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 onset of April brings a rise in the average high-temperature, elevating from a subzero cold 29.7°F (-1.3°C) in March to an icy 40.5°F (4.7°C). Nikiski's nocturnal readings in April exhibit minimal variation from the daytime temperatures, averaging at a freezing cold 31.8°F (-0.1°C).Humidity
In Nikiski, the average relative humidity in April is 80%.Rainfall
In April, the rain falls for 12.8 days. Throughout April, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 136.3 rainfall days, and 19.49" (495mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. April is the last month it regularly snows. During 5.7 snowfall days, in April, Nikiski aggregates 1.89" (48mm) of snow. Throughout the year, there are 62.1 snowfall days, and 30.71" (780mm) of snow is accumulated.Daylight
In April, the average length of the day is 14h and 44min.On the first day of April, sunrise is at 7:25 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 10:05 pm AKDT.
Sunshine
In April, the average sunshine is 7.2h.UV index
The average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in April translates into these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April in Nikiski?
How high is the UV index in April?
Average temperature in April
Nikiski, AK
- Average high temperature in April: 40.5°F
The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in April: 31.8°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in April
Nikiski, AK
- Average pressure in April: 29.8"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in April
Nikiski, AK
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in April
Nikiski, AK
- Average humidity in April: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).
Average rainfall in April
Nikiski, AK
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").
Average rainfall days in April
Nikiski, AK
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in April
Nikiski, AK
- Average snowfall in April: 1.89"
The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Nikiski, AK
- Average snowfall days in April: 5.7 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Nikiski, AK
- Average daylight in April: 14h and 4min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in April
Nikiski, AK
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).
Average UV index in April
Nikiski, AK
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Nikiski, AK
- Average cloud cover in April: 52
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility in April
Nikiski, AK
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Nikiski, Alaska, USA
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