Climate and monthly weather forecastPorthleven, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Porthleven, United Kingdom, is a frosty winter month, with an average temperature ranging between min 7.8°C (46°F) and max 9.6°C (49.3°F). The advent of January brings an average high-temperature of a chilly 9.6°C (49.3°F), almost identical to the preceding month. Weather in January »Weather in February
February, the last month of the winter in Porthleven, is also a frosty month, with temperature in the range of an average high of 9.3°C (48.7°F) and an average low of 7.1°C (44.8°F). Porthleven, United Kingdom, reaches its lowest average temperatures in February, measuring 9.3°C (48.7°F) at the peak and 7.1°C (44.8°F) at the lowest. Weather in February »Weather in March
March, the first month of the spring in Porthleven, is still a chilly month, with an average temperature varying between 7.5°C (45.5°F) and 9.9°C (49.8°F). March's arrival brings an average high-temperature of a still frosty 9.9°C (49.8°F), slightly deviating from February's 9.3°C (48.7°F). Weather in March »Weather in April
April is a cool spring month in Porthleven, United Kingdom, with an average temperature varying between 11°C (51.8°F) and 8.8°C (47.8°F). The unfolding of April shows an average high-temperature of a cool 11°C (51.8°F), indicating a slight variance from March's 9.9°C (49.8°F). Weather in April »Weather in May
May, the last month of the spring in Porthleven, is a refreshing month, with an average temperature varying between 10.8°C (51.4°F) and 13°C (55.4°F). The advent of May presents an average high-temperature of a refreshing 13°C (55.4°F), maintaining a close correlation with the preceding month. Weather in May »Weather in June
The first month of the summer, June, is still a mild month in Porthleven, United Kingdom, with an average temperature varying between 15.5°C (59.9°F) and 13.3°C (55.9°F). The arrival of June coincides with an average high-temperature of a still moderate 15.5°C (59.9°F), indicating a minimal shift from May's 13°C (55.4°F). Weather in June »Weather in July
July in Porthleven, United Kingdom, is a refreshing summer month, with temperature in the range of an average low of 15.4°C (59.7°F) and an average high of 17.3°C (63.1°F). July brings a marginal elevation to a still refreshing 17.3°C (63.1°F) from June's 15.5°C (59.9°F) in Porthleven's average high-temperatures. Weather in July »Weather in August
August, the last month of the summer in Porthleven, is also an enjoyable month, with an average temperature ranging between max 17.4°C (63.3°F) and min 15.8°C (60.4°F). Porthleven's temperatures peak on average in August, reaching 17.4°C (63.3°F) at their highest and 15.8°C (60.4°F) at their lowest. Weather in August »Weather in September
September, the first month of the autumn in Porthleven, is still a refreshing month, with temperature in the range of an average high of 16.4°C (61.5°F) and an average low of 14.6°C (58.3°F). The initiation of September sees an average high-temperature of a still comfortable 16.4°C (61.5°F), showing minor variations from the previous month. Weather in September »Weather in October
October, the same as September, in Porthleven, United Kingdom, is another mild autumn month, with an average temperature fluctuating between 14.6°C (58.3°F) and 12.9°C (55.2°F). The start of October sees the average high-temperature at a still refreshing 14.6°C (58.3°F), showing little difference from September's 16.4°C (61.5°F). Weather in October »Weather in November
November, the last month of the autumn in Porthleven, is another cool month, with an average temperature varying between 12.3°C (54.1°F) and 10.4°C (50.7°F). November experiences an average high-temperature of a fresh 12.3°C (54.1°F), barely different from October's 14.6°C (58.3°F). Weather in November »Weather in December
December, the first month of the winter in Porthleven, is also a fresh month, with an average temperature ranging between max 10.7°C (51.3°F) and min 9°C (48.2°F). Porthleven's weather in December indicates an average high-temperature of a still cool 10.7°C (51.3°F), nearly consistent with the 12.3°C (54.1°F) of November. 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
Throughout the year, in Porthleven, United Kingdom, there are 204.9 rainfall days, and 617mm (24.29") of precipitation is accumulated.
Months with snowfall are January and February.
In Porthleven, during the entire year, snow falls for 1.2 days and aggregates up to 5mm (0.2") of snow.
January is the month with the lowest UV index in Porthleven, United Kingdom, with an average maximum UV index of 2.
Porthleven, United Kingdom, experiences its lowest temperatures in February, with an average peak of 9.3°C (48.7°F) and a low of 7.1°C (44.8°F).
The months with the lowest humidity in Porthleven, United Kingdom, are February, November and December, with an average relative humidity of 79%.
February is the month with the most snowfall in Porthleven. Snow falls for 0.8 days and accumulates 3mm (0.12") of snow.
In Porthleven, United Kingdom, snow does not fall in March through December.
The month with the coldest seawater in Porthleven is March, with an average sea temperature of 9.7°C (49.5°F).
April and July, with an average of 8.5h of sunshine, are months with the most sunshine in Porthleven, United Kingdom.
May is the month with the least rainfall. Rain falls for 13.6 days and accumulates 29mm (1.14") of precipitation.
June and July, with an average relative humidity of 84%, are most humid months in Porthleven.
June has the longest days of the year, with an average of 16h and 18min of daylight.
In Porthleven, August is the warmest month, with temperatures averaging a high of 17.4°C (63.3°F) and a low of 15.8°C (60.4°F).
The month with the warmest seawater in Porthleven, United Kingdom, is August, with an average sea temperature of 17.1°C (62.8°F).
The month with the highest UV index is August, with an average maximum UV index of 5.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Porthleven, 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 Porthleven, United Kingdom, is November, when the rain falls for 21.5 days and typically aggregates up to 91mm (3.58") of precipitation.
With an average of 8h and 12min of daylight, December has the shortest days of the year.
With an average of 3.9h of sunshine, December has the least sunshine of the year in Porthleven, United Kingdom.
Average temperature
Porthleven, United Kingdom
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.3°C).
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure
Porthleven, United Kingdom
- Average pressure in January:
1014.9mbar - Average pressure in February:
1014.2mbar - Average pressure in March:
1015.7mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1017.3mbar - Average pressure in June:
1016.7mbar
- Average pressure in July:
1016.4mbar - Average pressure in August:
1015.8mbar - Average pressure in September:
1017.5mbar - Average pressure in October:
1014.7mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1015.1mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed
Porthleven, United Kingdom
- Average wind speed in January:
31.5km/h - Average wind speed in February:
31.6km/h - Average wind speed in March:
27.7km/h - Average wind speed in April:
23.3km/h - Average wind speed in May:
21.6km/h - Average wind speed in June:
21.4km/h
- Average wind speed in July:
20.8km/h - Average wind speed in August:
22.5km/h - Average wind speed in September:
24.3km/h - Average wind speed in October:
26.4km/h - Average wind speed in November:
31.6km/h - Average wind speed in December:
32.9km/h
The windiest month (with the highest average wind speed) is December (32.9km/h).
The calmest month (with the lowest average wind speed) is July (20.8km/h).
Average humidity
Porthleven, United Kingdom
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are February, November and December (79%).
Average rainfall
Porthleven, United Kingdom
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days
Porthleven, United Kingdom
- Average rainfall days in January:
20.7 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
18.1 days - Average rainfall days in November:
21.5 days - Average rainfall days in December:
21.7 days
The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is May (13.6 days).
Average snowfall
Porthleven, United Kingdom
The month with the highest snowfall is February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Porthleven, United Kingdom
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0 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 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Porthleven, United Kingdom
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).
Average daylight / Average sunshine
Porthleven, United Kingdom
- Average daylight in January:
8h and 36min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 24min - Average daylight in June:
16h and 18min
- Average daylight in July:
15h and 54min - Average daylight in August:
14h and 24min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
9h and 6min - Average daylight in December:
8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
8h and 6min
- Average sunshine in July:
8h and 30min - Average sunshine in August:
8h and 6min - Average sunshine in September:
7h and 30min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 54min
The months with the most sunshine are April and July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days
Porthleven, United Kingdom
- Average sunshine days in January:
6.5 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
9.4 days - Average sunshine days in September:
11 days - Average sunshine days in October:
8.7 days - Average sunshine days in November:
5.3 days - Average sunshine days in December:
5.4 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is November (5.3 days).
Average UV index
Porthleven, United Kingdom
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Porthleven, United Kingdom
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility
Porthleven, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
