Climate and monthly weather forecastHirwaun, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Hirwaun, United Kingdom, is a frosty winter month, with an average temperature fluctuating between 6.6°C (43.9°F) and 2.6°C (36.7°F). In Hirwaun, January records the lowest average temperatures, peaking at 6.6°C (43.9°F) and reaching a low of 2.6°C (36.7°F). Weather in January »Weather in February
February, the last month of the winter in Hirwaun, is also a frosty month, with an average temperature fluctuating between 2.7°C (36.9°F) and 6.8°C (44.2°F). February records an average high-temperature of a still frosty 6.8°C (44.2°F), indicating a minor variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Hirwaun, United Kingdom, with an average temperature fluctuating between 3.1°C (37.6°F) and 8.8°C (47.8°F). Entering March, Hirwaun's average high-temperature reads a still chilly 8.8°C (47.8°F), indicating a close resemblance to the previous month's climate. Weather in March »Weather in April
April in Hirwaun, United Kingdom, is a cool spring month, with an average temperature varying between 12°C (53.6°F) and 4.8°C (40.6°F). With the onset of April, Hirwaun experiences a subtle temperature shift, with the average high-temperature moving from a frosty 8.8°C (47.8°F) in March to a cool 12°C (53.6°F). Weather in April »Weather in May
May, the last month of the spring in Hirwaun, is a refreshing month, with an average temperature varying between 7.3°C (45.1°F) and 14.2°C (57.6°F). With May's advent, Hirwaun sees an average high-temperature of a refreshing 14.2°C (57.6°F), subtly shifted from April's 12°C (53.6°F). Weather in May »Weather in June
June, the first month of the summer in Hirwaun, is a refreshing month, with an average temperature ranging between min 9.8°C (49.6°F) and max 16.8°C (62.2°F). The transition into June shows a subtle variation to a still refreshing 16.8°C (62.2°F) from May's 14.2°C (57.6°F) in the average high-temperature. Weather in June »Weather in July
July, like June, in Hirwaun, United Kingdom, is another enjoyable summer month, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 11.6°C (52.9°F). Hirwaun reaches its highest average temperatures in July, measuring 18.3°C (64.9°F) at the peak and 11.6°C (52.9°F) at the lowest. Weather in July »Weather in August
The last month of the summer, August, is also an enjoyable month in Hirwaun, United Kingdom, with an average temperature fluctuating between 17.8°C (64°F) and 12°C (53.6°F). During August, the average high-temperature is a still enjoyable 17.8°C (64°F), maintaining a close resemblance to that of the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in Hirwaun, United Kingdom, with an average temperature fluctuating between 16.2°C (61.2°F) and 9.9°C (49.8°F). Hirwaun, United Kingdom, starts September with an average high-temperature of a still refreshing 16.2°C (61.2°F), hinting at a minimal fluctuation from August. Weather in September »Weather in October
October, like September, is another mild autumn month in Hirwaun, United Kingdom, with an average temperature ranging between max 13.2°C (55.8°F) and min 8.3°C (46.9°F). Hirwaun's progression into October involves a gentle drop in the average high-temperature, from a refreshing 16.2°C (61.2°F) in September to a mild 13.2°C (55.8°F). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Hirwaun, United Kingdom, with an average temperature ranging between min 5.2°C (41.4°F) and max 9.2°C (48.6°F). As October transitions into November, Hirwaun sees a gentle drop in the average high-temperature, transitioning from a refreshing 13.2°C (55.8°F) to a chilly 9.2°C (48.6°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Hirwaun, United Kingdom, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 3.8°C (38.8°F). Hirwaun experiences an average high-temperature of a still frosty 7.5°C (45.5°F) with the onset of December, subtly varied from November's 9.2°C (48.6°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
January stands out as Hirwaun's coldest month, with temperatures ranging between an average high of 6.6°C (43.9°F) and a low of 2.6°C (36.7°F).
The months with the highest humidity are January, November and December, with an average relative humidity of 89%.
Throughout the year, in Hirwaun, United Kingdom, there are 200.8 rainfall days, and 659mm (25.94") of precipitation is accumulated.
January through April, November and December are months with snowfall in Hirwaun, United Kingdom.
The month with the most snowfall is January, when snow falls for 4.2 days and typically aggregates up to 29mm (1.14") of snow.
In Hirwaun, United Kingdom, during the entire year, snow falls for 13.7 days and aggregates up to 124mm (4.88") of snow.
January, February, November and December, with an average of 3.5h of sunshine, are months with the least sunshine in Hirwaun, United Kingdom.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
April and May, with an average relative humidity of 83%, are the least humid months in Hirwaun, United Kingdom.
The months with the most sunshine in Hirwaun, United Kingdom, are April and May, with an average of 7.4h of sunshine.
May is the month with the least rainfall. Rain falls for 15.7 days and accumulates 34mm (1.34") of precipitation.
In Hirwaun, United Kingdom, snow does not fall in May through October.
The months with the highest UV index in Hirwaun are May through August, with an average maximum UV index of 4.
June has the longest days of the year in Hirwaun, with an average of 16h and 36min of daylight.
July, having an average high-temperature of 18.3°C (64.9°F) and an average low-temperature of 11.6°C (52.9°F), is the warmest month in Hirwaun.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Hirwaun, 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.
The month with the most rainfall is November, when the rain falls for 19.4 days and typically aggregates up to 81mm (3.19") of precipitation.
With an average of 7h and 54min of daylight, December has the shortest days of the year.
Average temperature
Hirwaun, United Kingdom
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.6°C).
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure
Hirwaun, United Kingdom
- Average pressure in January:
1013.8mbar - Average pressure in February:
1013.2mbar - Average pressure in March:
1015.2mbar - 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:
1014.5mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1014.4mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1013.8mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed
Hirwaun, United Kingdom
- Average wind speed in January:
20.2km/h - Average wind speed in February:
20.9km/h - Average wind speed in March:
18.7km/h - Average wind speed in April:
15.4km/h - Average wind speed in May:
15.2km/h - Average wind speed in June:
14.2km/h
- Average wind speed in July:
14.2km/h - Average wind speed in August:
14.9km/h - Average wind speed in September:
15.1km/h - Average wind speed in October:
17.1km/h - Average wind speed in November:
19.1km/h - Average wind speed in December:
20.6km/h
The windiest month (with the highest average wind speed) is February (20.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).
Average humidity
Hirwaun, United Kingdom
The months with the highest relative humidity are January, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall
Hirwaun, United Kingdom
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is May (34mm).
Average rainfall days
Hirwaun, United Kingdom
- Average rainfall days in January:
17.2 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
14 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
19.4 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
17.7 days - Average rainfall days in November:
19.4 days - Average rainfall days in December:
17.8 days
The months with the highest number of rainy days are August and November (19.4 days).
The month with the least rainy days is February (13.3 days).
Average snowfall
Hirwaun, United Kingdom
The month with the highest snowfall is January (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Hirwaun, United Kingdom
- Average snowfall days in January:
4.2 days - Average snowfall days in February:
3.5 days - Average snowfall days in March:
2.3 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 days - Average snowfall days in November:
1 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Hirwaun, 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 6min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
8h and 54min - 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 30min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 24min - Average sunshine in May:
7h and 24min - Average sunshine in June:
7h and 0min
- Average sunshine in July:
7h and 18min - Average sunshine in August:
6h and 36min - Average sunshine in September:
6h and 18min - Average sunshine in October:
4h and 0min - Average sunshine in November:
3h and 30min - Average sunshine in December:
3h and 30min
The months with the most sunshine are April and May (Average sunshine: 7h and 24min).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h and 30min).
Average sunshine days
Hirwaun, United Kingdom
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
12.1 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
9.2 days
- Average sunshine days in July:
8 days - Average sunshine days in August:
7.8 days - Average sunshine days in September:
11.1 days - Average sunshine days in October:
9.2 days - Average sunshine days in November:
7.2 days - Average sunshine days in December:
8.5 days
The month with the most sunshine days is April (12.9 days).
The month with the least sunshine days is November (7.2 days).
Average UV index
Hirwaun, 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
Hirwaun, United Kingdom
The month with the most cloud cover is November (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility
Hirwaun, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).
