May weather forecast
Petersville, AK

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Weather in May

The last month of the spring, May, is a cool month in Petersville, Alaska, with an average temperature ranging between max 54.1°F (12.3°C) and min 39.7°F (4.3°C).

Temperature

May brings with it a considerable temperature increase, with average high-temperatures rising from April's cold 37.2°F (2.9°C) to a fresh 54.1°F (12.3°C). Petersville records an average nighttime low-temperature of 39.7°F (4.3°C) throughout May.

Humidity

May is the least humid month, with an average relative humidity of 64%.

Rainfall

In Petersville, in May, it is raining for 12 days, with typically 0.98" (25mm) of accumulated precipitation. In Petersville, during the entire year, the rain falls for 131.6 days and collects up to 17.36" (441mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Petersville. May is the last month it regularly snows. During 1.4 snowfall days, in May, Petersville aggregates 0.47" (12mm) of snow. In Petersville, during the entire year, snow falls for 60.9 days and aggregates up to 36.89" (937mm) of snow.

Daylight

In Petersville, the average length of the day in May is 17h and 56min.
On the first day of the month, sunrise is at 5:42 am and sunset at 10:17 pm. On the last day of May, sunrise is at 4:23 am and sunset at 11:38 pm AKDT.

Sunshine

The month with the most sunshine in Petersville, Alaska, is May, with an average of 11.6h of sunshine.

UV index

The average daily maximum UV index in May in Petersville is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the usual temperature for Petersville in May?

In May, in Petersville, the average high-temperature is 54.1°F (12.3°C), and the average low-temperature is 39.7°F (4.3°C).

What is the least humid month in Petersville?

With an average relative humidity of 64%, May is the least humid month.

What is the average humidity in May in Petersville?

In May, the average relative humidity in Petersville is 64%.

How much does it rain in Petersville in May?

In Petersville, during May, the rain falls for 12 days and regularly aggregates up to 0.98" (25mm) of precipitation.

What is the last month it snows in Petersville?

May is the last month it regularly snows in Petersville, Alaska. During 1.4 snowfall days, in May, Petersville aggregates 0.47" (12mm) of snow.

How many hours of daylight does Petersville have in May?

The average day length in May in Petersville, Alaska, is 17h and 56min.

When are sunrise and sunset in May in Petersville?

On the first day of May in Petersville, Alaska, sunrise is at 5:42 am and sunset at 10:17 pm. On the last day of the month, sunrise is at 4:23 am and sunset at 11:38 pm AKDT.

What month has the most sunshine in Petersville?

May has the most sunshine of the year, with an average of 11.6h of sunshine.

How many hours of sunshine does Petersville have in May?

In Petersville, Alaska, the average sunshine duration in May is 11.6h.

What is the UV index reading in May in Petersville?

In Petersville, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate 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
Petersville, AK

Average temperature in May - Petersville, AK
  • Average high temperature in May: 54.1°F

The warmest month (with the highest average high temperature) is July (65.5°F).
The month with the lowest average high temperature is January (16.9°F).

  • Average low temperature in May: 39.7°F

The month with the highest average low temperature is July (48.4°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).

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Average pressure in May
Petersville, AK

Average pressure in May - Petersville, AK
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is July (29.94"Hg).
The month with the lowest atmospheric pressure is December (29.72"Hg).

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Average wind speed in May
Petersville, AK

Average wind speed in May - Petersville, AK
  • Average wind speed in May: 4.7mph

The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

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Average humidity in May
Petersville, AK

Average humidity in May - Petersville, AK
  • Average humidity in May: 64%

The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is May (64%).

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Average rainfall in May
Petersville, AK

Average rainfall in May - Petersville, AK
  • Average rainfall in May: 0.98"

The wettest month (with the highest rainfall) is September (2.68").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in May
Petersville, AK

Average rainfall days in May - Petersville, AK
  • Average rainfall days in May: 12 days

The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is December (4.8 days).

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Average snowfall in May
Petersville, AK

Average snowfall in May - Petersville, AK
  • Average snowfall in May: 0.47"

The month with the highest snowfall is November (7.87").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Petersville, AK

Average snowfall days in May - Petersville, AK
  • Average snowfall days in May: 1.4 days

The month with the highest number of snowfall days is December (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Petersville, AK
  • Average daylight in May: 17h and 5min

The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 6min).

  • Average sunshine in May: 11h and 4min

The month with the most sunshine is May (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

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Average sunshine days in May
Petersville, AK

Average sunshine days in May - Petersville, AK
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (8.3 days).

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Average UV index in May
Petersville, AK

Average UV index in May - Petersville, AK
  • Average UV index in May: 3

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

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Average cloud cover in May
Petersville, AK

Average cloud cover in May - Petersville, AK
  • Average cloud cover in May: 39

The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 38).

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Average visibility in May
Petersville, AK

Average visibility in May - Petersville, AK
  • Average visibility in May: 6mi

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

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Petersville, Alaska, USA

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