Climate and monthly weather forecastCobo, Guernsey
Climate and monthly weather forecast
The climate of Cobo
Situated on an island of Guernsey, Cobo experiences a climate that can be classified under the Köppen climate classification as Cfb, known as the Marine West Coast, warm summer climate. This type of climate bears witness to temperatures that are relatively mild and well-distributed rainfall throughout the year.Overall, temperatures over the course of the year in Cobo exhibit a low level of variation, with the average high ranging from 9.2°C (48.6°F) to 17.8°C (64°F), and the average low oscillating from 7°C (44.6°F) to 15.8°C (60.4°F). Humidity hovers steadily around the high 70s to low 80s in terms of relative percentages, indicating a consistent level of moisture in the air. Rainfall faces some fluctuation, registering a low of 26mm (1.02") in July and peaking at 87mm (3.43") in November. Similarly, the number of rainfall days also varies from a low of 11.5 in June to a high of 22.8 in November.
One distinguishing feature to note is the lack of snowfall in Cobo. Average snowfall registers at 0mm (0") throughout the year, underscoring the island's typically warm climate. On the flip side, the island sees plenty of sunlight with daylight hours reaching a maximum of 16.2 hours in June and dipping to a minimum of 8.3 hours in December.
The Best Time to Visit Cobo
Judging from the climatic parameters, the most pleasant period to pay a visit to Cobo lies somewhere between late spring and early summer, specifically from May to June. During this time, temperatures remain comfortable, averaging between 12.8°C (55°F) to 15.2°C (59.4°F) during the day and 10.6°C (51.1°F) to 13.2°C (55.8°F) at night. Humidity is at a slightly higher range, but still tolerable. More importantly, rainfall is comparatively minimal, sitting at 27mm (1.06") in May and 33mm (1.3") in June, with the number of rainfall days also at their lowest, 11.8 in May and 11.5 in June respectively. Visitors can also enjoy the added bonus of the longest daylight hours during this period, with an average of 15.4 hours in May and 16.2 hours in June.The Worst Time to Visit Cobo
Conversely, the least ideal time to visit would be later in the year, specifically in the months of November and December. In these months, temperatures drop down to 13°C (55.4°F) and 11.1°C (52°F) during the day and 10.9°C (51.6°F) and 9.2°C (48.6°F) at night. Rainfall reaches its peak at this time, with 87mm (3.43") and 70mm (2.76") recorded in November and December respectively. The number of rainfall days also raises to 22.8 in November and 21.4 in December. Along with these, daylights hours see a decrease, marking 9.1 hours in November and 8.3 hours in December.Spring Weather in Cobo
In Cobo, spring, from March to May, brings a noted increase in temperatures. Average high in this season ranges from 9.8°C (49.6°F) to 12.8°C (55°F) and the average low oscillates between 7.4°C (45.3°F) to 10.6°C (51.1°F). Rainfall sees a general decline, averaging 38mm (1.5") in March, 32mm (1.26") in April, and reaching the year's second lowest of 27mm (1.06") by May. Correspondingly, the number of rainfall days steadily decreases from 17 in March, to 13.3 in April, and 11.8 in May. Sunshine grows more abundant with each passing month: sunshine hours per day rise from 6.2 in March to 9.1 by May.Summer Weather in Cobo
Summer in Cobo, from June to August, pairs relatively high temperatures with the year's lowest precipitation levels. Daytime high temperatures average between 15.2°C (59.4°F) to 17.8°C (64°F) while nightfalls cool down to 13.2°C (55.8°F) to 15.8°C (60.4°F). Rainfall remains low, fluctuating modestly from 33mm (1.3") in June, 26mm (1.02") in July, and back up to 41mm (1.61") in August. Correspondingly, the number of rainfall days varies minimally, from 11.5 in June, 12.8 in July, and 14 in August. These months not only experience the longest daylight hours, peaking at 16.2 hours in June, but also boast the highest UV index of 5 in July and August.Autumn Weather in Cobo
In the Autumn months from September to November, temperatures in Cobo begin a gradual decline from 17.2°C (63°F) in September to 13°C (55.4°F) in November during the day, and 15.4°C (59.7°F) to 10.9°C (51.6°F) at night. Rainfall sees a sharp increase over these months, scaling from 31mm (1.22") in September, to 58mm (2.28") in October, and peaking at the year's highest of 87mm (3.43") in November. As a consequence, the number of rainfall days also rises from 13.5 in September, to 18.5 in October, and to a peak of 22.8 in November.Winter Weather in Cobo
Winter, encompassing December to February, brings the coldest conditions of the year to Cobo. Average high temperatures range from 11.1°C (52°F) to 9.2°C (48.6°F) and lows vary between 9.2°C (48.6°F) to 7°C (44.6°F). Rainfall remains high, though slightly lower than in the Autumn, at 70mm (2.76") in December and decreasing to 63mm (2.48") by February. The number of rainfall days stays relatively stable, ranging from 21.4 in December to 17.7 in February. At the same time, the number of daylight hours is at its lowest, measuring 8.3 hours in December and increasing only slightly to 10.2 hours by February. Despite the generally cold and wet weather in this period, snowfall remains at 0mm (0"), characteristic of the island's marine climate.Weather in January
January in Cobo, Guernsey starts the year with temperatures recording an average high of 9.8°C (49.6°F) and a low of 7.8°C (46°F). Rain is quite frequent in this month, adding a characteristic dampness to the weather. Transitioning from December, temperatures experience a minimal shift while the rainfalls reduce substantially. Weather in January »Weather in February
By February, the weather in Cobo, Guernsey experiences a slight drop in temperatures, making it marginally cooler than January. The drop in rainfall, 51mm (2.01") compared to January's 63mm (2.48"), makes this month less wet. Despite occasional sunshine, there is a persistent chill in the air. Weather in February »Weather in March
March weather brings a tinge of warmth back to Cobo, Guernsey. The highlights of the month's weather include a decrease in rainfall down to 38mm (1.5") and a hike in peaks of sunshine. Air temperatures begin climbing, signaling the onset of spring. Weather in March »Weather in April
As Cobo, Guernsey steps into April, the weather experiences significant changes. A noteworthy point is the lowest amount of rainfall for the year at only 32mm (1.26"). This month ushers in longer days of sunshine indicating the approach of summer. Weather in April »Weather in May
The month of May in Cobo, Guernsey, is when the balmy summer weather starts to make its presence felt. The key highlight of the month's weather is the daylight stretch to 15.4 hours. With higher temperatures and longer daylight hours, May displays a weather favorable to outdoor activities. Weather in May »Weather in June
June in Cobo, Guernsey brings in the bright summer time. The month sees weather conditions peaking to a high of 15.2°C (59.4°F) and maintaining the longest daylight period of 16.2 hours. The climate remains warm and dry, with adequate sunshine, marking the month as the beginning of peak summer. Weather in June »Weather in July
July is the warmest month of the year in Cobo, Guernsey with temperatures soaring to a high of 16.9°C (62.4°F). This period showcases a true summer setting with elongated sunshine hours and clear, blue skies. This is the time when beach activities pick up due to the consistent warm temperature. Weather in July »Weather in August
August in Cobo, Guernsey, continues the warm weather streak started by July. However, rainfall increases to 41mm (1.61") from July's mere 26mm (1.02"). While the temperature does not change significantly, the increased rainfall could result in considerable cloud cover. Weather in August »Weather in September
September witnesses a climatic shift as Cobo, Guernsey, starts stepping into autumn. While the high temperatures stick around at 17.2°C (63°F), the rainfall also sees an increase moving up to 31mm (1.22"). With a decrease in daylight hours, evenings come in early, manifesting the onset of the autumn season. Weather in September »Weather in October
In October, weather in Cobo, Guernsey begins its transition towards winter, with temperatures starting to fall. A significant increase in rainfall to 58mm (2.28"), almost double of that in September, enhances the presence of humidity in the air. Weather in October »Weather in November
November is the rainiest month of the year in Cobo, Guernsey with an increase in precipitation to 87mm (3.43"). Alongside, the temperatures continue their dip, making the days considerably cooler. The shorter days and longer nights are indicative of the close arrival of winter. Weather in November »Weather in December
December is indeed the chilliest month in Cobo, Guernsey, rounding off the year with the lowest hours of daylight of 8.3 hours. With temperatures sinking to a low of 9.2°C (48.6°F), the month portrays a distinct winter scenery complete with frequent showers. 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 Cobo, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.
January is the only month when snow falls in Cobo, Guernsey.
January is the month with the most snowfall in Cobo, Guernsey. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.
Throughout the year, in Cobo, Guernsey, there are 0.5 snowfall days, and 2mm (0.08") of snow is accumulated.
January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine.
February, with an average high of 9.2°C (48.6°F) and a low of 7°C (44.6°F), signifies the coldest month of the year in Cobo, Guernsey.
February through December are months without snowfall.
The month with the lowest UV index in Cobo, Guernsey, is February, with an average maximum UV index of 2.
June and July, with an average relative humidity of 84%, are most humid months in Cobo.
The month with the longest days in Cobo, Guernsey, is June, with an average of 16h and 12min of daylight.
The month with the least rainfall is July, when the rain falls for 12.8 days and typically collects 26mm (1.02") of precipitation.
With an average of 9.7h of sunshine, July has the most sunshine of the year.
The months with the highest UV index in Cobo, Guernsey, are July through September, with an average maximum UV index of 5.
Temperature readings in Cobo reach their annual highs in August, averaging 17.8°C (64°F) and a minimum average of 15.8°C (60.4°F).
On Sunday, 27. October 2024, at 02:00, 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 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.
November is the month with the most rainfall in Cobo, Guernsey. Rain falls for 22.8 days and accumulates 87mm (3.43") of precipitation.
December has the shortest days of the year in Cobo, Guernsey, with an average of 8h and 12min of daylight.
Average temperature
Cobo, 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
Cobo, 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:
1015.7mbar - Average pressure in November:
1011.5mbar - Average pressure in December:
1016.5mbar
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
Cobo, 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:
25.8km/h - Average wind speed in October:
29.1km/h - Average wind speed in November:
34.8km/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
Cobo, 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
Cobo, Guernsey
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days
Cobo, 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:
11.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
14 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
18.5 days - Average rainfall days in November:
22.8 days - Average rainfall days in December:
21.4 days
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
Cobo, 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
Cobo, 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
Cobo, 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 6min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 12min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 54min - Average sunshine in November:
3h and 54min - Average sunshine in December:
3h and 54min
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
Cobo, 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 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
8.6 days - Average sunshine days in November:
4 days - Average sunshine days in December:
5.3 days
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
Cobo, 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
Cobo, Guernsey
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility
Cobo, 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).
