Climate and monthly weather forecastYstalyfera, United Kingdom
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Ystalyfera, United Kingdom, with temperature in the range of an average low of 3.9°C (39°F) and an average high of 7.3°C (45.1°F). January and February are the coldest months, with an average high-temperature of 7.3°C (45.1°F). Weather in January »Weather in February
February, the last month of the winter in Ystalyfera, is also a frosty month, with an average temperature ranging between min 3.8°C (38.8°F) and max 7.3°C (45.1°F). Ystalyfera witnesses its lowest temperatures during January and February, when the average high-temperature reaches 7.3°C (45.1°F). Weather in February »Weather in March
March, the first month of the spring in Ystalyfera, is also a frosty month, with an average temperature ranging between max 9.4°C (48.9°F) and min 4°C (39.2°F). With the onset of March, the average high-temperature registers at a still frosty 9.4°C (48.9°F), subtly different from February's 7.3°C (45.1°F). Weather in March »Weather in April
April is a cool spring month in Ystalyfera, United Kingdom, with an average temperature ranging between max 12°C (53.6°F) and min 5.6°C (42.1°F). During April, the average high-temperature is a fresh 12°C (53.6°F), maintaining a close resemblance to that of the preceding month. Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Ystalyfera, United Kingdom, with an average temperature ranging between max 14.2°C (57.6°F) and min 8°C (46.4°F). The transition into May marks the average high-temperature at a refreshing 14.2°C (57.6°F), differing minimally 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 Ystalyfera, United Kingdom, with temperature in the range of an average high of 16.6°C (61.9°F) and an average low of 10.7°C (51.3°F). The average high-temperature is a still refreshing 16.6°C (61.9°F) in June, hardly different from the 14.2°C (57.6°F) recorded in May. Weather in June »Weather in July
July, like June, in Ystalyfera, United Kingdom, is another refreshing summer month, with an average temperature varying between 18.2°C (64.8°F) and 12.7°C (54.9°F). July stands out as Ystalyfera's warmest month, with temperatures ranging between an average high of 18.2°C (64.8°F) and a low of 12.7°C (54.9°F). Weather in July »Weather in August
August, the last month of the summer in Ystalyfera, is another comfortable month, with an average temperature varying between 12.9°C (55.2°F) and 17.9°C (64.2°F). The initiation of August sees an average high-temperature of a still refreshing 17.9°C (64.2°F), showing minor variations from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Ystalyfera, is still a comfortable month, with an average temperature fluctuating between 16.4°C (61.5°F) and 11.3°C (52.3°F). The commencement of September brings an average high-temperature of a still enjoyable 16.4°C (61.5°F), marking an inconsequential divergence from August. Weather in September »Weather in October
October, like September, is a moderate autumn month in Ystalyfera, United Kingdom, with an average temperature ranging between min 9.5°C (49.1°F) and max 13.5°C (56.3°F). Ystalyfera, United Kingdom, records an average high-temperature of a mild 13.5°C (56.3°F) as October arrives, nearly mirroring the previous month's climate. Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Ystalyfera, United Kingdom, with an average temperature varying between 6.7°C (44.1°F) and 10.3°C (50.5°F). The arrival of November corresponds with a light shift in temperature, down from a refreshing 13.5°C (56.3°F) in October to a fresh 10.3°C (50.5°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Ystalyfera, United Kingdom, with an average temperature varying between 5.2°C (41.4°F) and 8.3°C (46.9°F). The beginning of December records an average high-temperature of a chilly 8.3°C (46.9°F), marking a negligible difference 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
January and February are identified as the coldest months in Ystalyfera, United Kingdom, with an average high-temperature of 7.3°C (45.1°F).
January and December, with an average relative humidity of 87%, are most humid months.
In Ystalyfera, United Kingdom, during the entire year, the rain falls for 181.3 days and collects up to 568mm (22.36") of precipitation.
January through March and December are months with snowfall.
January is the month with the most snowfall. Snow falls for 2 days and accumulates 12mm (0.47") of snow.
Throughout the year, in Ystalyfera, there are 5.4 snowfall days, and 28mm (1.1") of snow is accumulated.
January has the least sunshine of the year in Ystalyfera, with an average of 3.7h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
With an average relative humidity of 81%, April is the least humid month.
April through November are months without snowfall.
The month with the least rainfall is May, when the rain falls for 14.1 days and typically collects 31mm (1.22") of precipitation.
With an average of 8.1h of sunshine, May has the most sunshine of the year in Ystalyfera, United Kingdom.
The months with the highest UV index in Ystalyfera are May through September, with an average maximum UV index of 4.
The month with the longest days in Ystalyfera, United Kingdom, is June, with an average of 16h and 36min of daylight.
With an average high-temperature of 18.2°C (64.8°F) and an average low-temperature of 12.7°C (54.9°F), July is the warmest month in Ystalyfera.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Ystalyfera, 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 months with the most rainfall in Ystalyfera, United Kingdom, are November and December, with an average 66mm (2.6") of precipitation.
The month with the shortest days is December, with an average of 7h and 54min of daylight.
Average temperature
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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
Ystalyfera, 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).
