Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
Transitioning from September to October, Grytviken observes an average high-temperature of an icy 0.1°C (32.2°F), differing subtly from the previous month. Grytviken reports an average low-temperature of -2.3°C (27.9°F) during the subtly cooler October nights.Humidity
The average relative humidity in October is 89%.Rainfall
The month with the least rainfall is October, when the rain falls for 10.5 days and typically collects 82mm (3.23") of precipitation.Snowfall
January through December are months with snowfall. In Grytviken, during October, snow falls for 16.5 days and regularly aggregates up to 278mm (10.94") of snow. Throughout the year, there are 193 snowfall days, and 3130mm (123.23") of snow is accumulated.Sea temperature
August through October, with an average sea temperature of 0°C (32°F), are months with the coldest seawater.Note: During swimming activities, this situation is lethal and fraught with danger. The frigid water triggers acute discomfort and swift hyperventilation. A specialized swimsuit is necessary to reduce thermal harm.
Daylight
The average length of the day in October is 13h and 54min.On the first day of the month, sunrise is at 05:49 and sunset at 18:41. On the last day of October, sunrise is at 04:39 and sunset at 19:39 -02.
Sunshine
October has the most sunshine of the year, with an average of 5.8h of sunshine.UV index
January through December, with an average maximum UV index of 1, are months with the highest UV index. January through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 1 in October translates into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in October?
What is the average humidity in October?
What is the driest month?
How many days does it rain in October?
How much does it snow in October?
What are the months with the coldest sea water?
What is the water temperature in October?
How many hours of daylight does Grytviken have in October?
When are sunrise and sunset in October?
What month has the most sunshine?
How many hours of sunshine does Grytviken have in October?
When is the highest UV index?
What are the months with the lowest UV index?
What is the UV index intensity in October?
Average temperature in October
Grytviken, South Georgia and the South Sandwich Islands
- Average high temperature in October: 0.1°C
The warmest month (with the highest average high temperature) is February (3.1°C).
The month with the lowest average high temperature is August (-1.6°C).
- Average low temperature in October: -2.3°C
The month with the highest average low temperature is February (1°C).
The coldest month (with the lowest average low temperature) is August (-4.9°C).
Average pressure in October
Grytviken, South Georgia and the South Sandwich Islands
- Average pressure in October: 1000.4mbar
The month with the highest atmospheric pressure is September (1002.1mbar).
The month with the lowest atmospheric pressure is December (992.9mbar).
Average wind speed in October
Grytviken, South Georgia and the South Sandwich Islands
- Average wind speed in October: 25.2km/h
The windiest month (with the highest average wind speed) is September (25.7km/h).
The calmest month (with the lowest average wind speed) is December (23.5km/h).
Average humidity in October
Grytviken, South Georgia and the South Sandwich Islands
- Average humidity in October: 89%
The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are July and August (87%).
Average rainfall in October
Grytviken, South Georgia and the South Sandwich Islands
- Average rainfall in October: 82mm
The wettest month (with the highest rainfall) is April (114mm).
The driest month (with the least rainfall) is October (82mm).
Average rainfall days in October
Grytviken, South Georgia and the South Sandwich Islands
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in October
Grytviken, South Georgia and the South Sandwich Islands
- Average snowfall in October: 278mm
The month with the highest snowfall is August (421mm).
The month with the least snowfall is March (125mm).
Average snowfall days in October
Grytviken, South Georgia and the South Sandwich Islands
- Average snowfall days in October: 16.5 days
The month with the highest number of snowfall days is August (19 days).
The month with the least snowfall days is February (11.7 days).
Average sea temperature in October
Grytviken, South Georgia and the South Sandwich Islands
- Average sea temperature in October: 0°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (3°C).
The coldest months (with the lowest average sea temperature) are August, September and October (0°C).
Average daylight in October /
Average sunshine in October
Grytviken, South Georgia and the South Sandwich Islands
- Average daylight in October: 13h and 5min
The month with the longest days is December (Average daylight: 17h and 6min).
The month with the shortest days is June (Average daylight: 7h and 24min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is October (Average sunshine: 5h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 0min).
Average sunshine days in October
Grytviken, South Georgia and the South Sandwich Islands
- Average sunshine days in October: 3.8 days
The months with the most sunshine days are September and November (4 days).
The month with the least sunshine days is January (1.1 days).
Average UV index in October
Grytviken, South Georgia and the South Sandwich Islands
- Average UV index in October: 1
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).
Average cloud cover in October
Grytviken, South Georgia and the South Sandwich Islands
- Average cloud cover in October: 66
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is October (Cloud cover 66).
Average visibility in October
Grytviken, South Georgia and the South Sandwich Islands
- Average visibility in October: 8km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).
