October weather forecast
McCarthy, AK

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Weather in October

October, like September, is a freezing cold autumn month in McCarthy, Alaska, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 31.5°F (-0.3°C).

Temperature

McCarthy's weather in October involves a decrease in the average high-temperature, moving down from September's frosty 44.6°F (7°C) to a freezing cold 31.5°F (-0.3°C). In McCarthy, the average temperature during the nights of October drops to a still subzero cold 21.7°F (-5.7°C).

Humidity

The average relative humidity in October is 74%.

Rainfall

In McCarthy, Alaska, in October, during 14.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In McCarthy, during the entire year, the rain falls for 151.8 days and collects up to 14.88" (378mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In McCarthy, during October, snow falls for 7.8 days and regularly aggregates up to 3.03" (77mm) of snow. In McCarthy, during the entire year, snow falls for 95.3 days and aggregates up to 44.02" (1118mm) of snow.

Daylight

In McCarthy, the average length of the day in October is 9h and 58min.
On the first day of the month, sunrise is at 7:40 am and sunset at 7:01 pm. On the last day of October, sunrise is at 9:00 am and sunset at 5:30 pm AKDT.

Sunshine

In McCarthy, Alaska, the average sunshine in October is 6.2h.

UV index

In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, a daily maximum UV index of 2 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

How cold is October?

The high-temperature, in October, in McCarthy, is 31.5°F (-0.3°C), while the low-temperature averages to 21.7°F (-5.7°C).

What is the average humidity in October?

In October, the average relative humidity is 74%.

How much does it rain in October?

In McCarthy, in October, during 14.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

How many days does it snow in October?

In McCarthy, in October, during 7.8 snowfall days, 3.03" (77mm) of snow is typically accumulated.

How many hours of daylight does McCarthy have in October?

The average day length in October is 9h and 58min.

What time are sunrise and sunset in October in McCarthy?

In October, on the first day of the month, sunrise is at 7:40 am and sunset at 7:01 pm. On the last day of the month, in McCarthy, sunrise is at 9:00 am and sunset at 5:30 pm AKDT.

How many hours of sunshine does McCarthy have in October?

In October, the average sunshine duration in McCarthy is 6.2h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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 October
McCarthy, AK

Average temperature in October - McCarthy, AK
  • Average high temperature in October: 31.5°F

The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is January (13.5°F).

  • Average low temperature in October: 21.7°F

The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is February (1°F).

Average pressure in October
McCarthy, AK

Average pressure in October - McCarthy, AK
  • Average pressure in October: 29.78"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is November (29.76"Hg).

Average wind speed in October
McCarthy, AK

Average wind speed in October - McCarthy, AK
  • Average wind speed in October: 4.2mph

The windiest months (with the highest average wind speed) are January and November (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in October
McCarthy, AK

Average humidity in October - McCarthy, AK
  • Average humidity in October: 74%

The months with the highest relative humidity are January, March, April and December (82%).
The month with the lowest relative humidity is June (66%).

Average rainfall in October
McCarthy, AK

Average rainfall in October - McCarthy, AK
  • Average rainfall in October: 1.46"

The wettest month (with the highest rainfall) is September (1.69").
The driest month (with the least rainfall) is April (0.71").

Average rainfall days in October
McCarthy, AK

Average rainfall days in October - McCarthy, AK
  • Average rainfall days in October: 14.3 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in October
McCarthy, AK

Average snowfall in October - McCarthy, AK
  • Average snowfall in October: 3.03"

The month with the highest snowfall is December (9.37").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
McCarthy, AK

Average snowfall days in October - McCarthy, AK
  • Average snowfall days in October: 7.8 days

The month with the highest number of snowfall days is December (17.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in October /
Average sunshine in October
McCarthy, AK

Average daylight in October / Average sunshine in October - McCarthy, AK
  • Average daylight in October: 10h and 0min

The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is June (Average sunshine: 14h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

Average sunshine days in October
McCarthy, AK

Average sunshine days in October - McCarthy, AK
  • Average sunshine days in October: 12.6 days

The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is August (9.7 days).

Average UV index in October
McCarthy, AK

Average UV index in October - McCarthy, AK
  • Average UV index in October: 2

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in October
McCarthy, AK

Average cloud cover in October - McCarthy, AK
  • Average cloud cover in October: 36

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are March, May and June (Cloud cover 35).

Average visibility in October
McCarthy, AK

Average visibility in October - McCarthy, AK
  • Average visibility in October: 6mi

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

McCarthy, Alaska, USA

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