May weather forecast
Chefornak, AK

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Weather in May

May, the last month of the spring in Chefornak, is a wintry month, with an average temperature fluctuating between 38.1°F (3.4°C) and 33.6°F (0.9°C).

Temperature

May marks a minor ascent in the average high-temperature, adjusting from April's freezing cold 30.4°F (-0.9°C) to an icy 38.1°F (3.4°C). Chefornak's nocturnal readings in May exhibit minimal variation from the daytime temperatures, averaging at 33.6°F (0.9°C).

Humidity

In Chefornak, the average relative humidity in May is 85%.

Rainfall

In Chefornak, in May, during 11.9 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 137.7 rainfall days, and 20.43" (519mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, October through December. In May, it is snowing for 4.4 days. Throughout May, 0.55" (14mm) of snow is accumulated. In Chefornak, during the entire year, snow falls for 87.7 days and aggregates up to 20.12" (511mm) of snow.

Daylight

In May, the average length of the day is 17h and 16min.
On the first day of the month, sunrise is at 6:50 am and sunset at 10:57 pm. On the last day of May, sunrise is at 5:44 am and sunset at 12:05 am AKDT.

Sunshine

With an average of 7.5h of sunshine, May has the most sunshine of the year.

UV index

In May, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 2 transforms into these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in May?

An average high-temperature, in May, in Chefornak, is 38.1°F (3.4°C) and the average low-temperature is 33.6°F (0.9°C).

What is the average humidity in May in Chefornak?

The average relative humidity in May is 85%.

How much does it rain in May?

In Chefornak, in May, during 11.9 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How much does it snow in May?

In Chefornak, Alaska, during May, snow falls for 4.4 days and regularly aggregates up to 0.55" (14mm) of snow.

What is the average length of the day in May?

In Chefornak, the average day length in May is 17h and 16min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:50 am and sunset at 10:57 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 12:05 am AKDT.

What month has the most sunshine?

May has the most sunshine of the year, with an average of 7.5h of sunshine.

How long on average sun shines in May in Chefornak?

The average sunshine duration in May is 7.5h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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 May
Chefornak, AK

Average temperature in May - Chefornak, AK
  • Average high temperature in May: 38.1°F

The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in May: 33.6°F

The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in May
Chefornak, AK

Average pressure in May - Chefornak, AK
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).

Average wind speed in May
Chefornak, AK

Average wind speed in May - Chefornak, AK
  • Average wind speed in May: 12.3mph

The windiest month (with the highest average wind speed) is November (19.3mph).
The calmest month (with the lowest average wind speed) is July (11.7mph).

Average humidity in May
Chefornak, AK

Average humidity in May - Chefornak, AK
  • Average humidity in May: 85%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (79%).

Average rainfall in May
Chefornak, AK

Average rainfall in May - Chefornak, AK
  • Average rainfall in May: 0.94"

The wettest month (with the highest rainfall) is September (2.83").
The driest month (with the least rainfall) is June (0.87").

Average rainfall days in May
Chefornak, AK

Average rainfall days in May - Chefornak, AK
  • Average rainfall days in May: 11.9 days

The month with the highest number of rainy days is September (21.1 days).
The month with the least rainy days is February (4 days).

Average snowfall in May
Chefornak, AK

Average snowfall in May - Chefornak, AK
  • Average snowfall in May: 0.55"

The month with the highest snowfall is December (3.78").
The months with the least snowfall are July, August and September (0").

Average snowfall days in May
Chefornak, AK

Average snowfall days in May - Chefornak, AK
  • Average snowfall days in May: 4.4 days

The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Chefornak, AK

Average daylight in May / Average sunshine in May - Chefornak, AK
  • Average daylight in May: 17h and 2min

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 May: 7h and 3min

The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

Average sunshine days in May
Chefornak, AK

Average sunshine days in May - Chefornak, AK
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is September (4.7 days).

Average UV index in May
Chefornak, AK

Average UV index in May - Chefornak, AK
  • Average UV index in May: 2

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

Average cloud cover in May
Chefornak, AK

Average cloud cover in May - Chefornak, AK
  • Average cloud cover in May: 59

The months with the most cloud cover are September and December (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 59).

Average visibility in May
Chefornak, AK

Average visibility in May - Chefornak, AK
  • Average visibility in May: 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).

Chefornak, Alaska, USA

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