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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Llanharan, United Kingdom, is another chilly winter month, with an average temperature ranging between max 7°C (44.6°F) and min 3.1°C (37.6°F). Temperature records mark January as the coldest month, with highs averaging 7°C (44.6°F) and lows at 3.1°C (37.6°F). Weather in January »
Weather in February
February, the last month of the winter in Llanharan, is another chilly month, with an average temperature fluctuating between 3.2°C (37.8°F) and 7.3°C (45.1°F). Llanharan's weather, upon February's arrival, documents an average high-temperature of a still frosty 7.3°C (45.1°F), nearly identical to the prior month. Weather in February »
Weather in March
The first month of the spring, March, is still a chilly month in Llanharan, United Kingdom, with temperature in the range of an average high of 9.3°C (48.7°F) and an average low of 3.5°C (38.3°F). March's arrival registers an average high-temperature of a still frosty 9.3°C (48.7°F), closely aligning with the temperature of the previous month. Weather in March »
Weather in April
April is a cool spring month in Llanharan, United Kingdom, with temperature in the range of an average high of 12.2°C (54°F) and an average low of 5.3°C (41.5°F). April's arrival brings an average high-temperature of a cool 12.2°C (54°F), demonstrating subtle variation from the preceding month. Weather in April »
Weather in May
The last month of the spring, May, is a moderate month in Llanharan, United Kingdom, with an average temperature fluctuating between 7.5°C (45.5°F) and 14.4°C (57.9°F). As Llanharan, United Kingdom, transitions from April to May, the average high-temperatures adjust to a mild 14.4°C (57.9°F), nearly the same as the previous 12.2°C (54°F). Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Llanharan, United Kingdom, with an average temperature varying between 10.3°C (50.5°F) and 17.1°C (62.8°F). Llanharan's average high-temperature in June is a comfortable 17.1°C (62.8°F), indicating a subtle variation from May. Weather in June »
Weather in July
July, the same as June, is another refreshing summer month in Llanharan, United Kingdom, with an average temperature varying between 18.8°C (65.8°F) and 12.1°C (53.8°F). In Llanharan, United Kingdom, the month of July registers the highest temperatures, averaging 18.8°C (65.8°F) at the peak and 12.1°C (53.8°F) at the lowest. Weather in July »
Weather in August
August, the last month of the summer in Llanharan, is another comfortable month, with an average temperature ranging between min 12.2°C (54°F) and max 18.3°C (64.9°F). Llanharan's August showcases an average high-temperature of a still enjoyable 18.3°C (64.9°F), hardly distinct from July's 18.8°C (65.8°F). Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Llanharan, United Kingdom, with an average temperature varying between 10.4°C (50.7°F) and 16.6°C (61.9°F). Llanharan indicates an average high-temperature of a still comfortable 16.6°C (61.9°F) in September, showing minor variation from August's 18.3°C (64.9°F). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Llanharan, United Kingdom, with temperature in the range of an average high of 13.4°C (56.1°F) and an average low of 8.7°C (47.7°F). With the beginning of October, the average high-temperature shows a small decrease, transitioning from a comfortable 16.6°C (61.9°F) in September to a still refreshing 13.4°C (56.1°F). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Llanharan, United Kingdom, with temperature in the range of an average high of 9.7°C (49.5°F) and an average low of 5.9°C (42.6°F). November signifies a minor drop in average high-temperature, transitioning from a refreshing 13.4°C (56.1°F) in October to a frosty 9.7°C (49.5°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Llanharan, United Kingdom, with an average temperature ranging between max 7.8°C (46°F) and min 4.4°C (39.9°F). The transition from November to December sees average high-temperatures adjusting to a still frosty 7.8°C (46°F), from a not significantly different 9.7°C (49.5°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
What are the coldest months in Llanharan?
January, noted for its average high-temperature of 7°C (44.6°F) and an average low-temperature of 3.1°C (37.6°F), is considered the coldest month.
How many days does it rain in Llanharan?
In Llanharan, during the entire year, the rain falls for 150.3 days and collects up to 270mm (10.63") of precipitation.
When does it snow in Llanharan?
January through April, November and December are months with snowfall in Llanharan.
When does it snow the most in Llanharan?
January is the month with the most snowfall in Llanharan, United Kingdom. Snow falls for 2.3 days and accumulates 6mm (0.24") of snow.
How much does it snow in Llanharan?
Throughout the year, there are 6.2 snowfall days, and 15mm (0.59") of snow is accumulated.
What is the month with the lowest UV index in Llanharan?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Llanharan.
What is the least humid month in Llanharan?
April and May, with an average relative humidity of 82%, are the least humid months.
What is the driest month in Llanharan?
May is the month with the least rainfall. Rain falls for 11.2 days and accumulates 11mm (0.43") of precipitation.
When it does not snow in Llanharan?
In Llanharan, United Kingdom, snow does not fall in May through October.
What month has the most sunshine in Llanharan?
The month with the most sunshine is May, with an average of 7.9h of sunshine.
What is the month with the highest UV index in Llanharan?
The months with the highest UV index in Llanharan are May through September, with an average maximum UV index of 4.
When are the longest days in Llanharan?
The month with the longest days in Llanharan, United Kingdom, is June, with an average of 16h and 36min of daylight.
What is the warmest month in Llanharan?
July is the warmest month of the year, registering average temperatures as high as 18.8°C (65.8°F) and as low as 12.1°C (53.8°F).
When is Daylight Saving Time (DST) in Llanharan?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Llanharan, 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.
What is the most humid month in Llanharan?
November and December, with an average relative humidity of 88%, are most humid months in Llanharan, United Kingdom.
What is the wettest month in Llanharan?
The month with the most rainfall in Llanharan is November, when the rain falls for 15.4 days and typically aggregates up to 35mm (1.38") of precipitation.
What is the month with the least sunshine in Llanharan?
The month with the least sunshine is November, with an average of 3.7h of sunshine.
What is the month with the shortest days in Llanharan?
The month with the shortest days is December, with an average of 7h and 54min of daylight.
Average temperature
Llanharan, United Kingdom
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (7°C).
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure
Llanharan, United Kingdom
- Average pressure in January:
1013.9mbar - Average pressure in February:
1013.3mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1015.1mbar - Average pressure in August:
1014.6mbar - Average pressure in September:
1016.7mbar - Average pressure in October:
1014.5mbar - Average pressure in November:
1009.9mbar - Average pressure in December:
1013.8mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed
Llanharan, United Kingdom
- Average wind speed in January:
20.6km/h - Average wind speed in February:
21.3km/h - Average wind speed in March:
19km/h - Average wind speed in April:
15.6km/h - Average wind speed in May:
15.3km/h - Average wind speed in June:
14.4km/h
- Average wind speed in July:
14.5km/h - Average wind speed in August:
15.2km/h - Average wind speed in September:
15.4km/h - Average wind speed in October:
17.5km/h - Average wind speed in November:
19.6km/h - Average wind speed in December:
21km/h
The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity
Llanharan, United Kingdom
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall
Llanharan, United Kingdom
The wettest month (with the highest rainfall) is November (35mm).
The driest month (with the least rainfall) is May (11mm).
Average rainfall days
Llanharan, United Kingdom
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
12.2 days - Average rainfall days in April:
9.5 days - Average rainfall days in May:
11.2 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
15.4 days - Average rainfall days in December:
15 days
The month with the highest number of rainy days is November (15.4 days).
The month with the least rainy days is April (9.5 days).
Average snowfall
Llanharan, United Kingdom
The month with the highest snowfall is January (6mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Llanharan, United Kingdom
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
1.7 days - Average snowfall days in March:
0.7 days - Average snowfall days in April:
0.4 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:
0.8 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Llanharan, United Kingdom
- Average daylight in January:
8h and 2min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 4min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 1min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - Average daylight in December:
7h and 5min
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 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 4min - Average sunshine in May:
7h and 5min - Average sunshine in June:
7h and 2min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 1min - Average sunshine in September:
6h and 5min - Average sunshine in October:
4h and 2min - Average sunshine in November:
3h and 4min - Average sunshine in December:
3h and 5min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days
Llanharan, United Kingdom
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
16.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
13.1 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is November (10.7 days).
Average UV index
Llanharan, 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, March, November and December (UV index 2).
Average cloud cover
Llanharan, United Kingdom
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility
Llanharan, 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).
