May weather forecast
Douglas, AK

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Weather in May

The last month of the spring, May, is a frosty month in Douglas, Alaska, with an average temperature fluctuating between 47.5°F (8.6°C) and 35.2°F (1.8°C).

Temperature

May's arrival brings a change in high-temperatures, moving from a cold 37°F (2.8°C) in April to a frosty 47.5°F (8.6°C). Throughout the nights in May, an average low-temperature of 35.2°F (1.8°C) is noted.

Humidity

The least humid month in Douglas is May, with an average relative humidity of 86%.

Rainfall

The month with the least rainfall in Douglas is May, when the rain falls for 18.5 days and typically collects 4.13" (105mm) of precipitation.

Snowfall

Months with snowfall in Douglas are January through May, October through December. May is the last month it regularly snows. During 3.2 snowfall days, in May, Douglas aggregates 3.31" (84mm) of snow. Throughout the year, there are 126.6 snowfall days, and 290.12" (7369mm) of snow is accumulated.

Daylight

The average length of the day in May in Douglas is 16h and 49min.
On the first day of May in Douglas, sunrise is at 5:01 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 4:02 am and sunset at 9:48 pm AKDT.

Sunshine

In Douglas, the average sunshine in May is 6.2h.

UV index

May and July, with an average maximum UV index of 3, are months with the highest UV index in Douglas. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during May translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Douglas in May?

In Douglas, 47.5°F (8.6°C) is the average high-temperature and 35.2°F (1.8°C) is the average low-temperature during May.

What is the least humid month in Douglas?

The least humid month in Douglas is May, with an average relative humidity of 86%.

What is the average humidity in May in Douglas?

The average relative humidity in May in Douglas is 86%.

What is the driest month in Douglas?

The month with the least rainfall in Douglas, Alaska, is May, when the rain falls for 18.5 days and typically collects 4.13" (105mm) of precipitation.

How many days does it rain in May in Douglas?

In Douglas, Alaska, during May, the rain falls for 18.5 days and regularly aggregates up to 4.13" (105mm) of precipitation.

What is the last month it snows in Douglas?

May is the last month it regularly snows. During 3.2 snowfall days, in May, Douglas aggregates 3.31" (84mm) of snow.

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

In Douglas, Alaska, the average day length in May is 16h and 49min.

What time are sunrise and sunset in May in Douglas?

On the first day of May in Douglas, sunrise is at 5:01 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 4:02 am and sunset at 9:48 pm AKDT.

How long on average sun shines in May in Douglas?

In May, the average sunshine duration in Douglas is 6.2h.

What are the months with the highest UV index in Douglas?

The months with the highest UV index in Douglas, Alaska, are May and July, with an average maximum UV index of 3.

How high is the UV index in May in Douglas?

In May, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Douglas, AK

Average temperature in May - Douglas, AK
  • Average high temperature in May: 47.5°F

The warmest month (with the highest average high temperature) is July (55.8°F).
The months with the lowest average high temperature are January and December (25.7°F).

  • Average low temperature in May: 35.2°F

The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

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Average pressure in May
Douglas, AK

Average pressure in May - Douglas, AK
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

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Average wind speed in May
Douglas, AK

Average wind speed in May - Douglas, AK
  • Average wind speed in May: 4.1mph

The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).

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Average humidity in May
Douglas, AK

Average humidity in May - Douglas, AK
  • Average humidity in May: 86%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (86%).

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Average rainfall in May
Douglas, AK

Average rainfall in May - Douglas, AK
  • Average rainfall in May: 4.13"

The wettest month (with the highest rainfall) is October (9.88").
The driest month (with the least rainfall) is May (4.13").

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Average rainfall days in May
Douglas, AK

Average rainfall days in May - Douglas, AK
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is September (21.9 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in May
Douglas, AK

Average snowfall in May - Douglas, AK
  • Average snowfall in May: 3.31"

The month with the highest snowfall is December (62.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Douglas, AK

Average snowfall days in May - Douglas, AK
  • Average snowfall days in May: 3.2 days

The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Douglas, AK
  • Average daylight in May: 16h and 5min

The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in May: 6h and 1min

The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).

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Average sunshine days in May
Douglas, AK

Average sunshine days in May - Douglas, AK
  • Average sunshine days in May: 10 days

The month with the most sunshine days is May (10 days).
The month with the least sunshine days is November (6.1 days).

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Average UV index in May
Douglas, AK

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

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

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Average cloud cover in May
Douglas, AK

Average cloud cover in May - Douglas, AK
  • Average cloud cover in May: 61

The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 61).

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Average visibility in May
Douglas, AK

Average visibility in May - Douglas, AK
  • Average visibility in May: 4mi

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

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Douglas, Alaska, USA

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