correlation with July's 17.7°C (63.9°F). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Llanwrthwl, United Kingdom, with an average temperature fluctuating between 15.4°C (59.7°F) and 8.1°C (46.6°F). The advent of September reveals an average high-temperature of a still refreshing 15.4°C (59.7°F), showing minimal difference from the prior month. Weather in September »Weather in October
October, like September, in Llanwrthwl, United Kingdom, is another fresh autumn month, with an average temperature fluctuating between 12.4°C (54.3°F) and 6.5°C (43.7°F). A moderate decline in average high-temperatures is noted in October, moving from a moderate 15.4°C (59.7°F) in September to a fresh 12.4°C (54.3°F). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Llanwrthwl, United Kingdom, with an average temperature fluctuating between 8.4°C (47.1°F) and 3.7°C (38.7°F). Llanwrthwl's progression into November involves a minor drop in the average high-temperature, slightly receding from a cool 12.4°C (54.3°F) in October to a frosty 8.4°C (47.1°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Llanwrthwl, United Kingdom, with an average temperature ranging between max 6.4°C (43.5°F) and min 2.2°C (36°F). Entering December, Llanwrthwl's average high-temperature reads a still chilly 6.4°C (43.5°F), indicating a close resemblance to the previous month's climate. 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
The coldest time of the year is January, with temperatures averaging a high of 5.3°C (41.5°F) and a low of 0.9°C (33.6°F).
January, November and December, with an average relative humidity of 92%, are most humid months in Llanwrthwl.
Throughout the year, there are 192.1 rainfall days, and 471mm (18.54") of precipitation is accumulated.
January through May, November and December are months with snowfall in Llanwrthwl, United Kingdom.
Throughout the year, in Llanwrthwl, there are 17.1 snowfall days, and 120mm (4.72") of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 5 days and typically aggregates up to 30mm (1.18") of snow.
The months with the lowest humidity in Llanwrthwl are April and May, with an average relative humidity of 85%.
The month with the most sunshine in Llanwrthwl, United Kingdom, is May, with an average of 6.4h of sunshine.
The months with the highest UV index in Llanwrthwl are May through August, with an average maximum UV index of 4.
June through October are months without snowfall in Llanwrthwl.
The month with the longest days is June, with an average of 16h and 42min of daylight.
Llanwrthwl, United Kingdom, notes the warmest temperatures in July, with a average high of 17.7°C (63.9°F) and a low of 10°C (50°F).
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 27mm (1.06") of precipitation.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Llanwrthwl, United Kingdom, 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.
November is the month with the most rainfall. Rain falls for 18.7 days and accumulates 52mm (2.05") of precipitation.
With an average of 2.9h of sunshine, November has the least sunshine of the year in Llanwrthwl, United Kingdom.
The month with the shortest days is December, with an average of 7h and 48min of daylight.
Average temperature
Llanwrthwl, United Kingdom
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5.3°C).
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).
Average pressure
Llanwrthwl, United Kingdom
- Average pressure in January:
1013.4mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1015mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1014.1mbar - Average pressure in September:
1016.3mbar - Average pressure in October:
1014.2mbar - Average pressure in November:
1009.6mbar - Average pressure in December:
1013.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed
Llanwrthwl, United Kingdom
- Average wind speed in January:
18.1km/h - Average wind speed in February:
19km/h - Average wind speed in March:
17.2km/h - Average wind speed in April:
14.1km/h - Average wind speed in May:
14.1km/h - Average wind speed in June:
12.7km/h
- Average wind speed in July:
12.8km/h - Average wind speed in August:
13.6km/h - Average wind speed in September:
13.3km/h - Average wind speed in October:
15.3km/h - Average wind speed in November:
16.6km/h - Average wind speed in December:
18.6km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity
Llanwrthwl, United Kingdom
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall
Llanwrthwl, United Kingdom
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days
Llanwrthwl, United Kingdom
- Average rainfall days in January:
16.1 days - Average rainfall days in February:
13.7 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
17.4 days
The months with the highest number of rainy days are July and November (18.7 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall
Llanwrthwl, United Kingdom
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Llanwrthwl, United Kingdom
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.6 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 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Llanwrthwl, United Kingdom
- Average daylight in January:
8h and 18min - Average daylight in February:
9h and 54min - 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 42min
- Average daylight in July:
16h and 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - Average daylight in December:
7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 6min - Average sunshine in March:
4h and 54min - Average sunshine in April:
6h and 12min - Average sunshine in May:
6h and 24min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
6h and 18min - Average sunshine in August:
5h and 42min - Average sunshine in September:
5h and 24min - Average sunshine in October:
3h and 30min - Average sunshine in November:
2h and 54min - Average sunshine in December:
3h and 12min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days
Llanwrthwl, United Kingdom
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
11.4 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
8.2 days - Average sunshine days in August:
8.1 days - Average sunshine days in September:
11 days - Average sunshine days in October:
10.1 days - Average sunshine days in November:
7.2 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is November (7.2 days).
Average UV index
Llanwrthwl, 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
Llanwrthwl, United Kingdom
The month with the most cloud cover is November (Cloud cover 73).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility
Llanwrthwl, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
