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

Transitioning from March to April, Sitka observes an average high-temperature of a still icy 42.3°F (5.7°C), differing subtly from the previous month. Sitka, during April nights, observes a steady temperature, averaging at a still icy 35.4°F (1.9°C).

Humidity

In April, the average relative humidity is 86%.

Rainfall

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

Snowfall

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

Daylight

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 April, the average sunshine is 5.4h.

UV index

The average daily maximum UV index in April in Sitka is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 2 transforms into these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold does it get in Sitka in April?

April temperatures vary between a high-temperature of 42.3°F (5.7°C) and a low-temperature of 35.4°F (1.9°C).

What is the average humidity in April in Sitka?

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

How much does it rain in Sitka in April?

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 Sitka in April?

In Sitka, Alaska, 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?

In April, the average day length is 14h and 22min.

What time are sunrise and sunset in April in Sitka?

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 many hours of sunshine does Sitka have in April?

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

What is the UV index intensity in April in Sitka?

The average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a low health threat from 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Sitka, Alaska, USA

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