October weather forecastSaint Johns, Guernsey
October
Weather in October
October, like September, is another refreshing autumn month in Saint Johns, Guernsey, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 13.6°C (56.5°F).Temperature
Saint Johns experiences an average high-temperature of a still refreshing 15.5°C (59.9°F) with the onset of October, subtly varied from September's 17.2°C (63°F). October sees a slight dip to an average low temperature of 13.6°C (56.5°F) from the daytime highs.Humidity
In Saint Johns, the average relative humidity in October is 79%.Rainfall
In October, the rain falls for 18.5 days. Throughout October, 58mm (2.28") of precipitation is accumulated. In Saint Johns, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.Snowfall
In Saint Johns, snow does not fall in February through December.Daylight
In Saint Johns, the average length of the day in October is 10h and 46min.On the first day of the month, sunrise is at 07:10 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
In Saint Johns, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during October leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Saint Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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 Johns, 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).
