January weather forecast and climate
Katalla, AK

Weather in January

January, the same as December, in Katalla, Alaska, is a freezing cold winter month, with average temperature varying between 30.2°F (-1°C) and 24.8°F (-4°C).

Temperature

With an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 24.8°F (-4°C), January is the coldest month.

Humidity

In January, the average relative humidity in Katalla is 80%.

Rainfall

In Katalla, during 13.6 rainfall days, 6.69" (170mm) of precipitation is typically accumulated. In Katalla, during the entire year, the rain falls for 191.3 days and collects up to 72.4" (1839mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Katalla, snow falls for 10.3 days, with typically accumulated 12.64" (321mm) of snow. 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 Katalla is 6.9h.

Sunshine

In Katalla, the average sunshine is 2.5h.

UV index

In Katalla, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Katalla?

With an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 24.8°F (-4°C), January is the coldest month in Katalla, Alaska.

What is the temperature in January in Katalla?

In Katalla, in January, the average high-temperature is 30.2°F (-1°C), and the average low-temperature is 24.8°F (-4°C).

What is the average humidity in January in Katalla?

In January, the average relative humidity in Katalla is 80%.

How much does it rain in Katalla in January?

In January, the rain falls for 13.6 days. Throughout January, 6.69" (170mm) of precipitation is accumulated.

How many days does it snow in January in Katalla?

In Katalla, Alaska, during January, snow falls for 10.3 days and regularly aggregates up to 12.64" (321mm) of snow.

How many hours of daylight does Katalla have in January?

In Katalla, the average length of the day in January is 6.9h.

How long on average sun shines in January in Katalla?

The average sunshine in January in Katalla, Alaska, is 2.5h.

How high is the UV index in January in Katalla?

In Katalla, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in January
Katalla, AK

Average temperature in January - Katalla, AK
  • Average high temperature in January: 30.2°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 January: 24.8°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).

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Average pressure in January
Katalla, AK

Average pressure in January - Katalla, AK
  • Average pressure in January: 29.7"

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

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Average wind speed in January
Katalla, AK

Average wind speed in January - Katalla, AK
  • Average wind speed in January: 12.1mph

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).

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Average humidity in January
Katalla, AK

Average humidity in January - Katalla, AK
  • Average humidity in January: 80%

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

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Average rainfall in January
Katalla, AK

Average rainfall in January - Katalla, AK
  • Average rainfall in January: 6.69"

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

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Average rainfall days in January
Katalla, AK

Average rainfall days in January - Katalla, AK
  • Average rainfall days in January: 13.6 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).

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Average snowfall in January
Katalla, AK

Average snowfall in January - Katalla, AK
  • Average snowfall in January: 12.64"

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

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Average snowfall days in January
Katalla, AK

Average snowfall days in January - Katalla, AK
  • Average snowfall days in January: 10.3 days

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

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

Average daylight in January / Average sunshine in January - Katalla, AK
  • Average daylight in January: 6.9h

The month with the longest days is June (Average daylight: 18.8h).
The month with the shortest days is December (Average daylight: 6h).

  • Average sunshine in January: 2.5h

Months with the most sunshine are May, June and July (Average sunshine: 7.6h).
The month with the least sunshine is December (Average sunshine: 2.1h).

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Average sunshine days in January
Katalla, AK

Average sunshine days in January - Katalla, AK
  • Average sunshine days in January: 10.3 days

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

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Average UV index in January
Katalla, AK

Average UV index in January - Katalla, AK
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 4).
Months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in January
Katalla, AK

Average cloud cover in January - Katalla, AK
  • Average cloud cover in January: 63

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

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Average visibility in January
Katalla, AK

Average visibility in January - Katalla, AK
  • Average visibility in January: 5mi

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

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