Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's onset in Grytviken brings an average high-temperature of a still cold 1.5°C (34.7°F), showing a minute difference from March's 3°C (37.4°F). Throughout April, Grytviken's nights experience a slight temperature dip to a freezing cold -0.6°C (30.9°F).Humidity
In Grytviken, the average relative humidity in April is 89%.Rainfall
April is the month with the most rainfall in Grytviken, South Georgia and the South Sandwich Islands. Rain falls for 16 days and accumulates 114mm (4.49") of precipitation.Snowfall
January through December are months with snowfall in Grytviken. In Grytviken, South Georgia and the South Sandwich Islands, in April, during 15.7 snowfall days, 325mm (12.8") of snow is typically accumulated. Throughout the year, there are 193 snowfall days, and 3130mm (123.23") of snow is accumulated.Sea temperature
January through April, with an average sea temperature of 3°C (37.4°F), are months with the warmest seawater in Grytviken.Note: In the realm of swimming, this is life-threatening and fraught with danger. The cold water triggers intense discomfort and leads to swift hyperventilation. Donning a specialized swimsuit is essential to curb thermal harm.
Daylight
In April, the average length of the day in Grytviken, South Georgia and the South Sandwich Islands, is 10h and 18min.On the first day of April in Grytviken, South Georgia and the South Sandwich Islands, sunrise is at 06:51 and sunset at 18:08. On the last day of the month, sunrise is at 07:44 and sunset at 17:01 -02.
Sunshine
In April, the average sunshine is 3.3h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 1. January through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In April, the average maximum UV index of 1 translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Grytviken in April?
What is the average humidity in April in Grytviken?
What is the rainiest month in Grytviken?
How much does it rain in Grytviken in April?
How much does it snow in Grytviken in April?
When is the sea warmest in Grytviken?
What is the water temperature in April in Grytviken?
How many hours of daylight does Grytviken have in April?
What time are sunrise and sunset in April in Grytviken?
How long on average sun shines in April in Grytviken?
What are the months with the highest UV index in Grytviken?
When is the lowest UV index in Grytviken?
How high is the UV index in April in Grytviken?
Average temperature in April
Grytviken, South Georgia and the South Sandwich Islands
- Average high temperature in April: 1.5°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 April: -0.6°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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average pressure in April: 997.8mbar
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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average wind speed in April: 25.4km/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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average humidity in April: 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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average rainfall in April: 114mm
The wettest month (with the highest rainfall) is April (114mm).
The driest month (with the least rainfall) is October (82mm).
Average rainfall days in April
Grytviken, South Georgia and the South Sandwich Islands
- Average rainfall days in April: 16 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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average snowfall in April: 325mm
The month with the highest snowfall is August (421mm).
The month with the least snowfall is March (125mm).
Average snowfall days in April
Grytviken, South Georgia and the South Sandwich Islands
- Average snowfall days in April: 15.7 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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average sea temperature in April: 3°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 April /
Average sunshine in April
Grytviken, South Georgia and the South Sandwich Islands
- Average daylight in April: 10h and 2min
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 April: 3h and 2min
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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average sunshine days in April: 2.8 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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average UV index in April: 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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average cloud cover in April: 71
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 April
Grytviken, South Georgia and the South Sandwich Islands
- Average visibility in April: 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).
Grytviken, South Georgia and the South Sandwich Islands
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