Climate and monthly weather forecast
Carmel, Guernsey

Climate and monthly weather forecast

The climate of Carmel

Carmel, situated in Guernsey, falls under the classification of a Cfb climate according to the Köppen climate classification. This typology of climate is often associated with regional geographic features such as a Marine west coast with warm summer. Annual trends in thorough analysis of the weather parameters reveal that Carmel has mild fluctuations throughout the year.

Monthly high temperatures, for instance, seldom drop below 9.2°C (48.6°F), with the coldest month being February. The warmest month is August, when temperatures can rise to 17.8°C (64°F). Low temperatures exhibit a similar pattern, with the coldest month being February at 7°C (44.6°F) and the warmest month being August at 15.8°C (60.4°F). Relative humidity stays between 77% and 84%, indicating a generally damp environment.

Carmel receives rainfall throughout the year, ranging from 26mm (1.02") in July, the driest month, to 87mm (3.43") in November, the wettest month. A similarly variational pattern is seen in the number of rainfall days, with the least in June at 11.5 days and the most in November and December, both exceeding 21 days. Snowfall is practically non-existent throughout the year.

The daylight length varies from 8.3 hours in the shorter days of December to 16.2 hours in the long days of June. Sunshine hours range from a low of 3.9 hours in December and January to a high of 9.7 hours in July. The UV index indicates moderate exposure from February to October, with low exposure in the remaining months. The average wind velocity stays fairly consistent, varying between 21.9km/h (13.6mph) in July to 36km/h (22.4mph) in December.

The best time to visit Carmel

Taking into consideration the warmest temperatures, the longest daylight hours, and the least precipitation, it becomes evident that the best time to visit Carmel would be in the summer months, particularly June and July. These months feature the longest daylight hours, ranging from 15.4 hours to 16.2 hours respectively. They also have favourable temperature conditions with highest temperatures rising to 15.2°C (59.4°F) in June and 16.9°C (62.4°F) in July. Furthermore, these months experience the lowest rainfall, with just 33mm (1.3") in June and 26mm (1.02") in July, along with fewer rainfall days, recording 11.5 and 12.8 days respectively.

The worst time to visit Carmel

The least favourable time to visit Carmel would be the later part of Autumn, specifically November. It experiences the highest rainfall in the year with a substantial 87mm (3.43"), and it also records the highest number of rainfall days in the year, at a significant 22.8 days.

Spring weather in Carmel

Spring in Carmel, from March to May, features slowly increasing temperatures, ranging from high temperatures of 9.8°C (49.6°F) to 12.8°C (55°F) and low temperatures of 7.4°C (45.3°F) to 10.6°C (51.1°F). The season also sees a decreasing trend in rainfall, with 38mm (1.5") in March, 32mm (1.26") in April, and 27mm (1.06") in May. Daylight gradually lengthens, from approximately 11.9 hours in March to 15.4 hours in May. Average wind speed decreases significantly from 30.3km/h (18.8mph) in March to 23.7km/h (14.7mph) in May.

Summer weather in Carmel

Summer in Carmel, which extends from June to August, experiences the highest temperatures, with the highest recorded temperatures fluctuating from 15.2°C (59.4°F) to 17.8°C (64°F) and the lowest temperatures hovering between 13.2°C (55.8°F) to 15.8°C (60.4°F). Rainfall trends mildly upwards, cumulating 33mm (1.3") in June, 26mm (1.02") in July, and 41mm (1.61") in August. The daylight hours peak in June with 16.2 hours, before gradually tapering off to 15.8 hours in July and 14.4 hours in August.

Autumn weather in Carmel

Autumn, occurring between September and November, witnesses a downturn in temperatures. The highest temperatures lie between 17.2°C (63°F) and 13°C (55.4°F) and the lowest temperatures range between 15.4°C (59.7°F) and 10.9°C (51.6°F). Rainfall catches an upward trend, with September seeing 31mm (1.22") of rain, October 58mm (2.28") and a sharp increase to 87mm (3.43") in November. Daylight hours diminish significantly to 10.8 hours in October and 9.1 hours in November.

Winter weather in Carmel

Winter in Carmel is marked by cooler temperatures and shorter daylight hours. High temperatures drop from 11.1°C (52°F) in December to 9.2°C (48.6°F) in February, with low temperatures dropping from 9.2°C (48.6°F) in December to 7°C (44.6°F) in February. Rainfall hovers around 70mm (2.76") in December, before sharply decreasing to 51mm (2.01") in January and 38mm (1.5") in February. The shortest daylight hours are in December with 8.3 hours, slowly increasing to 8.7 hours in January and 10.2 hours in February.

Weather in January

Beginning the year, weather patterns in January in Carmel, Guernsey can be quite challenging, with temperatures at their lowest for the year and juggling among varying weather conditions. The cold temperatures see moderate highs of 9.8°C (49.6°F) and lows of 7.8°C (46°F). Weather in January »

Weather in February

Transitioning towards the latter part of winter, February in Carmel, Guernsey sees a slight decrease in temperatures. Conditions remain calm compared to the gusty January, yet the month doesn't escape the general winter cold, as it comes second to only January in terms of chilling lows. Weather in February »

Weather in March

March marks the beginning of spring in Carmel, Guernsey with a noticeable rise in temperatures. It brings a little warmth to the area, with temperatures taking an upward turn from February's chill. An increase in daylight hours improves visibility and gives the locals more time to enjoy the outdoors. Weather in March »

Weather in April

Carmel, Guernsey, welcomes significant warmth in April as it strides further into spring. Relative humidity drops, and the increase in temperatures creates a more pleasing climate for outdoor activities. April's lengthy daylight hours of 13.8 hours offer plenty of sunshine to enjoy. Weather in April »

Weather in May

May in Carmel, Guernsey manifests as quite a humid month. Moisture levels rise significantly, but the weather is not too warm to be uncomfortable. Sea temperatures rise, making beach visits more enjoyable than they were in the previous months. Weather in May »

Weather in June

June ushers in the summer season in Carmel, Guernsey. It brings with it pleasant weather and makes it an ideal time for a beach holiday. Highest recorded UV Index values of 4, because of longer sun exposure, bring about considerations for skin protection. Weather in June »

Weather in July

July is the heart of summer in Carmel, Guernsey, characterized by warm and humid days. Temperatures frequently hit their yearly highs, reaching up to 16.9°C (62.4°F) during the day. Evenings are comfortable with lows hovering around the mid-teens in°C. Weather in July »

Weather in August

August in Carmel, Guernsey continues to uphold the summer favorites - warm temperatures coupled with persistent daylight. This is a popular month for outdoor activities due to the favorable weather. A slight rise in rainfall makes the month's climate a mix of sunny and wet days. Weather in August »

Weather in September

September signals the end of summer as Carmel, Guernsey begins transitioning into autumn. It is a crucial transition, as temperatures start descending from the summer's heat, providing relief. Winds remain relatively steady, causing the climate to be more stable than in previous months. Weather in September »

Weather in October

In October, autumn full-on kicks into gear in Carmel, Guernsey with temperatures' noticeable drop. However, they still remain moderate, ensuring a comfortable climate. Rainfall starts to ramp up with 58mm (2.28") recorded on average, leading to an increased cloud cover. Weather in October »

Weather in November

November in Carmel, Guernsey sees a further dip in temperature, pushing it closer to winter. This month brings rainy days, with rainfall peaking at 87mm (3.43") making it the wettest month of the year. The earlier sunsets and decrease in daylight hours are a sign of the imminent arrival of the winter season. Weather in November »

Weather in December

Carmel, Guernsey wraps up the year with the onset of winter. Akin to the winter trend, the temperature decreases, bringing colder and shorter days. December, shall become the windiest month, with average speeds reaching up to 36km/h (22.4mph), with gusts hitting 49.8km/h (30.9mph). Weather in December »

Frequently asked questions

How many days does it rain in Carmel?
In Carmel, Guernsey, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.
When does it snow in Carmel?
January is the only month when snow falls in Carmel.
When does it snow the most in Carmel?
January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.
How much does it snow in Carmel?
Throughout the year, in Carmel, there are 0.5 snowfall days, and 2mm (0.08") of snow is accumulated.
What is the month with the least sunshine in Carmel?
The months with the least sunshine in Carmel are January, November and December, with an average of 3.9h of sunshine.
What month is the coldest in Carmel?
February tends to be the coldest month, with temperatures averaging a daily high of 9.2°C (48.6°F) and a low of 7°C (44.6°F).
When it does not snow in Carmel?
February through December are months without snowfall in Carmel, Guernsey.
When is the lowest UV index in Carmel?
With an average maximum UV index of 2, February is the month with the lowest UV index.
What are the most humid months in Carmel?
June and July, with an average relative humidity of 84%, are most humid months in Carmel, Guernsey.
When are the longest days in Carmel?
The month with the longest days in Carmel, Guernsey, is June, with an average of 16h and 12min of daylight.
What is the driest month in Carmel?
The month with the least rainfall is July, when the rain falls for 12.8 days and typically collects 26mm (1.02") of precipitation.
What month has the most sunshine in Carmel?
July has the most sunshine of the year in Carmel, Guernsey, with an average of 9.7h of sunshine.
When is the highest UV index in Carmel?
The months with the highest UV index in Carmel, Guernsey, are July through September, with an average maximum UV index of 5.
What are the warmest months in Carmel?
August, with its average high-temperature of 17.8°C (64°F) and an average low-temperature of 15.8°C (60.4°F), holds the record as the warmest month in Carmel, Guernsey.
When is Daylight Saving Time (DST) in Carmel?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Carmel, Guernsey, 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.
What are the least humid months in Carmel?
November and December, with an average relative humidity of 77%, are the least humid months in Carmel.
What is the wettest month in Carmel?
November is the month with the most rainfall in Carmel. Rain falls for 22.8 days and accumulates 87mm (3.43") of precipitation.
What is the month with the shortest days in Carmel?
The month with the shortest days in Carmel, Guernsey, is December, with an average of 8h and 12min of daylight.
Average temperature - Carmel, Guernsey
Average temperature
Carmel, 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 (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).

Average pressure - Carmel, Guernsey
Average pressure
Carmel, Guernsey

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 - Carmel, Guernsey
Average wind speed
Carmel, Guernsey

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 - Carmel, Guernsey
Average humidity
Carmel, 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 - Carmel, Guernsey
Average rainfall
Carmel, Guernsey

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days - Carmel, Guernsey
Average rainfall days
Carmel, Guernsey

The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).

Average snowfall - Carmel, Guernsey
Average snowfall
Carmel, 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 - Carmel, Guernsey
Average snowfall days
Carmel, Guernsey

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 - Carmel, Guernsey
Average daylight / Average sunshine
Carmel, Guernsey

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).

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).

Average sunshine days - Carmel, Guernsey
Average sunshine days
Carmel, Guernsey

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).

Average UV index - Carmel, Guernsey
Average UV index
Carmel, 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 visibility - Carmel, Guernsey
Average visibility
Carmel, 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).

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