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 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
The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a subzero cold 30.4°F (-0.9°C) in March to a cold 37.8°F (3.2°C). April in Port Heiden witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 30.9°F (-0.6°C).Humidity
In Port Heiden, the average relative humidity in April is 82%.Rainfall
In Port Heiden, in April, during 11.1 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Port Heiden, there are 160.7 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Port Heiden, in April, snow falls for 9.2 days, with typically accumulated 2.28" (58mm) of snow. Throughout the year, in Port Heiden, there are 83.4 snowfall days, and 23.94" (608mm) of snow is accumulated.Daylight
In April, the average length of the day is 14h and 21min.On the first day of the month, sunrise is at 8:00 am and sunset at 9:15 pm. On the last day of April, sunrise is at 6:46 am and sunset at 10:17 pm AKDT.
Sunshine
In April, the average sunshine in Port Heiden, Alaska, is 5.4h.UV index
The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In April, an average UV index of 2 transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold does it get in Port Heiden in April?
What is the average humidity in April in Port Heiden?
How much does it rain in Port Heiden in April?
How many days does it snow in April in Port Heiden?
What is the average length of the day in April in Port Heiden?
When are sunrise and sunset in April in Port Heiden?
How long on average sun shines in April in Port Heiden?
How high is the UV index in April in Port Heiden?
Average temperature in April
Port Heiden, AK
- Average high temperature in April: 37.8°F
The warmest month (with the highest average high temperature) is August (56.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in April: 30.9°F
The month with the highest average low temperature is August (49.1°F).
The coldest months (with the lowest average low temperature) are January and March (23.4°F).
Average pressure in April
Port Heiden, AK
- Average pressure in April: 29.74"Hg
The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.54"Hg).
Average wind speed in April
Port Heiden, AK
- Average wind speed in April: 11.6mph
The windiest month (with the highest average wind speed) is December (14.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in April
Port Heiden, AK
- Average humidity in April: 82%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in April
Port Heiden, AK
- Average rainfall in April: 0.94"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is June (0.83").
Average rainfall days in April
Port Heiden, AK
- Average rainfall days in April: 11.1 days
The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is March (7.6 days).
Average snowfall in April
Port Heiden, AK
- Average snowfall in April: 2.28"
The month with the highest snowfall is December (5.71").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Port Heiden, AK
- Average snowfall days in April: 9.2 days
The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Port Heiden, AK
- Average daylight in April: 14h and 2min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in April: 5h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in April
Port Heiden, AK
- Average sunshine days in April: 9 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is November (6 days).
Average UV index in April
Port Heiden, AK
- Average UV index in April: 2
The months with the highest UV index are May, June, July, August and September (UV index 3).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in April
Port Heiden, AK
- Average cloud cover in April: 63
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 59).
Average visibility in April
Port Heiden, AK
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Port Heiden, Alaska, USA
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