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
April
Weather in April
Temperature
The average high-temperature for April is a still cold 1.5°C (34.7°F), closely aligning with the temperature of the preceding month. An average low-temperature of -0.6°C (30.9°F), slightly less than the daytime peak, marks the month of April.Humidity
The average relative humidity in April is 89%.Rainfall
April is the month with the most rainfall. Rain falls for 16 days and accumulates 114mm (4.49") of precipitation.Snowfall
January through December are months with snowfall in Grytviken. In Grytviken, in April, during 15.7 snowfall days, 325mm (12.8") of snow is typically accumulated. In Grytviken, during the entire year, snow falls for 193 days and aggregates up to 3130mm (123.23") of snow.Sea temperature
January through April, with an average sea temperature of 3°C (37.4°F), are months with the warmest seawater.Note: In swimming exercises, this state is seen as life-threatening and poses serious dangers. The painful sensation of the cold water induces immediate hyperventilation. A specialized swimsuit is required to limit thermal damage.
Daylight
In Grytviken, the average length of the day in April is 10h and 18min.On the first day of the month, sunrise is at 06:51 and sunset at 18:08. On the last day of April, sunrise is at 07:44 and sunset at 17:01 -02.
Sunshine
In April, the average sunshine is 3.3h.UV index
January through December, with an average maximum UV index of 1, are months with the highest UV index in Grytviken. The months with the lowest UV index in Grytviken are January through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 1 suggests these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in April?
What is the average humidity in April?
What is the rainiest month?
How much does it rain in April?
How much does it snow in April?
What are the months with the warmest sea water?
What is the water temperature in April?
How many hours of daylight does Grytviken have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Grytviken have in April?
When is the highest UV index?
What are the months with the lowest UV index in Grytviken?
What is the UV index intensity in April?
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).
