Climate and monthly weather forecastPorthkerry, United Kingdom
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Porthkerry, United Kingdom, with an average temperature varying between 7.4°C (45.3°F) and 3.8°C (38.8°F). In Porthkerry, January records the lowest average temperatures, peaking at 7.4°C (45.3°F) and reaching a low of 3.8°C (38.8°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Porthkerry, United Kingdom, with temperature in the range of an average high of 7.7°C (45.9°F) and an average low of 3.8°C (38.8°F). February's climate shows a minor adjustment in average high-temperatures to a still frosty 7.7°C (45.9°F) from January's 7.4°C (45.3°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Porthkerry, United Kingdom, with an average temperature ranging between max 9.8°C (49.6°F) and min 4.2°C (39.6°F). March's weather displays an average high-temperature of a still frosty 9.8°C (49.6°F), slightly varied from February's 7.7°C (45.9°F). Weather in March »Weather in April
April is a fresh spring month in Porthkerry, United Kingdom, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 12.4°C (54.3°F). The transition from March to April brings an average high-temperature of a fresh 12.4°C (54.3°F), barely different from March's 9.8°C (49.6°F). Weather in April »Weather in May
May, the last month of the spring in Porthkerry, is a refreshing month, with an average temperature fluctuating between 14.7°C (58.5°F) and 8.2°C (46.8°F). Upon the beginning of May, Porthkerry's high-temperatures register at a refreshing 14.7°C (58.5°F), closely mirroring the preceding month. Weather in May »Weather in June
June, the first month of the summer in Porthkerry, is a refreshing month, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 17.2°C (63°F). Porthkerry experiences a transition to a comfortable 17.2°C (63°F) in average high-temperatures with the arrival of June, not greatly differing from May's 14.7°C (58.5°F). Weather in June »Weather in July
July, the same as June, is another refreshing summer month in Porthkerry, United Kingdom, with an average temperature ranging between min 12.8°C (55°F) and max 18.8°C (65.8°F). In Porthkerry, the month of July registers the highest temperatures, averaging 18.8°C (65.8°F) at the peak and 12.8°C (55°F) at the lowest. Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Porthkerry, United Kingdom, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 12.8°C (55°F). In Porthkerry, August's average high-temperature stands at a still enjoyable 18.5°C (65.3°F), closely related to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Porthkerry, is still a comfortable month, with an average temperature varying between 11.1°C (52°F) and 16.9°C (62.4°F). Porthkerry experiences a transition to a still enjoyable 16.9°C (62.4°F) in average high-temperatures with the arrival of September, not greatly differing from August's 18.5°C (65.3°F). Weather in September »Weather in October
October, the same as September, in Porthkerry, United Kingdom, is another refreshing autumn month, with an average temperature ranging between min 9.6°C (49.3°F) and max 14°C (57.2°F). In October, the average high-temperature registers at a still refreshing 14°C (57.2°F), nearly identical to September's 16.9°C (62.4°F). Weather in October »Weather in November
November, the last month of the autumn in Porthkerry, is another cool month, with temperature in the range of an average low of 6.7°C (44.1°F) and an average high of 10.3°C (50.5°F). During the shift to November, a minor reduction in average high-temperature is observed, shifting from a moderate 14°C (57.2°F) in October to a cool 10.3°C (50.5°F). Weather in November »Weather in December
December, the first month of the winter in Porthkerry, is still a chilly month, with temperature in the range of an average high of 8.5°C (47.3°F) and an average low of 5.1°C (41.2°F). Porthkerry marks the onset of December with an average high-temperature of a frosty 8.5°C (47.3°F), a subtle shift 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 is the coldest month of the year in Porthkerry, registering average temperatures as high as 7.4°C (45.3°F) and as low as 3.8°C (38.8°F).
January, November and December, with an average relative humidity of 86%, are most humid months.
In Porthkerry, United Kingdom, during the entire year, the rain falls for 177.9 days and collects up to 579mm (22.8") of precipitation.
January through March, November and December are months with snowfall in Porthkerry.
The month with the most snowfall in Porthkerry, United Kingdom, is January, when snow falls for 1.1 days and typically aggregates up to 10mm (0.39") of snow.
In Porthkerry, during the entire year, snow falls for 3.6 days and aggregates up to 30mm (1.18") of snow.
The months with the lowest UV index in Porthkerry are January through March, November and December, with an average maximum UV index of 2.
April is the least humid month in Porthkerry, United Kingdom, with an average relative humidity of 81%.
The month with the least rainfall is April, when the rain falls for 13.5 days and typically collects 31mm (1.22") of precipitation.
In Porthkerry, snow does not fall in April through October.
May has the most sunshine of the year in Porthkerry, with an average of 8.2h of sunshine.
May through September, with an average maximum UV index of 4, are months with the highest UV index.
June has the longest days of the year, with an average of 16h and 30min of daylight.
With average temperatures fluctuating between a high of 18.8°C (65.8°F) and a low of 12.8°C (55°F), July stands out as the warmest month.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Porthkerry, 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 in Porthkerry is November, when the rain falls for 16.7 days and typically aggregates up to 72mm (2.83") of precipitation.
The month with the least sunshine in Porthkerry, United Kingdom, is November, with an average of 3.9h of sunshine.
With an average of 7h and 54min of daylight, December has the shortest days of the year in Porthkerry, United Kingdom.
Average temperature
Porthkerry, 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 (7.4°C).
The months with the highest average low temperature are July and August (12.8°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).
Average pressure
Porthkerry, United Kingdom
- Average pressure in January:
1014mbar - Average pressure in February:
1013.5mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.3mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1016.8mbar - Average pressure in October:
1014.6mbar - Average pressure in November:
1010mbar - Average pressure in December:
1014.1mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed
Porthkerry, United Kingdom
- Average wind speed in January:
21.5km/h - Average wind speed in February:
22.2km/h - Average wind speed in March:
19.8km/h - Average wind speed in April:
16.2km/h - Average wind speed in May:
15.8km/h - Average wind speed in June:
15km/h
- Average wind speed in July:
15.1km/h - Average wind speed in August:
15.8km/h - Average wind speed in September:
16.1km/h - Average wind speed in October:
18.5km/h - Average wind speed in November:
20.8km/h - Average wind speed in December:
22km/h
The windiest month (with the highest average wind speed) is February (22.2km/h).
The calmest month (with the lowest average wind speed) is June (15km/h).
Average humidity
Porthkerry, United Kingdom
The months with the highest relative humidity are January, November and December (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall
Porthkerry, United Kingdom
The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days
Porthkerry, United Kingdom
- Average rainfall days in January:
15.5 days - Average rainfall days in February:
12.6 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
16.7 days - Average rainfall days in December:
14.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is September (12.5 days).
Average snowfall
Porthkerry, United Kingdom
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Porthkerry, United Kingdom
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
1.1 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0 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:
0.8 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Porthkerry, United Kingdom
- Average daylight in January:
8h and 30min - 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 36min - Average daylight in June:
16h and 30min
- Average daylight in July:
16h and 6min - Average daylight in August:
14h and 30min - 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 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 12min - Average sunshine in June:
7h and 42min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 0min - Average sunshine in October:
4h and 24min - Average sunshine in November:
3h and 54min - Average sunshine in December:
4h and 0min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days
Porthkerry, United Kingdom
- Average sunshine days in January:
13.4 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index
Porthkerry, 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
Porthkerry, United Kingdom
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility
Porthkerry, 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).
