October weather forecastGroignêt, Guernsey
October
Weather in October
Groignêt, Guernsey experiences the first significant chill in October, with rainfall dramatically increasing to 87mm (3.43") over 22.8 days. The brisk autumn weather starts to become more evident. The reduced daylight hours and cloudier skies become more pronounced than in the preceding months. Occurrences of gusty winds begin to make an appearance, signifying change. The visible shift of seasons impacts outdoor activities and attire.Temperature
Groignêt sees the arrival of October with an average high-temperature of a mild 15.5°C (59.9°F), indicating a subtle variation from September. A minor drop in temperature is observed from daytime highs in Groignêt during the nights of October, averaging a still moderate 13.6°C (56.5°F).Humidity
In October, the average relative humidity is 79%.Rainfall
In Groignêt, in October, it is raining for 18.5 days, with typically 58mm (2.28") of accumulated precipitation. In Groignêt, Guernsey, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.Snowfall
In Groignêt, snow does not fall in February through December.Daylight
In October, the average length of the day is 10h and 46min.On the first day of the month, sunrise is at 07:11 and sunset at 18:48 BST. On the last day of October, 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
The average sunshine in October is 4.9h.UV index
The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 during October translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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).





