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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Pennal, United Kingdom, is another cold winter month, with an average temperature fluctuating between 1.7°C (35.1°F) and 5.7°C (42.3°F). With an average high-temperature of 5.7°C (42.3°F) and an average low-temperature of 1.7°C (35.1°F), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Pennal, is a chilly month, with an average temperature ranging between max 6.1°C (43°F) and min 1.6°C (34.9°F). The arrival of February brings an average high-temperature of a chilly 6.1°C (43°F), closely following the temperature pattern of January. Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Pennal, United Kingdom, with an average temperature ranging between max 8.4°C (47.1°F) and min 2.2°C (36°F). Stepping into March, Pennal records an average high-temperature of a still chilly 8.4°C (47.1°F), almost consistent with February. Weather in March »
Weather in April
April in Pennal, United Kingdom, is a fresh spring month, with temperature in the range of an average low of 3.7°C (38.7°F) and an average high of 11.3°C (52.3°F). The arrival of April denotes a barely perceptible change in the average high-temperatures to a cool 11.3°C (52.3°F) from March's 8.4°C (47.1°F). Weather in April »
Weather in May
May, the last month of the spring in Pennal, is a moderate month, with an average temperature varying between 13.8°C (56.8°F) and 6.2°C (43.2°F). Pennal greets May with an average high-temperature of a moderate 13.8°C (56.8°F), marking a slight deviation from the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Pennal, is an enjoyable month, with an average temperature fluctuating between 8.6°C (47.5°F) and 16.2°C (61.2°F). Entering June, Pennal's average high-temperature reads a still refreshing 16.2°C (61.2°F), indicating a close resemblance to the previous month's climate. Weather in June »
Weather in July
July, like June, in Pennal, United Kingdom, is another comfortable summer month, with an average temperature fluctuating between 17.4°C (63.3°F) and 10.4°C (50.7°F). With an average high-temperature of 17.4°C (63.3°F) and an average low-temperature of 10.4°C (50.7°F), July is the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another refreshing month in Pennal, United Kingdom, with an average temperature fluctuating between 10.6°C (51.1°F) and 16.9°C (62.4°F). August's advent notes a subtle adjustment in average high-temperature to a still enjoyable 16.9°C (62.4°F) from July. Weather in August »
Weather in September
September, the first month of the autumn in Pennal, is also a moderate month, with an average temperature ranging between max 15.2°C (59.4°F) and min 8.9°C (48°F). September welcomes an average high-temperature of a moderate 15.2°C (59.4°F), not much different from the preceding month. Weather in September »
Weather in October
October, like September, in Pennal, United Kingdom, is a cool autumn month, with temperature in the range of an average low of 7.1°C (44.8°F) and an average high of 12.3°C (54.1°F). Pennal, United Kingdom, experiences a transition to a fresh 12.3°C (54.1°F) in average high-temperatures with the arrival of October, not greatly differing from September's 15.2°C (59.4°F). Weather in October »
Weather in November
November, the last month of the autumn in Pennal, is also a frosty month, with an average temperature ranging between max 8.5°C (47.3°F) and min 4.7°C (40.5°F). The arrival of November corresponds with a minor reduction in the average high-temperature, down from October's cool 12.3°C (54.1°F) to a frosty 8.5°C (47.3°F). Weather in November »
Weather in December
December, the first month of the winter in Pennal, is also a frosty month, with an average temperature ranging between min 3°C (37.4°F) and max 6.6°C (43.9°F). The ushering in of December brings an average high-temperature of a still frosty 6.6°C (43.9°F), closely mirroring the 8.5°C (47.3°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
What time of the year is the coldest in Pennal?
In Pennal, January records the average lowest temperatures, peaking at 5.7°C (42.3°F) and reaching a low of 1.7°C (35.1°F).
What is the most humid month in Pennal?
The months with the highest humidity are January, October through December, with an average relative humidity of 90%.
How many days does it rain in Pennal?
Throughout the year, in Pennal, United Kingdom, there are 212 rainfall days, and 785mm (30.91") of precipitation is accumulated.
When does it snow in Pennal?
January through May, November and December are months with snowfall in Pennal, United Kingdom.
How many days does it snow in Pennal?
In Pennal, United Kingdom, during the entire year, snow falls for 17.5 days and aggregates up to 199mm (7.83") of snow.
What are the months with the least sunshine in Pennal?
January and February, with an average of 3.2h of sunshine, are months with the least sunshine in Pennal, United Kingdom.
What are the months with the lowest UV index in Pennal?
The months with the lowest UV index in Pennal are January through March, November and December, with an average maximum UV index of 2.
What is the snowiest month in Pennal?
The month with the most snowfall in Pennal is February, when snow falls for 4.9 days and typically aggregates up to 61mm (2.4") of snow.
What are the least humid months in Pennal?
The months with the lowest humidity are April and May, with an average relative humidity of 84%.
What is the driest month in Pennal?
The month with the least rainfall is May, when the rain falls for 17.3 days and typically collects 41mm (1.61") of precipitation.
What month has the most sunshine in Pennal?
May has the most sunshine of the year in Pennal, with an average of 7h of sunshine.
When is the highest UV index in Pennal?
The months with the highest UV index in Pennal are May through August, with an average maximum UV index of 4.
When it does not snow in Pennal?
In Pennal, snow does not fall in June through October.
When are the longest days in Pennal?
June has the longest days of the year in Pennal, United Kingdom, with an average of 16h and 48min of daylight.
What time of the year is the hottest in Pennal?
The highest temperatures in Pennal are recorded in July, with averages reaching a high of 17.4°C (63.3°F) and a low of 10.4°C (50.7°F).
When is Daylight Saving Time (DST) in Pennal?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, 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.
What is the wettest month in Pennal?
The month with the most rainfall in Pennal is December, when the rain falls for 19.8 days and typically aggregates up to 90mm (3.54") of precipitation.
What is the month with the shortest days in Pennal?
The month with the shortest days in Pennal is December, with an average of 7h and 42min of daylight.
Average temperature
Pennal, United Kingdom
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (5.7°C).
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure
Pennal, United Kingdom
- Average pressure in January:
1013mbar - Average pressure in February:
1012.5mbar - Average pressure in March:
1014.8mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1015.6mbar
- Average pressure in July:
1014.5mbar - Average pressure in August:
1013.8mbar - Average pressure in September:
1016.1mbar - Average pressure in October:
1014mbar - Average pressure in November:
1009.3mbar - Average pressure in December:
1012.7mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed
Pennal, United Kingdom
- Average wind speed in January:
18.6km/h - Average wind speed in February:
18.8km/h - Average wind speed in March:
16.8km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
13.9km/h - Average wind speed in June:
12.3km/h
- Average wind speed in July:
12.4km/h - Average wind speed in August:
13.6km/h - Average wind speed in September:
13.9km/h - Average wind speed in October:
15.6km/h - Average wind speed in November:
17.2km/h - Average wind speed in December:
19.3km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is June (12.3km/h).
Average humidity
Pennal, United Kingdom
The months with the highest relative humidity are January, October, November and December (90%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall
Pennal, United Kingdom
The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days
Pennal, United Kingdom
- Average rainfall days in January:
18.1 days - Average rainfall days in February:
14.3 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
20 days - Average rainfall days in September:
16.4 days - Average rainfall days in October:
17.9 days - Average rainfall days in November:
19.4 days - Average rainfall days in December:
19.8 days
The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is February (14.3 days).
Average snowfall
Pennal, United Kingdom
The month with the highest snowfall is February (61mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Pennal, United Kingdom
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.9 days - Average snowfall days in March:
2.9 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.2 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:
1.1 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Pennal, United Kingdom
- Average daylight in January:
8h and 2min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 5min
- Average daylight in July:
16h and 2min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 1min - Average sunshine in April:
6h and 4min - Average sunshine in May:
7h and 0min - Average sunshine in June:
6h and 4min
- Average sunshine in July:
6h and 5min - Average sunshine in August:
6h and 2min - Average sunshine in September:
5h and 5min - Average sunshine in October:
3h and 5min - Average sunshine in November:
3h and 2min - Average sunshine in December:
3h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days
Pennal, United Kingdom
- Average sunshine days in January:
8.3 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
8.7 days
- Average sunshine days in July:
8.3 days - Average sunshine days in August:
6.6 days - Average sunshine days in September:
10.3 days - Average sunshine days in October:
10 days - Average sunshine days in November:
8.2 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is March (12.3 days).
The month with the least sunshine days is August (6.6 days).
Average UV index
Pennal, 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
Pennal, United Kingdom
The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility
Pennal, United Kingdom
The month with the highest visibility is March (9km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (8km).
