April weather forecast
Katalla, AK

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Weather in April

April, the same as March, is another cold spring month in Katalla, Alaska, with temperature in the range of an average low of 32°F (0°C) and an average high of 40.6°F (4.8°C).

Temperature

April introduces a minor temperature shift, with average high-temperatures adjusting from March's wintry 34.2°F (1.2°C) to a still cold 40.6°F (4.8°C). Nights during April maintain a steady temperature, averaging at a still cold 32°F (0°C).

Humidity

In Katalla, the average relative humidity in April is 79%.

Rainfall

In Katalla, during April, the rain falls for 15.4 days and regularly aggregates up to 3.9" (99mm) of precipitation. In Katalla, during the entire year, the rain falls for 191.3 days and collects up to 72.4" (1839mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Katalla. In April, in Katalla, it is snowing for 8.6 days. Throughout April, 6.77" (172mm) of snow is accumulated. Throughout the year, there are 66.1 snowfall days, and 74.57" (1894mm) of snow is accumulated.

Daylight

The average length of the day in April is 14h and 41min.
On the first day of April, sunrise is at 6:59 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 9:36 pm AKDT.

Sunshine

In Katalla, the average sunshine in April is 6.4h.

UV index

In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 2 in April, converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in April?

Katalla in April has an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 32°F (0°C).

What is the average humidity in April?

In April, the average relative humidity in Katalla, Alaska, is 79%.

How many days does it rain in April?

In Katalla, in April, during 15.4 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

How many days does it snow in April?

In Katalla, in April, during 8.6 snowfall days, 6.77" (172mm) of snow is typically accumulated.

What is the average length of the day in April in Katalla?

In April, the average day length is 14h and 41min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:59 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 9:36 pm AKDT.

How long on average sun shines in April?

In Katalla, the average sunshine duration in April is 6.4h.

What is the UV index intensity in April?

In Katalla, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Katalla, AK

Average temperature in April - Katalla, AK
  • Average high temperature in April: 40.6°F

The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in April: 32°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in April
Katalla, AK

Average pressure in April - Katalla, AK
  • Average pressure in April: 29.85"Hg

The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).

Average wind speed in April
Katalla, AK

Average wind speed in April - Katalla, AK
  • Average wind speed in April: 7.5mph

The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).

Average humidity in April
Katalla, AK

Average humidity in April - Katalla, AK
  • Average humidity in April: 79%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).

Average rainfall in April
Katalla, AK

Average rainfall in April - Katalla, AK
  • Average rainfall in April: 3.9"

The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").

Average rainfall days in April
Katalla, AK

Average rainfall days in April - Katalla, AK
  • Average rainfall days in April: 15.4 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).

Average snowfall in April
Katalla, AK

Average snowfall in April - Katalla, AK
  • Average snowfall in April: 6.77"

The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Katalla, AK

Average snowfall days in April - Katalla, AK
  • Average snowfall days in April: 8.6 days

The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Katalla, AK
  • Average daylight in April: 14h and 4min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in April: 6h and 2min

The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).

Average sunshine days in April
Katalla, AK

Average sunshine days in April - Katalla, AK
  • Average sunshine days in April: 9.3 days

The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).

Average UV index in April
Katalla, AK

Average UV index in April - Katalla, 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 November and December (UV index 1).

Average cloud cover in April
Katalla, AK

Average cloud cover in April - Katalla, AK
  • Average cloud cover in April: 58

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).

Average visibility in April
Katalla, AK

Average visibility in April - Katalla, AK
  • Average visibility in April: 6mi

The months with the highest visibility are February, March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, August and December (5mi).

Katalla, Alaska, USA

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