Climate and monthly weather forecastL'Aumône, Guernsey
Climate and monthly weather forecast
The climate of L'Aumône
L'Aumône falls under the Cfb climate zone on the Köppen climate classification system, known for its marine west coast conditions with warm summers. The town is located in Guernsey, under the maritime influence that contributes to temperate conditions.Throughout the year, L'Aumône consistently has high relative humidity levels, ranging from 77% to 84%, with the peak in the summer months. Monthly temperature averages fluctuate slightly, ranging from 6.9°C (44.4°F) to 17.8°C (64°F) for low temperatures while high temperatures vary from 7.5°C (45.5°F) to 17.3°C (63.1°F). The temperature peaks occur typically in the month of August, consequently making it the warmest month in L'Aumône.
In terms of rainfall, L'Aumône sees an accumulation of between 26mm (1.02") and 78mm (3.07") through the year, tending to increase during the later months. November emerges as the month with the highest rainfall at 78mm (3.07"), whereas July has the lowest at 26mm (1.02"). Snowfall is minimal, primarily occurring in January, with other months recording no snowfall activities.
Wind conditions manifest prominently in the colder months, with average wind speeds rising to 36km/h (22.4mph) in December. The records show decreasing wind activities from the start of the year, with lower figures manifesting particularly in the summer months.
The best time to visit L'Aumône
Optimum periods for visiting L'Aumône tend to be favored around the warmer months. Particularly, the period from June to August offers an inviting climate, skipping the chilly temperature and heavy rainfall seasons. July emerges as the prime month, boasting the lowest rainfall record at just 26mm (1.02") coupled with increased daylight hours stretching to 15.8 hours and mildly strong winds averaging 21.9km/h (13.6mph).The worst time to visit L'Aumône
Conversely, November and December pose unfavorable conditions for potential visitors. November records the highest rainfall volume at 78mm (3.07"), coupled with strong wind intensities averaging 35km/h (21.7mph). December not only sustains high wind speeds but also carries the shortest daylight durations in the year, amounting to just 8.3 hours.Spring weather in L'Aumône
Spring in L'Aumône, from March through May, carries a welcome respite from the chilled winds of the preceding months. A steady rise in temperature is noticed, peaking in May at 12.8°C (55°F). However, humidity levels heighten, especially in May when levels of 82% are registered. Rainfall drops significantly, offering an average of 31mm (1.22") in April and a further decrease to 28mm (1.1") in May.Summer weather in L'Aumône
A favorable climate continues into the summer months, from June to August. Otherwise minimal fluctuations of temperature occur in these months, peaking at a comfortable high of 17.8°C (64°F) in August and a low of 15.7°C (60.3°F). Humidity levels heighten in the summer to a peak of 84%, complemented by an increase in daylight hours which reach 16.2 hours in June.Autumn weather in L'Aumône
The autumn months, particularly October and November, witness a significant increase in the rainfall volumes. The temperature begins to decline to an average of 13.2°C (55.8°F) in November. Wind speeds progressively strengthen and peak at 35km/h (21.7mph) in November.Winter weather in L'Aumône
The winter months in L'Aumône, specifically from December through February, are characterized by a considerable drop in temperature, reaching a low of 6.9°C (44.4°F) in February. Wind speeds are the highest in the year, averaging 36km/h (22.4mph) in December. Snowfall, though minimal, is noticed in January with approximately 2mm (0.08"). As winter progresses, daylight hours notably decrease, recording the least duration of 8.3 hours in December.Weather in January
L'Aumône, Guernsey, sees the year's beginning accompanied by comparably colder weather. January often contains a chilling blend of light snowfall, rain, and overcast skies. Daily sunshine periods tend to be short-lived. With an average daily high of 9.8°C (49.6°F) and a low of 7.5°C (45.5°F), January is one of the coldest months of the year in L'Aumône. Weather in January »Weather in February
February's weather, compared to that of January, presents a slight dip in average temperatures. It is a time when cold winds continue to blow and overcast skies linger, often dampening daylight durations. Mitigating snowfall could occur although it is a less likely event. Weather in February »Weather in March
As March arrives in L'Aumône, Guernsey, it brings with it a more moderate weather pattern, signalling the close of the colder months. The transition into spring sees an increase in sunlight hours, giving residents more time to enjoy the warming outdoors. Weather in March »Weather in April
April in L'Aumône marks a distinct shift from the cold, overcast days of the preceding months. The city basks in longer sunlight hours and reduced downpours, a period punctuated with blooming flowers as spring intensifies. Weather in April »Weather in May
May solidifies the arrival of mild spring weather in L'Aumône, noted by the falling rainfall amounts and longer daylight hours. The weather supports blossoming flora and encourages outdoor pursuits. The climate becomes more comfortable, encouraging city dwellers to take full advantage of the outdoor amenities. Weather in May »Weather in June
June in L'Aumône signifies the advent of summer, blessing the city with extended daylight periods. This time is characterized by generally dry weather and an increased frequency of clear skies. The climate encourages residents and visitors alike to relish the outdoors, therefore commencing the vibrant summer season. Weather in June »Weather in July
July in L'Aumône is typically a warmer month, further propelled by an increase in daily sunlight hours. The city witnesses a period rich with clear skies and minimal rain, starkly contrasting with the January cold and wet weather. Weather in July »Weather in August
As the hottest month, August weather in L'Aumône guarantees blistering temperatures, peaking at an average high of 17.8°C (64°F) and a low of 15.7°C (60.3°F). Residents embrace the warmth with frequent outdoor endeavours despite the heightened frequency of thunderstorms. Weather in August »Weather in September
September brings a change to L'Aumône's climate, gradually drawing down the summer temperatures. Despite this, the jump into Autumn remains subtler, maintaining warmer conditions suitable for outdoor activities. Decreased daylight hours signify the year's progression with Autumnal tones taking over the landscape. Weather in September »Weather in October
October in L'Aumône marks the full onset of Autumn, bringing with it more noticeable transitions in the weather. An uptick in precipitation becomes apparent, rivalling the drier summer months. The city also experiences fewer sunshine hours, prompting residents to fully embrace the indoors. Weather in October »Weather in November
November carries the brunt of Autumn in L'Aumône, being the wettest month with an average of 78mm (3.07") of rain over approximately 22.5 days. While sunlight hours decrease, residents adapt to the changing seasons with brisk walks and warm beverages. Weather in November »Weather in December
December brings forth the official start of winter, greeting L'Aumône with the year's lowest temperatures. The city experiences shorter daylight durations, leading to lengthy evening hours. Although snowfall is rare, rainfall remains frequent, creating wet and cold outdoor conditions. Weather in December »Updated: Feb 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
Throughout the year, in L'Aumône, there are 195.6 rainfall days, and 554mm (21.81") of precipitation is accumulated.
January is the only month when snow falls in L'Aumône, Guernsey.
January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.
Throughout the year, there are 0.5 snowfall days, and 2mm (0.08") of snow is accumulated.
The month of February, characterized by an average high of 9.2°C (48.6°F) and a low of 6.9°C (44.4°F), is recognized as the coldest in L'Aumône, Guernsey.
February through December are months without snowfall.
With an average maximum UV index of 2, February is the month with the lowest UV index in L'Aumône.
The months with the highest humidity in L'Aumône, Guernsey, are June and July, with an average relative humidity of 84%.
The month with the longest days in L'Aumône, Guernsey, is June, with an average of 16h and 12min of daylight.
July is the month with the least rainfall in L'Aumône, Guernsey. Rain falls for 12.9 days and accumulates 26mm (1.02") of precipitation.
The month with the most sunshine in L'Aumône is July, with an average of 9.5h of sunshine.
The months with the highest UV index in L'Aumône are July through September, with an average maximum UV index of 5.
L'Aumône's August weather reaches an average high of 17.8°C (64°F) and an average low of 15.7°C (60.3°F), making it the warmest month.
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in L'Aumône, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from GMT to BST.
November and December, with an average relative humidity of 77%, are the least humid months in L'Aumône, Guernsey.
November is the month with the most rainfall in L'Aumône, Guernsey. Rain falls for 22.5 days and accumulates 78mm (3.07") of precipitation.
December has the shortest days of the year in L'Aumône, with an average of 8h and 12min of daylight.
December has the least sunshine of the year in L'Aumône, with an average of 3.8h of sunshine.
Average temperature
L'Aumône, Guernsey
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure
L'Aumône, Guernsey
- Average pressure in January:
1016.1mbar - Average pressure in February:
1015.2mbar - Average pressure in March:
1016.2mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.4mbar - Average pressure in June:
1016.9mbar
- Average pressure in July:
1016.7mbar - Average pressure in August:
1016.4mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1015.3mbar - Average pressure in November:
1011.5mbar - Average pressure in December:
1016.6mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed
L'Aumône, Guernsey
- Average wind speed in January:
34.1km/h - Average wind speed in February:
34km/h - Average wind speed in March:
30.3km/h - Average wind speed in April:
25km/h - Average wind speed in May:
23.7km/h - Average wind speed in June:
22.8km/h
- Average wind speed in July:
21.9km/h - Average wind speed in August:
22.8km/h - Average wind speed in September:
25.7km/h - Average wind speed in October:
29.7km/h - Average wind speed in November:
35km/h - Average wind speed in December:
36km/h
The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).
Average humidity
L'Aumône, Guernsey
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).
Average rainfall
L'Aumône, Guernsey
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days
L'Aumône, Guernsey
- Average rainfall days in January:
22 days - Average rainfall days in February:
17.7 days - Average rainfall days in March:
17 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
11.4 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
18.5 days - Average rainfall days in November:
22.5 days - Average rainfall days in December:
20.5 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is June (11.4 days).
Average snowfall
L'Aumône, Guernsey
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
L'Aumône, Guernsey
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.2 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 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
L'Aumône, Guernsey
- Average daylight in January:
8h and 42min - 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 12min
- Average daylight in July:
15h and 48min - Average daylight in August:
14h and 24min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - 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 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 12min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 30min - Average sunshine in August:
9h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
4h and 48min - Average sunshine in November:
3h and 54min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days
L'Aumône, Guernsey
- Average sunshine days in January:
5.5 days - Average sunshine days in February:
6.9 days - Average sunshine days in March:
10.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
8.7 days - Average sunshine days in November:
4.2 days - Average sunshine days in December:
5.7 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4.2 days).
Average UV index
L'Aumône, Guernsey
The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover
L'Aumône, Guernsey
The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility
L'Aumône, Guernsey
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).
