April weather forecast
Sitka, AK

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The glacial carved Three Sisters Mountains in Sitka, Alaska
The glacial carved Three Sisters Mountains in Sitka, Alaska

Weather in April

By April, the weather in Sitka notably shifts towards milder conditions. A significant decrease in snowfall taking as low as 3.23" (82mm) and happening on about 3.8 days emphasizes the arrival of spring. With this, rainfall begins to store its regular quota furthering the spring's aspiration. Daylight and sunshine hours continue to reach higher figures, implying longer and warmer days. April, hence, is a clear farewell to snow and a warm reception to the spring rains.

Temperature

The arrival of April sees an average high-temperature of a still cold 42.3°F (5.7°C), hardly diverging from March's 37°F (2.8°C). Sitka, during April nights, records a temperature marginally cooler than the daytime average, at a still cold 35.4°F (1.9°C).

Humidity

In Sitka, the average relative humidity in April is 86%.

Rainfall

In April, the rain falls for 22.3 days. Throughout April, 6.26" (159mm) of precipitation is accumulated. In Sitka, during the entire year, the rain falls for 243.6 days and collects up to 82.76" (2102mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Sitka, in April, snow falls for 3.8 days, with typically accumulated 3.23" (82mm) of snow. Throughout the year, there are 52.4 snowfall days, and 63.58" (1615mm) of snow is accumulated.

Daylight

In Sitka, the average length of the day in April is 14h and 22min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:42 pm. On the last day of April, sunrise is at 5:12 am and sunset at 8:44 pm AKDT.

Sunshine

In Sitka, the average sunshine in April is 5.4h.

UV index

In Sitka, 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 unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in April transforms into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during April?

The high-temperature, in April, in Sitka, records 42.3°F (5.7°C), while the low-temperature is 35.4°F (1.9°C).

What is the average humidity in April?

In Sitka, Alaska, the average relative humidity in April is 86%.

How many days does it rain in April in Sitka?

In April, in Sitka, the rain falls for 22.3 days. Throughout April, 6.26" (159mm) of precipitation is accumulated.

How much does it snow in April?

In Sitka, during April, snow falls for 3.8 days and regularly aggregates up to 3.23" (82mm) of snow.

How many hours of daylight does Sitka have in April?

The average day length in April is 14h and 22min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:27 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:44 pm AKDT.

How long on average sun shines in April in Sitka?

The average sunshine duration in April is 5.4h.

What is the UV index reading in April?

The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Sitka, AK

Average temperature in April - Sitka, AK
  • Average high temperature in April: 42.3°F

The warmest month (with the highest average high temperature) is August (57.9°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in April: 35.4°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is February (29.7°F).

Average pressure in April
Sitka, AK

Average pressure in April - Sitka, AK
  • Average pressure in April: 29.89"Hg

The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.72"Hg).

Average wind speed in April
Sitka, AK

Average wind speed in April - Sitka, AK
  • Average wind speed in April: 7mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in April
Sitka, AK

Average humidity in April - Sitka, AK
  • Average humidity in April: 86%

The month with the highest relative humidity is August (89%).
The months with the lowest relative humidity are February and March (83%).

Average rainfall in April
Sitka, AK

Average rainfall in April - Sitka, AK
  • Average rainfall in April: 6.26"

The wettest month (with the highest rainfall) is November (10.16").
The driest month (with the least rainfall) is May (3.82").

Average rainfall days in April
Sitka, AK

Average rainfall days in April - Sitka, AK
  • Average rainfall days in April: 22.3 days

The month with the highest number of rainy days is October (23.5 days).
The month with the least rainy days is February (14.6 days).

Average snowfall in April
Sitka, AK

Average snowfall in April - Sitka, AK
  • Average snowfall in April: 3.23"

The month with the highest snowfall is March (17.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Sitka, AK

Average snowfall days in April - Sitka, AK
  • Average snowfall days in April: 3.8 days

The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Sitka, AK

Average daylight in April / Average sunshine in April - Sitka, 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 48min).

  • Average sunshine in April: 5h and 2min

The month with the most sunshine is May (Average sunshine: 6h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in April
Sitka, AK

Average sunshine days in April - Sitka, AK
  • Average sunshine days in April: 5.7 days

The month with the most sunshine days is May (8.8 days).
The month with the least sunshine days is June (4.8 days).

Average UV index in April
Sitka, AK

Average UV index in April - Sitka, 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 January, November and December (UV index 1).

Average cloud cover in April
Sitka, AK

Average cloud cover in April - Sitka, AK
  • Average cloud cover in April: 66

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are February, May and September (Cloud cover 60).

Average visibility in April
Sitka, AK

Average visibility in April - Sitka, AK
  • Average visibility in April: 6mi

The months with the highest visibility are February, March, April, May, September, October, November and December (6mi).
The months with the lowest visibility are January, June, July and August (5mi).

Sitka, Alaska, USA

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