April weather forecast
Thorne Bay, AK

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Weather in April

With average temperatures rising between 35.8°F (2.1°C) and 45.7°F (7.6°C), April in Thorne Bay, Alaska brings thawing landscapes and melting snow, as the spring season fully sets in. The change in season also signals a decrease in the city's snowfall, with only 1.1" (28mm) recorded in this month. Significantly, April hosts a proliferation of blossoming flowers and reemerging animals coming out of hibernation. With the flora beginning to bloom brilliantly around this time of year, it's a visual feast for nature lovers.

Temperature

Thorne Bay experiences a recorded average high-temperature of a chilly 45.7°F (7.6°C) in April, closely aligned with March's 40.8°F (4.9°C). In Thorne Bay, in April, the average low-temperature is a cold 35.8°F (2.1°C).

Humidity

The average relative humidity in April is 85%.

Rainfall

In Thorne Bay, during April, the rain falls for 21.1 days and regularly aggregates up to 5.28" (134mm) of precipitation. In Thorne Bay, during the entire year, the rain falls for 231.7 days and collects up to 67.83" (1723mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Thorne Bay. During 2.4 snowfall days, in April, Thorne Bay 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 Thorne Bay, the average length of the day in April is 14h and 14min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:29 pm. On the last day of April, sunrise is at 5:07 am and sunset at 8:27 pm AKDT.

Sunshine

In April, the average sunshine is 4.9h.

UV index

In April, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during April leads to these advisories:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Thorne Bay in April?

In April, the average high-temperature and low-temperature are 45.7°F (7.6°C) and 35.8°F (2.1°C) respectively.

What is the average humidity in April in Thorne Bay?

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

How many days does it rain in April?

In Thorne Bay, in April, it is raining for 21.1 days, with typically 5.28" (134mm) of accumulated precipitation.

What is the last month it snows?

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

What is the average length of the day in April?

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

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:18 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:27 pm AKDT.

How long on average sun shines in April?

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

How high is the UV index in April?

In April, the average daily maximum UV index in Thorne Bay is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Thorne Bay, AK

Average temperature in April - Thorne Bay, 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
Thorne Bay, AK

Average pressure in April - Thorne Bay, 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
Thorne Bay, AK

Average wind speed in April - Thorne Bay, 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
Thorne Bay, AK

Average humidity in April - Thorne Bay, 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
Thorne Bay, AK

Average rainfall in April - Thorne Bay, 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
Thorne Bay, AK

Average rainfall days in April - Thorne Bay, 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
Thorne Bay, AK

Average snowfall in April - Thorne Bay, 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
Thorne Bay, AK

Average snowfall days in April - Thorne Bay, 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
Thorne Bay, AK

Average daylight in April / Average sunshine in April - Thorne Bay, 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 6min).

  • 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
Thorne Bay, AK

Average sunshine days in April - Thorne Bay, 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
Thorne Bay, AK

Average UV index in April - Thorne Bay, 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
Thorne Bay, AK

Average cloud cover in April - Thorne Bay, 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
Thorne Bay, AK

Average visibility in April - Thorne Bay, 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).

Thorne Bay, Alaska, USA

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