Climate and monthly weather forecastHenllan, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Henllan, United Kingdom, is another chilly winter month, with temperature in the range of an average high of 6.3°C (43.3°F) and an average low of 2.5°C (36.5°F). January and February, with an average high-temperature of 6.3°C (43.3°F), are marked as the coldest months. Weather in January »Weather in February
February, the last month of the winter in Henllan, is also a frosty month, with an average temperature varying between 6.3°C (43.3°F) and 2.5°C (36.5°F). January and February are identified as the coldest months, with an average high-temperature of 6.3°C (43.3°F). Weather in February »Weather in March
March, the first month of the spring in Henllan, is still a chilly month, with an average temperature ranging between max 8.5°C (47.3°F) and min 2.9°C (37.2°F). March's onset brings an average high-temperature of a still chilly 8.5°C (47.3°F), showing a minute difference from February's 6.3°C (43.3°F). Weather in March »Weather in April
April in Henllan, United Kingdom, is a fresh spring month, with an average temperature fluctuating between 11°C (51.8°F) and 4.5°C (40.1°F). The transition from March to April sees an average high-temperature of a cool 11°C (51.8°F), indicating a minor variance from the prior month. Weather in April »Weather in May
May, the last month of the spring in Henllan, is a refreshing month, with an average temperature varying between 6.8°C (44.2°F) and 13.5°C (56.3°F). May begins with an average high-temperature of a refreshing 13.5°C (56.3°F), reflecting close similarity to the preceding month. Weather in May »Weather in June
June, the first month of the summer in Henllan, is an enjoyable month, with an average temperature ranging between max 16°C (60.8°F) and min 9.4°C (48.9°F). Henllan experiences an average high-temperature of an enjoyable 16°C (60.8°F) in June, subtly different from May's 13.5°C (56.3°F). Weather in June »Weather in July
July, like June, in Henllan, United Kingdom, is another refreshing summer month, with an average temperature ranging between max 17.5°C (63.5°F) and min 11.5°C (52.7°F). The temperatures reach their highest averages in July, with highs of 17.5°C (63.5°F) and lows of 11.5°C (52.7°F). Weather in July »Weather in August
The last month of the summer, August, is another refreshing month in Henllan, United Kingdom, with an average temperature ranging between max 17.2°C (63°F) and min 11.8°C (53.2°F). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still comfortable 17.2°C (63°F) from July's 17.5°C (63.5°F). Weather in August »Weather in September
September, the first month of the autumn in Henllan, is still a mild month, with an average temperature ranging between max 15.3°C (59.5°F) and min 10°C (50°F). Henllan signifies an average high-temperature of a still refreshing 15.3°C (59.5°F) in September, closely mirroring the 17.2°C (63°F) of August. Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Henllan, United Kingdom, with temperature in the range of an average low of 7.9°C (46.2°F) and an average high of 12.5°C (54.5°F). Henllan's entry into October measures an average high-temperature of a cool 12.5°C (54.5°F), closely parallel to the preceding month. Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Henllan, United Kingdom, with temperature in the range of an average low of 5.4°C (41.7°F) and an average high of 9°C (48.2°F). During the shift to November, a minor reduction in average high-temperature is observed, shifting from a cool 12.5°C (54.5°F) in October to a chilly 9°C (48.2°F). Weather in November »Weather in December
December, the first month of the winter in Henllan, is also a frosty month, with an average temperature ranging between max 7.2°C (45°F) and min 3.6°C (38.5°F). Henllan marks the start of December with an average high-temperature of a still chilly 7.2°C (45°F), hinting at a slight fluctuation from November's 9°C (48.2°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Henllan, United Kingdom
The warmest month (with the highest average high temperature) is July (17.5°C).
The months with the lowest average high temperature are January and February (6.3°C).
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.5°C).
Average pressure
Henllan, United Kingdom
- Average pressure in January:
1012.4mbar - Average pressure in February:
1012mbar - Average pressure in March:
1014.5mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1015.4mbar
- Average pressure in July:
1014.2mbar - Average pressure in August:
1013.3mbar - Average pressure in September:
1015.7mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1009mbar - Average pressure in December:
1012mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed
Henllan, United Kingdom
- Average wind speed in January:
19.1km/h - Average wind speed in February:
18.6km/h - Average wind speed in March:
16.4km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
13.9km/h - Average wind speed in June:
12.4km/h
- Average wind speed in July:
12.6km/h - Average wind speed in August:
14km/h - Average wind speed in September:
14.8km/h - Average wind speed in October:
16.2km/h - Average wind speed in November:
18.1km/h - Average wind speed in December:
19.5km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest month (with the lowest average wind speed) is June (12.4km/h).
Average humidity
Henllan, United Kingdom
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall
Henllan, United Kingdom
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days
Henllan, United Kingdom
- Average rainfall days in January:
13.1 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
17.6 days - Average rainfall days in December:
15.2 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is February (11.7 days).
Average snowfall
Henllan, United Kingdom
The month with the highest snowfall is January (35mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Henllan, United Kingdom
- Average snowfall days in January:
4.7 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.9 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:
0.1 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Henllan, 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 54min - Average daylight in June:
16h and 54min
- Average daylight in July:
16h and 24min - 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 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 0min - Average sunshine in May:
7h and 12min - Average sunshine in June:
6h and 54min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
6h and 42min - Average sunshine in September:
6h and 6min - Average sunshine in October:
3h and 48min - Average sunshine in November:
3h and 12min - Average sunshine in December:
3h and 36min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days
Henllan, United Kingdom
- Average sunshine days in January:
11.5 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
13 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
9.4 days - Average sunshine days in September:
11.6 days - Average sunshine days in October:
10.7 days - Average sunshine days in November:
7.9 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is April (13.1 days).
The month with the least sunshine days is November (7.9 days).
Average UV index
Henllan, 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
Henllan, United Kingdom
The month with the most cloud cover is November (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility
Henllan, 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).





