April weather forecast
Klawock, AK

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Weather in April

The full spring transitions in April and Klawock contends with temperatures from 35.8°F (2.1°C) to 45.7°F (7.6°C). Albeit a reduction in snowfall, the city still contends with high precipitation. Nevertheless, these rain showers lay the groundwork for the flourishing of flora around the city. Longer daylight hours and an increase in UV index commence the bloom of spring colors. April, despite its weather challenges, signals a time of renewal, right before the summer begins in earnest, with more sunshine gracing the city.

Temperature

The high-temperature average in April for Klawock is a chilly 45.7°F (7.6°C), staying closely aligned with March's conditions. During the nights in April, the temperature averages to a cold 35.8°F (2.1°C).

Humidity

In April, the average relative humidity is 85%.

Rainfall

In Klawock, in April, it is raining for 21.1 days, with typically 5.28" (134mm) of accumulated precipitation. Throughout the year, there are 231.7 rainfall days, and 67.83" (1723mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 2.4 snowfall days, in April, Klawock aggregates 1.1" (28mm) of snow. Throughout the year, there are 37.2 snowfall days, and 34.61" (879mm) of snow is accumulated.

Daylight

In Klawock, the average length of the day in April is 14h and 14min.
On the first day of April, sunrise is at 6:20 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:29 pm AKDT.

Sunshine

In April, the average sunshine is 4.9h.

UV index

In Klawock, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during April translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The high-temperature during April is 45.7°F (7.6°C) and the low-temperature is 35.8°F (2.1°C).

What is the average humidity in April?

In Klawock, the average relative humidity in April is 85%.

How many days does it rain in April?

In Klawock, in April, during 21.1 rainfall days, 5.28" (134mm) of precipitation is typically accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 2.4 snowfall days, in April, Klawock aggregates 1.1" (28mm) of snow.

How many hours of daylight does Klawock have in April?

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

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:20 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:29 pm AKDT.

How long on average sun shines in April?

In Klawock, the average sunshine duration in April is 4.9h.

What is the UV index intensity in April?

In Klawock, Alaska, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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
Klawock, AK

Average temperature in April - Klawock, AK
  • Average high temperature in April: 45.7°F

The warmest months (with the highest average high temperature) are July and August (60.4°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in April: 35.8°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is February (30.2°F).

Average pressure in April
Klawock, AK

Average pressure in April - Klawock, AK
  • Average pressure in April: 29.92"Hg

The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.77"Hg).

Average wind speed in April
Klawock, AK

Average wind speed in April - Klawock, AK
  • Average wind speed in April: 6.7mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in April
Klawock, AK

Average humidity in April - Klawock, AK
  • Average humidity in April: 85%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are March and May (84%).

Average rainfall in April
Klawock, AK

Average rainfall in April - Klawock, AK
  • Average rainfall in April: 5.28"

The wettest month (with the highest rainfall) is November (8.03").
The driest month (with the least rainfall) is May (2.83").

Average rainfall days in April
Klawock, AK

Average rainfall days in April - Klawock, AK
  • Average rainfall days in April: 21.1 days

The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is February (14.8 days).

Average snowfall in April
Klawock, AK

Average snowfall in April - Klawock, AK
  • Average snowfall in April: 1.1"

The month with the highest snowfall is March (10.35").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Klawock, AK

Average snowfall days in April - Klawock, AK
  • Average snowfall days in April: 2.4 days

The month with the highest number of snowfall days is March (10.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Klawock, AK
  • Average daylight in April: 14h and 1min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).

  • Average sunshine in April: 4h and 5min

The months with the most sunshine are May and September (Average sunshine: 5h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in April
Klawock, AK

Average sunshine days in April - Klawock, AK
  • Average sunshine days in April: 7.5 days

The month with the most sunshine days is July (11.1 days).
The month with the least sunshine days is November (5.3 days).

Average UV index in April
Klawock, AK

Average UV index in April - Klawock, AK
  • Average UV index in April: 2

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in April
Klawock, AK

Average cloud cover in April - Klawock, AK
  • Average cloud cover in April: 69

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is September (Cloud cover 62).

Average visibility in April
Klawock, AK

Average visibility in April - Klawock, AK
  • Average visibility in April: 5mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
The months with the lowest visibility are July and August (4mi).

Klawock, Alaska, USA

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