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 transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a freezing cold 27.9°F (-2.3°C) to an icy 35.2°F (1.8°C). Port Chilkoot's nighttime temperature in April drops to an average of 23.2°F (-4.9°C).Humidity
In April, the average relative humidity is 88%.Rainfall
In Port Chilkoot, in April, during 18.2 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Port Chilkoot, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Port Chilkoot, in April, snow falls for 8 days, with typically accumulated 6.46" (164mm) of snow. In Port Chilkoot, during the entire year, snow falls for 83.4 days and aggregates up to 86.57" (2199mm) of snow.Daylight
The average length of the day in April in Port Chilkoot is 14h and 34min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:45 pm. On the last day of April, sunrise is at 5:03 am and sunset at 8:54 pm AKDT.
Sunshine
The average sunshine in April is 7h.UV index
The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In April, the maximum UV index of 2 transforms into these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Boost your sun resistance with garments that are densely woven yet spacious. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April in Port Chilkoot?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Port Chilkoot have in April?
How high is the UV index in April?
Average temperature in April
Port Chilkoot, AK
- Average high temperature in April: 35.2°F
The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in April: 23.2°F
The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).
Average pressure in April
Port Chilkoot, AK
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).
Average wind speed in April
Port Chilkoot, AK
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).
Average humidity in April
Port Chilkoot, AK
- Average humidity in April: 88%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).
Average rainfall in April
Port Chilkoot, AK
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in April
Port Chilkoot, AK
- Average rainfall days in April: 18.2 days
The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in April
Port Chilkoot, AK
- Average snowfall in April: 6.46"
The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Port Chilkoot, AK
- Average snowfall days in April: 8 days
The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Port Chilkoot, AK
- Average daylight in April: 14h and 4min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in April
Port Chilkoot, AK
- Average sunshine days in April: 6.7 days
The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in April
Port Chilkoot, 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 February, November and December (UV index 1).
Average cloud cover in April
Port Chilkoot, AK
- Average cloud cover in April: 56
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in April
Port Chilkoot, AK
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Port Chilkoot, Alaska, USA
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