May weather forecast
Skagway, AK

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The White Pass & Yukon Route Railroad heading to Skagway in Alaska
The White Pass & Yukon Route Railroad heading to Skagway in Alaska

Weather in May

May is the month where Skagway truly blooms into the spring weather, with the city shedding its last remnants of winter. The temperatures experience a significant leap, with the highs rising to a comfortable 44.1°F (6.7°C). With the disappearance of snowfall, rainfall takes center stage but remains moderate. The days become considerably longer, providing ample daylight for outdoor activities. The city's weather becomes more stable and enjoyable during this time, as May ushers in the warmer months in Skagway.

Temperature

An escalation in the average high-temperature is seen in Skagway with the onset of May, moving from a subzero cold 31.3°F (-0.4°C) in April to a frosty 44.1°F (6.7°C). Skagway reports a consistent average low-temperature of 31.5°F (-0.3°C) throughout May nights.

Humidity

The average relative humidity in May is 81%.

Rainfall

The month with the least rainfall is May, when the rain falls for 16.4 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Skagway aggregates 0.12" (3mm) of snow. In Skagway, during the entire year, snow falls for 95.8 days and aggregates up to 78.78" (2001mm) of snow.

Daylight

In May, the average length of the day is 17h and 5min.
On the first day of May, sunrise is at 4:58 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 3:55 am and sunset at 10:02 pm AKDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

In Skagway, Alaska, the average daily maximum UV index in May is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 during May leads to these advisories:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

How cold does it get in May?

In Skagway, 44.1°F (6.7°C) is the average high-temperature and 31.5°F (-0.3°C) is the average low-temperature during May.

What is the average humidity in May?

The average relative humidity in May is 81%.

What is the driest month?

May is the month with the least rainfall. Rain falls for 16.4 days and accumulates 1.54" (39mm) of precipitation.

How many days does it rain in May?

In Skagway, during May, the rain falls for 16.4 days and regularly aggregates up to 1.54" (39mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Skagway aggregates 0.12" (3mm) of snow.

How many hours of daylight does Skagway have in May?

The average day length in May in Skagway is 17h and 5min.

When are sunrise and sunset in May in Skagway?

In May, on the first day of the month, sunrise is at 4:58 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 3:55 am and sunset at 10:02 pm AKDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.5h.

How high is the UV index in May?

The average daily maximum UV index in May is 2. A UV Index of 2, and less, symbolizes a low 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
Skagway, AK

Average temperature in May - Skagway, AK
  • Average high temperature in May: 44.1°F

The warmest month (with the highest average high temperature) is July (54.9°F).
The month with the lowest average high temperature is December (17.8°F).

  • Average low temperature in May: 31.5°F

The month with the highest average low temperature is July (42.6°F).
The coldest month (with the lowest average low temperature) is February (7°F).

Average pressure in May
Skagway, AK

Average pressure in May - Skagway, AK
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.83"Hg).

Average wind speed in May
Skagway, AK

Average wind speed in May - Skagway, AK
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are April and May (5.5mph).

Average humidity in May
Skagway, AK

Average humidity in May - Skagway, AK
  • Average humidity in May: 81%

The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are June and July (80%).

Average rainfall in May
Skagway, AK

Average rainfall in May - Skagway, AK
  • Average rainfall in May: 1.54"

The wettest month (with the highest rainfall) is January (4.13").
The driest month (with the least rainfall) is May (1.54").

Average rainfall days in May
Skagway, AK

Average rainfall days in May - Skagway, AK
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in May
Skagway, AK

Average snowfall in May - Skagway, AK
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (19.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Skagway, AK

Average snowfall days in May - Skagway, AK
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Skagway, AK
  • Average daylight in May: 17h and 1min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

Average sunshine days in May
Skagway, AK

Average sunshine days in May - Skagway, AK
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is March (12.3 days).
The month with the least sunshine days is June (8 days).

Average UV index in May
Skagway, AK

Average UV index in May - Skagway, AK
  • Average UV index in May: 2

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

Average cloud cover in May
Skagway, AK

Average cloud cover in May - Skagway, AK
  • Average cloud cover in May: 51

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 51).

Average visibility in May
Skagway, AK

Average visibility in May - Skagway, AK
  • Average visibility in May: 5mi

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

Skagway, Alaska, USA

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