April weather forecastDeadhorse, AK

April

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

April indicates a noticeable escalation in the average high-temperature, moving up from a polar cold -1.1°F (-18.4°C) in March to an extremely cold 13.5°F (-10.3°C). Throughout the month of April, Deadhorse witnesses an average low-temperature of 0.7°F (-17.4°C).

Humidity

The average relative humidity in April is 92%.

Rainfall

January, April and December are months with the least rain 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: In swimming situations, the extreme cold and danger can lead to fatality. Without the protection of insulated waterproof gear, hypothermia takes effect quickly.

Daylight

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

Sunshine

The average sunshine in April is 6.3h.

UV index

February through April, August through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 1 during April translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during April are 13.5°F (-10.3°C) and 0.7°F (-17.4°C) respectively.

In Deadhorse, the average relative humidity in April is 92%.

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

In Deadhorse, during April, the rain falls for 3.8 days and regularly aggregates up to 0.16" (4mm) of precipitation.

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

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

In Deadhorse, the average seawater temperature in April is 28.4°F (-2°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

In Deadhorse, Alaska, the average day length in April is 16h and 26min.

In April, on the first day of the month, 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.

The average sunshine duration in April is 6.3h.

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

In Deadhorse, the average daily maximum UV index in April is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

-1.1°F

13.5°F

30°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.2mph

10.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

13.9

12.8

9.6

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

19.1

18.7

Average UV index

Average cloud cover

Average visibility

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: 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: 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: 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: 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: 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: 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: 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: 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: 16h and 24min

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 18min

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: 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: 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: 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: 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).