May weather forecast and climate
Sterling, AK

Weather in May

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

Temperature

In Sterling, the average high-temperature in May rises, from a wintry 42.1°F (5.6°C) in April, to a moderate 55.4°F (13°C). In Sterling, the average low-temperature is 40.1°F (4.5°C).

Humidity

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

Rainfall

The month with the least rainfall is May when the rain falls for 11.7 days and typically collects 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, Alaska. During 0.4 snowfall days, in May, Sterling aggregates 0.04" (1mm) of snow. In Sterling, during the entire year, snow falls for 65.1 days, and aggregates up to 23.27" (591mm) of snow.

Daylight

The average length of the day is 17.4h.

Sunshine

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

UV index

In May, the average daily maximum UV index in Sterling is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Sterling?

The average high-temperature, in May, in Sterling, is 55.4°F (13°C), while the average low-temperature is 40.1°F (4.5°C).

What is the least humid month in Sterling?

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

What is the average humidity in May in Sterling?

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

How much does it rain in Sterling in May?

In Sterling, in May, it is raining for 11.7 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the driest month in Sterling?

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

What is the last month it snows in Sterling?

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

What is the average length of the day in May in Sterling?

In May, the average length of the day is 17.4h.

How many hours of sunshine does Sterling have in May?

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

What is the UV index intensity in May in Sterling?

The average daily maximum UV index in May in Sterling, Alaska, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

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"

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

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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%

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").
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).
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: 17.4h

The month with the longest days is June (Average daylight: 18.9h).
The month with the shortest days is December (Average daylight: 5.9h).

  • Average sunshine in May: 10.3h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 3.3h).

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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

Months with the highest UV index are June and July (UV index 4).
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

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

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