Climate and monthly weather forecastCwmafan, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Cwmafan, United Kingdom, is a frosty winter month, with an average temperature fluctuating between 7.3°C (45.1°F) and 3.9°C (39°F). January and February mark Cwmafan's lowest temperatures, averaging a high-temperature of 7.3°C (45.1°F). Weather in January »Weather in February
February, the last month of the winter in Cwmafan, is also a frosty month, with an average temperature fluctuating between 7.3°C (45.1°F) and 3.8°C (38.8°F). Cwmafan's lowest temperatures tend to occur in January and February, with an average high-temperature of 7.3°C (45.1°F). Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Cwmafan, United Kingdom, with an average temperature ranging between max 9.4°C (48.9°F) and min 4°C (39.2°F). The initiation of March records an average high-temperature of a still frosty 9.4°C (48.9°F), displaying a near consistency with the previous month. Weather in March »Weather in April
April is a fresh spring month in Cwmafan, United Kingdom, with an average temperature varying between 12°C (53.6°F) and 5.6°C (42.1°F). April's presence records an average high-temperature of a fresh 12°C (53.6°F), closely mirroring March's climate. Weather in April »Weather in May
The last month of the spring, May, is a mild month in Cwmafan, United Kingdom, with temperature in the range of an average high of 14.2°C (57.6°F) and an average low of 8°C (46.4°F). Cwmafan's shift into May sets the average high-temperature at a refreshing 14.2°C (57.6°F), a figure that deviates only slightly from April's 12°C (53.6°F). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Cwmafan, United Kingdom, with an average temperature fluctuating between 10.7°C (51.3°F) and 16.6°C (61.9°F). Cwmafan indicates an average high-temperature of an enjoyable 16.6°C (61.9°F) in June, showing minor variation from May's 14.2°C (57.6°F). Weather in June »Weather in July
July, the same as June, is another refreshing summer month in Cwmafan, United Kingdom, with an average temperature varying between 18.2°C (64.8°F) and 12.7°C (54.9°F). July, with an average high of 18.2°C (64.8°F) and a low of 12.7°C (54.9°F), signifies the warmest month of the year. Weather in July »Weather in August
August, the last month of the summer in Cwmafan, is another refreshing month, with an average temperature ranging between min 12.9°C (55.2°F) and max 17.9°C (64.2°F). With August's advent, Cwmafan, United Kingdom, sees an average high-temperature of a still refreshing 17.9°C (64.2°F), subtly shifted from July's 18.2°C (64.8°F). Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Cwmafan, United Kingdom, with an average temperature ranging between min 11.3°C (52.3°F) and max 16.4°C (61.5°F). September's arrival shows an average high-temperature of a still refreshing 16.4°C (61.5°F), hardly different from the previous month. Weather in September »Weather in October
October, the same as September, in Cwmafan, United Kingdom, is another mild autumn month, with an average temperature ranging between min 9.5°C (49.1°F) and max 13.5°C (56.3°F). The arrival of October sees an average high-temperature of a mild 13.5°C (56.3°F), hardly diverging from September's 16.4°C (61.5°F). Weather in October »Weather in November
November, the last month of the autumn in Cwmafan, is another cool month, with an average temperature varying between 6.7°C (44.1°F) and 10.3°C (50.5°F). November's onset introduces a mild reduction in the average high-temperature, from a mild 13.5°C (56.3°F) in October to a cool 10.3°C (50.5°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Cwmafan, United Kingdom, with temperature in the range of an average high of 8.3°C (46.9°F) and an average low of 5.2°C (41.4°F). December reports an average high-temperature of a frosty 8.3°C (46.9°F), slightly varied from November's 10.3°C (50.5°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
The months of January and February see the lowest levels of Cwmafan's temperatures, averaging a high of 7.3°C (45.1°F).
January and December, with an average relative humidity of 87%, are most humid months in Cwmafan.
Throughout the year, in Cwmafan, there are 181.3 rainfall days, and 568mm (22.36") of precipitation is accumulated.
Months with snowfall in Cwmafan, United Kingdom, are January through March and December.
The month with the most snowfall is January, when snow falls for 2 days and typically aggregates up to 12mm (0.47") of snow.
Throughout the year, there are 5.4 snowfall days, and 28mm (1.1") of snow is accumulated.
The month with the least sunshine is January, with an average of 3.7h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cwmafan.
With an average relative humidity of 81%, April is the least humid month in Cwmafan, United Kingdom.
In Cwmafan, snow does not fall in April through November.
May is the month with the least rainfall. Rain falls for 14.1 days and accumulates 31mm (1.22") of precipitation.
The month with the most sunshine in Cwmafan, United Kingdom, is May, with an average of 8.1h of sunshine.
May through September, with an average maximum UV index of 4, are months with the highest UV index in Cwmafan.
June has the longest days of the year in Cwmafan, with an average of 16h and 36min of daylight.
Cwmafan's July weather, with an average high temperature of 18.2°C (64.8°F) and an average low temperature of 12.7°C (54.9°F), tends to be the warmest of the year.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Cwmafan, 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 months with the most rainfall are November and December, with an average 66mm (2.6") of precipitation.
The month with the shortest days in Cwmafan is December, with an average of 7h and 54min of daylight.
Average temperature
Cwmafan, United Kingdom
The warmest month (with the highest average high temperature) is July (18.2°C).
The months with the lowest average high temperature are January and February (7.3°C).
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure
Cwmafan, United Kingdom
- Average pressure in January:
1013.7mbar - 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:
1016.7mbar - Average pressure in October:
1014.4mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1013.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed
Cwmafan, United Kingdom
- Average wind speed in January:
21.9km/h - Average wind speed in February:
22.3km/h - Average wind speed in March:
19.6km/h - Average wind speed in April:
16.3km/h - Average wind speed in May:
15.8km/h - Average wind speed in June:
14.9km/h
- Average wind speed in July:
15.1km/h - Average wind speed in August:
16.2km/h - Average wind speed in September:
16.8km/h - Average wind speed in October:
18.9km/h - Average wind speed in November:
21.2km/h - Average wind speed in December:
22.4km/h
The windiest month (with the highest average wind speed) is December (22.4km/h).
The calmest month (with the lowest average wind speed) is June (14.9km/h).
Average humidity
Cwmafan, United Kingdom
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (81%).
Average rainfall
Cwmafan, United Kingdom
The wettest months (with the highest rainfall) are November and December (66mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days
Cwmafan, United Kingdom
- Average rainfall days in January:
16.1 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
17 days - Average rainfall days in December:
16.9 days
The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (12.6 days).
Average snowfall
Cwmafan, United Kingdom
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Cwmafan, United Kingdom
- Average snowfall days in January:
2 days - Average snowfall days in February:
1.7 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.1 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:
1.1 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cwmafan, 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 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 6min - Average sunshine in June:
7h and 42min
- Average sunshine in July:
7h and 48min - Average sunshine in August:
7h and 18min - Average sunshine in September:
6h and 48min - Average sunshine in October:
4h and 18min - Average sunshine in November:
3h and 54min - Average sunshine in December:
3h and 48min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Cwmafan, United Kingdom
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
14 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
12.9 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
11.1 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index
Cwmafan, 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, November and December (UV index 2).
Average cloud cover
Cwmafan, United Kingdom
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility
Cwmafan, 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).
