April weather forecastGustavus, AK

April
Weather in April
Coming to April, Gustavus brings a significant change in the weather. The month of April is noteworthy with the absence of snowfall, making it the first snow-free month of the year. The temperature starts escalating, denoting the approach of the warmer season. The cloud cover decreases slightly, allowing more sunlight to seep in. Whilst the rain and wind greet the onset of spring, one can surely spot a rainbow or two in the skies.Temperature
Gustavus's weather in April shows a minor rise in the average high-temperature, moving slightly up from March's cold 32.5°F (0.3°C) to a still wintry 39.4°F (4.1°C). Throughout the nights in April, Gustavus notes an average low of 33.3°F (0.7°C), a small dip from the daytime peak.Humidity
In April, the average relative humidity is 86%.Rainfall
In Gustavus, in April, it is raining for 16.8 days, with typically 2.64" (67mm) of accumulated precipitation. In Gustavus, during the entire year, the rain falls for 182.7 days and collects up to 37.4" (950mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 5.5 snowfall days, in April, Gustavus aggregates 3.62" (92mm) of snow. Throughout the year, there are 60.8 snowfall days, and 53.78" (1366mm) of snow is accumulated.Daylight
In Gustavus, the average length of the day in April is 14h and 29min.On the first day of April, sunrise is at 6:27 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:51 pm AKDT.
Sunshine
In Gustavus, the average sunshine in April is 5.8h.UV index
In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during April translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Gustavus, AK
- Average high temperature in April: 39.4°F
The warmest month (with the highest average high temperature) is July (57.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in April: 33.3°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).
Average pressure in April
Gustavus, AK
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.77"Hg).
Average wind speed in April
Gustavus, AK
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).
Average humidity in April
Gustavus, AK
- Average humidity in April: 86%
The month with the highest relative humidity is August (90%).
The month with the lowest relative humidity is November (84%).
Average rainfall in April
Gustavus, AK
- Average rainfall in April: 2.64"
The wettest months (with the highest rainfall) are October and November (4.21").
The driest month (with the least rainfall) is May (1.61").
Average rainfall days in April
Gustavus, AK
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in April
Gustavus, AK
- Average snowfall in April: 3.62"
The month with the highest snowfall is January (11.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Gustavus, AK
- Average snowfall days in April: 5.5 days
The month with the highest number of snowfall days is March (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Gustavus, AK
- Average daylight in April: 14h and 30min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in April: 5h and 48min
The month with the most sunshine is June (Average sunshine: 7h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).
Average sunshine days in April
Gustavus, AK
- Average sunshine days in April: 9.7 days
The months with the most sunshine days are February and May (12.5 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in April
Gustavus, AK
- Average UV index in April: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in April
Gustavus, AK
- Average cloud cover in April: 63
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 56).
Average visibility in April
Gustavus, AK
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
The months with the lowest visibility are July and August (4mi).





