October weather forecastSaint Sampson, Guernsey

October

Weather in October

October in Saint Sampson marks a further evolutionary stage in autumn, complete with a palpable fall in temperatures. The mercury shows readings that oscillate between 13.6°C (56.5°F) and 15.5°C (59.9°F), a fall that draws a significant departure from the heat of the summer months. Distinctive to October is a surge in rainfall, almost double that of September, emphasizing the autumn setting. The Atlantic breezes become stronger, signaling the advent of the colder months. Still, its robust gusts leave the city's foliage radiating in a splendid display of autumnal color.

Temperature

October's beginning in Saint Sampson signals an average high-temperature of a mild 15.5°C (59.9°F), barely different from September's 17.2°C (63°F). In October, Saint Sampson temperatures settle at a low of 13.6°C (56.5°F) during the nights, reflecting a minor change from daytime highs.

Humidity

In October, the average relative humidity in Saint Sampson, Guernsey, is 79%.

Rainfall

In October, in Saint Sampson, Guernsey, the rain falls for 18.5 days. Throughout October, 58mm (2.28") of precipitation is accumulated. In Saint Sampson, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

February through December are months without snowfall in Saint Sampson.

Daylight

The average length of the day in October is 10h and 46min.
On the first day of October, sunrise is at 07:10 and sunset at 18:48 BST. On the last day of the month, sunrise is at 06:57 and sunset at 16:49 GMT.
Note: On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 01:00; consequently, the time zone reverts from GMT to BST.

Sunshine

In October, the average sunshine is 4.9h.

UV index

In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, a daily maximum UV index of 4 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during October is 15.5°C (59.9°F) and the low-temperature is 13.6°C (56.5°F).

In October, the average relative humidity in Saint Sampson is 79%.

In October, in Saint Sampson, the rain falls for 18.5 days. Throughout October, 58mm (2.28") of precipitation is accumulated.

February through December are months without snowfall in Saint Sampson.

The average day length in October is 10h and 46min.

On the first day of October in Saint Sampson, sunrise is at 07:10 and sunset at 18:48 BST. On the last day of the month, sunrise is at 06:57 and sunset at 16:49 GMT.

On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Saint Sampson, Guernsey, and the time zone changes from BST to GMT. The next DST starts on Sunday, 30. March 2025, at 01:00.

In Saint Sampson, the average sunshine duration in October is 4.9h.

In October, the average daily maximum UV index in Saint Sampson, Guernsey, is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S October N D

Sep

October

Nov

Average high temperature

17.2°C

15.5°C

13°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

26.4km/h

30.8km/h

36.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.1

8.6

Average UV index

Average cloud cover

Average visibility

Average temperature in October
Saint Sampson, Guernsey

Average high temperature in October: 15.5°C

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).

Average low temperature in October: 13.6°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 in October
Saint Sampson, Guernsey

Average pressure in October: 1015.7mbar

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 in October
Saint Sampson, Guernsey

Average wind speed in October: 29.1km/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 in October
Saint Sampson, Guernsey

Average humidity in October: 79%

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 in October
Saint Sampson, Guernsey

Average rainfall in October: 58mm

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

Average rainfall days in October
Saint Sampson, Guernsey

Average rainfall days in October: 18.5 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 in October
Saint Sampson, Guernsey

Average snowfall in October: 0mm

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 in October
Saint Sampson, Guernsey

Average snowfall days in October: 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 in October /
Average sunshine in October
Saint Sampson, Guernsey

Average daylight in October: 10h and 48min

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 October: 4h 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 in October
Saint Sampson, Guernsey

Average sunshine days in October: 8.6 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 in October
Saint Sampson, Guernsey

Average UV index in October: 4

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 in October
Saint Sampson, Guernsey

Average cloud cover in October: 50

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 in October
Saint Sampson, Guernsey

Average visibility in October: 10km

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).