May weather forecast
Sterling, AK

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Weather in May

May, the last month of the spring in Sterling, is a refreshing month, with an average temperature fluctuating between 55.4°F (13°C) and 40.1°F (4.5°C).

Temperature

A rise in the average high-temperature is observed during May, moving from a wintry 42.1°F (5.6°C) in April to a refreshing 55.4°F (13°C). Sterling experiences an average low-temperature of 40.1°F (4.5°C) in month of May.

Humidity

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

Rainfall

May is the month with the least rainfall in Sterling, Alaska. Rain falls for 11.7 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall in Sterling are January through May, September through December. May is the last month it regularly snows in Sterling. During 0.4 snowfall days, in May, Sterling aggregates 0.04" (1mm) of snow. In Sterling, Alaska, during the entire year, snow falls for 65.1 days and aggregates up to 23.27" (591mm) of snow.

Daylight

In May, the average length of the day in Sterling is 17h and 22min.
On the first day of May, sunrise is at 5:54 am and sunset at 10:05 pm. On the last day of the month, sunrise is at 4:46 am and sunset at 11:15 pm AKDT.

Sunshine

In May, the average sunshine is 10.3h.

UV index

In May, the average daily maximum UV index in Sterling, Alaska, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the average May temperature in Sterling?

The high-temperature during May is 55.4°F (13°C) and the low-temperature is 40.1°F (4.5°C).

What is the least humid month in Sterling?

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

What is the average humidity in May in Sterling?

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

What is the driest month in Sterling?

The month with the least rainfall is May, when the rain falls for 11.7 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in May in Sterling?

In May, in Sterling, Alaska, the rain falls for 11.7 days. Throughout May, 0.55" (14mm) of precipitation is accumulated.

What is the last month it snows in Sterling?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Sterling aggregates 0.04" (1mm) of snow.

How many hours of daylight does Sterling have in May?

The average day length in May in Sterling, Alaska, is 17h and 22min.

When is the sunrise / sunset in May in Sterling?

In May, on the first day of the month, sunrise is at 5:54 am and sunset at 10:05 pm. On the last day of the month, in Sterling, Alaska, sunrise is at 4:46 am and sunset at 11:15 pm AKDT.

How long on average sun shines in May in Sterling?

In May, the average sunshine duration in Sterling, Alaska, is 10.3h.

What is the UV index intensity in May in Sterling?

In May, the average daily maximum UV index in Sterling is 3. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Sterling, AK

Average temperature in May - Sterling, AK
  • Average high temperature in May: 55.4°F

The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in May: 40.1°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in May
Sterling, AK

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

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.64"Hg).

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Average wind speed in May
Sterling, AK

Average wind speed in May - Sterling, AK
  • Average wind speed in May: 5.1mph

The windiest months (with the highest average wind speed) are November and December (6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in May
Sterling, AK

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

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (64%).

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Average rainfall in May
Sterling, AK

Average rainfall in May - Sterling, AK
  • Average rainfall in May: 0.55"

The wettest month (with the highest rainfall) is October (1.77").
The driest month (with the least rainfall) is May (0.55").

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Average rainfall days in May
Sterling, AK

Average rainfall days in May - Sterling, AK
  • Average rainfall days in May: 11.7 days

The month with the highest number of rainy days is September (17.3 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in May
Sterling, AK

Average snowfall in May - Sterling, AK
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (5.31").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Sterling, AK

Average snowfall days in May - Sterling, AK
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is December (13.1 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
Sterling, AK

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

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

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Average sunshine days in May
Sterling, AK

Average sunshine days in May - Sterling, AK
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is September (11 days).

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Average UV index in May
Sterling, AK

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

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and November (UV index 1).

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Average cloud cover in May
Sterling, AK

Average cloud cover in May - Sterling, AK
  • Average cloud cover in May: 46

The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 45).

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Average visibility in May
Sterling, AK

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

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and March (4mi).

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Sterling, Alaska, USA

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