April weather forecast
Deadhorse, AK

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Weather in April

In April, the weather begins to soften, affirming the arrival of spring. Temperature swings from a minimum of 0.7°F (-17.4°C) to a maximum of 13.5°F (-10.3°C) provide respite from the freezing winter conditions. As the ice thaws, the city witnesses an increase in rainfall, superseding the prevalent snowfall of the prior months. The wind maintains a steady blow, signaling an imminent change in the coming weeks. Extended daylight hours afford more outdoor activities, befit there are still unexpected cold snaps.

Temperature

The start of April signals a clear increase in the average high-temperature, soaring from an arctic cold -1.1°F (-18.4°C) in March to a frigid cold 13.5°F (-10.3°C). An average low-temperature of 0.7°F (-17.4°C) is common during the nights of April.

Humidity

In April, the average relative humidity is 92%.

Rainfall

January, April and December are months with the least rain in Deadhorse when the rain falls for 3.8 days and typically aggregates up to 0.16" (4mm) of rain.

Snowfall

January through June, August through December are months with snowfall. In Deadhorse, in April, during 12.8 snowfall days, 0.83" (21mm) of snow is typically accumulated. Throughout the year, there are 122.8 snowfall days, and 10.24" (260mm) of snow is accumulated.

Ocean temperature

January through May, November and December, with an average ocean temperature of 28.4°F (-2°C), are months with the coldest seawater.
Note: While swimming, this is deemed life-threatening and exceptionally hazardous. The icy water induces intense pain and causes swift hyperventilation. Employing a specialized swimsuit is required to offset thermal harm.

Daylight

The average length of the day in April is 16h and 26min.
On the first day of April in Deadhorse, sunrise is at 6:50 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 4:19 am and sunset at 11:22 pm AKDT.

Sunshine

The average sunshine in April is 6.3h.

UV index

The months with the lowest UV index in Deadhorse, Alaska, are February through April, August through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In April, the maximum UV index of 1 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is April in Deadhorse?

In April, in Deadhorse, the average high-temperature is 13.5°F (-10.3°C), and the average low-temperature is 0.7°F (-17.4°C).

What is the average humidity in April?

The average relative humidity in April is 92%.

What is the driest month?

The months with the least rainfall are January, April and December Rain falls for 3.8 days and accumulates 0.16" (4mm) of rain.

How many days does it rain in April?

In Deadhorse, in April, it is raining for 3.8 days, with typically 0.16" (4mm) of accumulated precipitation.

How many days does it snow in April in Deadhorse?

In April, it is snowing for 12.8 days. Throughout April, 0.83" (21mm) of snow is accumulated.

When is the ocean coldest?

January through May, November and December, with an average ocean temperature of 28.4°F (-2°C), are months with the coldest seawater.

How cold is the water in April?

In April, the average ocean temperature is 28.4°F (-2°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Deadhorse have in April?

The average day length in April is 16h and 26min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:50 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 4:19 am and sunset at 11:22 pm AKDT.

How long on average sun shines in April?

In April, the average sunshine duration is 6.3h.

When is the lowest UV index?

February through April, August through December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in April?

In April, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Deadhorse, AK

Average temperature in April - Deadhorse, AK
  • Average high temperature in April: 13.5°F

The warmest month (with the highest average high temperature) is July (51.4°F).
The month with the lowest average high temperature is January (-7.1°F).

  • Average low temperature in April: 0.7°F

The month with the highest average low temperature is July (40.6°F).
The coldest month (with the lowest average low temperature) is January (-16.6°F).

Average pressure in April
Deadhorse, AK

Average pressure in April - Deadhorse, AK
  • Average pressure in April: 30.05"Hg

The month with the highest atmospheric pressure is March (30.07"Hg).
The month with the lowest atmospheric pressure is September (29.84"Hg).

Average wind speed in April
Deadhorse, AK

Average wind speed in April - Deadhorse, AK
  • Average wind speed in April: 10.7mph

The windiest month (with the highest average wind speed) is October (11.9mph).
The calmest month (with the lowest average wind speed) is May (9.8mph).

Average humidity in April
Deadhorse, AK

Average humidity in April - Deadhorse, AK
  • Average humidity in April: 92%

The months with the highest relative humidity are January, February, March and December (93%).
The month with the lowest relative humidity is July (76%).

Average rainfall in April
Deadhorse, AK

Average rainfall in April - Deadhorse, AK
  • Average rainfall in April: 0.16"

The wettest month (with the highest rainfall) is August (0.83").
The driest months (with the least rainfall) are January, April and December (0.16").

Average rainfall days in April
Deadhorse, AK

Average rainfall days in April - Deadhorse, AK
  • Average rainfall days in April: 3.8 days

The month with the highest number of rainy days is August (11.8 days).
The month with the least rainy days is February (0.7 days).

Average snowfall in April
Deadhorse, AK

Average snowfall in April - Deadhorse, AK
  • Average snowfall in April: 0.83"

The month with the highest snowfall is November (1.81").
The month with the least snowfall is July (0").

Average snowfall days in April
Deadhorse, AK

Average snowfall days in April - Deadhorse, AK
  • Average snowfall days in April: 12.8 days

The month with the highest number of snowfall days is November (17.5 days).
The month with the least snowfall days is July (0.2 days).

Average sea temperature in April
Deadhorse, AK

Average sea temperature in April - Deadhorse, AK
  • Average sea temperature in April: 28°F

The best months for swimming (with the highest average sea temperature) are August and September (36°F).
The coldest months (with the lowest average sea temperature) are January, February, March, April, May, November and December (28°F).

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

Average daylight in April / Average sunshine in April - Deadhorse, AK
  • Average daylight in April: 16h and 2min

The month with the longest days is August (Average daylight: 18h and 12min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in April: 6h and 2min

The month with the most sunshine is August (Average sunshine: 6h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).

Average sunshine days in April
Deadhorse, AK

Average sunshine days in April - Deadhorse, AK
  • Average sunshine days in April: 19.1 days

The month with the most sunshine days is June (21 days).
The month with the least sunshine days is September (14 days).

Average UV index in April
Deadhorse, AK

Average UV index in April - Deadhorse, AK
  • Average UV index in April: 1

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are February, March, April, August, September, October, November and December (UV index 1).

Average cloud cover in April
Deadhorse, AK

Average cloud cover in April - Deadhorse, AK
  • Average cloud cover in April: 67

The months with the most cloud cover are November and December (Cloud cover 76).
The month with the least cloud cover is June (Cloud cover 45).

Average visibility in April
Deadhorse, AK

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

The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, March and December (4mi).

Deadhorse, Alaska, USA

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