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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, the same as December, in Ciliau Aeron, United Kingdom, is a frosty winter month, with an average temperature varying between 7.3°C (45.1°F) and 4°C (39.2°F). January and February are characterised by lowest temperatures, with an average high of 7.3°C (45.1°F). Weather in January »
Weather in February
February, the last month of the winter in Ciliau Aeron, is also a frosty month, with an average temperature ranging between max 7.3°C (45.1°F) and min 3.8°C (38.8°F). In Ciliau Aeron, United Kingdom, the coldest months are January and February, registering 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 Ciliau Aeron, United Kingdom, with temperature in the range of an average low of 4.2°C (39.6°F) and an average high of 9°C (48.2°F). The shift into March reveals an average high-temperature of a still frosty 9°C (48.2°F), closely mirroring February's climate. Weather in March »
Weather in April
April in Ciliau Aeron, United Kingdom, is a fresh spring month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 11.3°C (52.3°F). Ciliau Aeron records a slight change with April's average high-temperatures adjusting to a fresh 11.3°C (52.3°F) from March's 9°C (48.2°F). Weather in April »
Weather in May
May, the last month of the spring in Ciliau Aeron, is a mild month, with an average temperature ranging between max 13.6°C (56.5°F) and min 7.9°C (46.2°F). May commences with an average high-temperature of a mild 13.6°C (56.5°F), showing little deviation from April's 11.3°C (52.3°F). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Ciliau Aeron, United Kingdom, with an average temperature fluctuating between 16.2°C (61.2°F) and 10.5°C (50.9°F). With the start of June, Ciliau Aeron measures an average high-temperature of a still refreshing 16.2°C (61.2°F), not significantly differing from May's 13.6°C (56.5°F). Weather in June »
Weather in July
July, the same as June, is another enjoyable summer month in Ciliau Aeron, United Kingdom, with an average temperature ranging between max 17.3°C (63.1°F) and min 12.3°C (54.1°F). Temperature readings reach their annual highs in July, averaging 17.3°C (63.1°F) and a minimum average of 12.3°C (54.1°F). Weather in July »
Weather in August
The last month of the summer, August, is also an enjoyable month in Ciliau Aeron, United Kingdom, with an average temperature varying between 12.6°C (54.7°F) and 17.1°C (62.8°F). August notes an average high-temperature of a still comfortable 17.1°C (62.8°F), subtly differing from July's 17.3°C (63.1°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a mild month in Ciliau Aeron, United Kingdom, with an average temperature fluctuating between 11.3°C (52.3°F) and 15.8°C (60.4°F). The advent of September reveals an average high-temperature of a still refreshing 15.8°C (60.4°F), showing minimal difference from the prior month. Weather in September »
Weather in October
October, the same as September, in Ciliau Aeron, United Kingdom, is another mild autumn month, with an average temperature varying between 13.5°C (56.3°F) and 9.8°C (49.6°F). The arrival of October is marked by an average high-temperature of a still moderate 13.5°C (56.3°F), bearing a close resemblance to September. Weather in October »
Weather in November
November, the last month of the autumn in Ciliau Aeron, is also a fresh month, with an average temperature varying between 7°C (44.6°F) and 10°C (50°F). A mild shift in the average high-temperature occurs in November, reducing from a moderate 13.5°C (56.3°F) in October to a fresh 10°C (50°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Ciliau Aeron, United Kingdom, with temperature in the range of an average low of 5.3°C (41.5°F) and an average high of 8.4°C (47.1°F). Ciliau Aeron records an average high-temperature of a chilly 8.4°C (47.1°F) in December, maintaining a close correlation with November's 10°C (50°F). Weather in December »
Updated: Jun 9, 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 part of the year is the coldest?
Ciliau Aeron's coldest season falls during January and February, averaging a high-temperature of 7.3°C (45.1°F).
What is the most humid month?
The months with the highest humidity are January, August, September and December, with an average relative humidity of 86%.
How much does it rain?
Throughout the year, there are 227.1 rainfall days, and 784mm (30.87") of precipitation is accumulated.
When does it snow?
January through April and December are months with snowfall.
What is the snowiest month?
The months with the most snowfall in Ciliau Aeron are January and December, with an average 9mm (0.35") of accumulated snow.
How many days does it snow?
In Ciliau Aeron, during the entire year, snow falls for 5.7 days and aggregates up to 32mm (1.26") of snow.
What is the month with the least sunshine?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the least humid month?
With an average relative humidity of 82%, April is the least humid month in Ciliau Aeron.
What is the driest month?
The month with the least rainfall is May, when the rain falls for 16.3 days and typically collects 37mm (1.46") of precipitation.
When it does not snow in Ciliau Aeron?
In Ciliau Aeron, snow does not fall in May through November.
What month has the most sunshine?
May has the most sunshine of the year, with an average of 8h of sunshine.
What are the months with the highest UV index?
May through September, with an average maximum UV index of 4, are months with the highest UV index.
When are the longest days in Ciliau Aeron?
With an average of 16h and 42min of daylight, June has the longest days of the year.
What is the warmest month?
In Ciliau Aeron, the average temperatures in July are the highest, with a peak at 17.3°C (63.1°F) and a low of 12.3°C (54.1°F).
When is Daylight Saving Time (DST) in Ciliau Aeron?
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?
The wettest months are November and December, with an average 92mm (3.62") of rainfall.
What is the month with the shortest days?
With an average of 7h and 48min of daylight, December has the shortest days of the year in Ciliau Aeron.
Average temperature
Ciliau Aeron, United Kingdom
The warmest month (with the highest average high temperature) is July (17.3°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 (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure
Ciliau Aeron, United Kingdom
- Average pressure in January:
1013.2mbar - Average pressure in February:
1012.7mbar - Average pressure in March:
1014.9mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1014mbar - Average pressure in September:
1016.3mbar - Average pressure in October:
1014mbar - Average pressure in November:
1009.4mbar - Average pressure in December:
1013mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed
Ciliau Aeron, United Kingdom
- Average wind speed in January:
22.4km/h - Average wind speed in February:
22.8km/h - Average wind speed in March:
19.5km/h - Average wind speed in April:
16.5km/h - Average wind speed in May:
16km/h - Average wind speed in June:
14.8km/h
- Average wind speed in July:
14.9km/h - Average wind speed in August:
16.6km/h - Average wind speed in September:
17.5km/h - Average wind speed in October:
20.1km/h - Average wind speed in November:
22.3km/h - Average wind speed in December:
23.8km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.8km/h).
Average humidity
Ciliau Aeron, United Kingdom
The months with the highest relative humidity are January, August, September and December (86%).
The month with the lowest relative humidity is April (82%).
Average rainfall
Ciliau Aeron, United Kingdom
The wettest months (with the highest rainfall) are November and December (92mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days
Ciliau Aeron, United Kingdom
- Average rainfall days in January:
20.7 days - Average rainfall days in February:
16.6 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
17.3 days - Average rainfall days in October:
19.8 days - Average rainfall days in November:
21.7 days - Average rainfall days in December:
21.7 days
The months with the highest number of rainy days are November and December (21.7 days).
The month with the least rainy days is April (15.8 days).
Average snowfall
Ciliau Aeron, United Kingdom
The months with the highest snowfall are January and December (9mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days
Ciliau Aeron, United Kingdom
- Average snowfall days in January:
1.7 days - Average snowfall days in February:
1.5 days - Average snowfall days in March:
0.9 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:
1.3 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Ciliau Aeron, 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:
13h and 5min - Average daylight in May:
15h and 4min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 1min - 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 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 0min - Average sunshine in June:
7h and 5min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 1min - Average sunshine in September:
6h and 5min - Average sunshine in October:
4h and 2min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Ciliau Aeron, United Kingdom
- Average sunshine days in January:
6.5 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
11 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
7.8 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
9.4 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
6.3 days - Average sunshine days in December:
5.7 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index
Ciliau Aeron, 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
Ciliau Aeron, United Kingdom
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility
Ciliau Aeron, 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).
