May weather forecast
Circle, AK

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Weather in May

The last month of the spring, May, is a mild month in Circle, Alaska, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 57.2°F (14°C).

Temperature

May signals a significant shift in the average high-temperature, soaring from April's freezing cold 31.3°F (-0.4°C) to a moderate 57.2°F (14°C). The average low-temperature in Circle during May nights is a cold 37.9°F (3.3°C).

Humidity

In Circle, the average relative humidity in May is 62%.

Rainfall

In Circle, in May, it is raining for 8.7 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Circle, Alaska, there are 82.8 rainfall days, and 7.17" (182mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Circle, Alaska, are January through May, September through December. May is the last month it regularly snows. During 3.5 snowfall days, in May, Circle aggregates 0.75" (19mm) of snow. Throughout the year, there are 102.7 snowfall days, and 21.34" (542mm) of snow is accumulated.

Daylight

The average length of the day in May in Circle, Alaska, is 19h and 19min.
On the first day of May, sunrise is at 4:50 am and sunset at 10:16 pm. On the last day of the month, sunrise is at 2:52 am and sunset at 12:15 am AKDT.

Sunshine

The average sunshine in May is 11.5h.

UV index

In Circle, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 4 in May suggests the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What is the average May temperature in Circle?

The average high-temperature and low-temperature in Circle, Alaska, during May are 57.2°F (14°C) and 37.9°F (3.3°C) respectively.

What is the average humidity in May in Circle?

The average relative humidity in May is 62%.

How many days does it rain in May in Circle?

In Circle, Alaska, in May, it is raining for 8.7 days, with typically 0.51" (13mm) of accumulated precipitation.

What is the last month it snows in Circle?

May is the last month it regularly snows in Circle. During 3.5 snowfall days, in May, Circle aggregates 0.75" (19mm) of snow.

How many hours of daylight does Circle have in May?

The average day length in May in Circle is 19h and 19min.

When are sunrise and sunset in May in Circle?

On the first day of May in Circle, sunrise is at 4:50 am and sunset at 10:16 pm. On the last day of the month, sunrise is at 2:52 am and sunset at 12:15 am AKDT.

How many hours of sunshine does Circle have in May?

In Circle, Alaska, the average sunshine duration in May is 11.5h.

What is the UV index reading in May in Circle?

The average daily maximum UV index in May in Circle, Alaska, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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 May
Circle, AK

Average temperature in May - Circle, AK
  • Average high temperature in May: 57.2°F

The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is January (-6°F).

  • Average low temperature in May: 37.9°F

The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (-18.9°F).

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Average pressure in May
Circle, AK

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

The month with the highest atmospheric pressure is February (30.02"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).

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Average wind speed in May
Circle, AK

Average wind speed in May - Circle, AK
  • Average wind speed in May: 4.5mph

The windiest month (with the highest average wind speed) is July (4.9mph).
The calmest months (with the lowest average wind speed) are January and December (2.7mph).

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Average humidity in May
Circle, AK

Average humidity in May - Circle, AK
  • Average humidity in May: 62%

The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (49%).

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Average rainfall in May
Circle, AK

Average rainfall in May - Circle, AK
  • Average rainfall in May: 0.51"

The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is February (0.24").

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Average rainfall days in May
Circle, AK

Average rainfall days in May - Circle, AK
  • Average rainfall days in May: 8.7 days

The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall in May
Circle, AK

Average snowfall in May - Circle, AK
  • Average snowfall in May: 0.75"

The month with the highest snowfall is November (4.02").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Circle, AK

Average snowfall days in May - Circle, AK
  • Average snowfall days in May: 3.5 days

The month with the highest number of snowfall days is March (18.3 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
Circle, AK

Average daylight in May / Average sunshine in May - Circle, AK
  • Average daylight in May: 19h and 2min

The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).

  • Average sunshine in May: 11h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

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Average sunshine days in May
Circle, AK

Average sunshine days in May - Circle, AK
  • Average sunshine days in May: 17.9 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is April (8.5 days).

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Average UV index in May
Circle, AK

Average UV index in May - Circle, AK
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in May
Circle, AK

Average cloud cover in May - Circle, AK
  • Average cloud cover in May: 43

The month with the most cloud cover is April (Cloud cover 72).
The month with the least cloud cover is June (Cloud cover 33).

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Average visibility in May
Circle, AK

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

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April and December (2mi).

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Circle, Alaska, USA

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