May weather forecast
Fort Yukon, AK

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Weather in May

The transformation in May is evident; from biting cold to milder climes, the shift in seasons is palpable. As temperatures make their way up from 16.2°F (-8.8°C) to a gentle 39.2°F (4°C), ice gives way to waking flora. Humidity significantly drops to its lowest level for the year, being less than half of what it was in winter. A noticeable increase in rainfall accompanies this temperature surge, replenishing fauna and flora. Longer days combined with diminished cloud coverage allow plenty of opportunities for outdoor ventures.

Temperature

A distinct shift in the average high-temperature is signaled in May, moving up from a freezing cold 30.2°F (-1°C) in April to a mild 57.4°F (14.1°C). In May, the temperature in Fort Yukon drops to an average of 39.2°F (4°C) at night.

Humidity

In Fort Yukon, the average relative humidity in May is 59%.

Rainfall

In Fort Yukon, in May, during 8 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Fort Yukon, during the entire year, the rain falls for 63.3 days and collects up to 6.57" (167mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows in Fort Yukon. During 2.4 snowfall days, in May, Fort Yukon aggregates 0.43" (11mm) of snow. In Fort Yukon, Alaska, during the entire year, snow falls for 96.1 days and aggregates up to 20.63" (524mm) of snow.

Daylight

The month with the longest days in Fort Yukon is May, with an average of 19h and 48min of daylight.
On the first day of the month, sunrise is at 4:47 am and sunset at 10:28 pm. On the last day of May, in Fort Yukon, sunrise is at 2:29 am and sunset at 12:48 am AKDT.

Sunshine

With an average of 10.9h of sunshine, May has the most sunshine of the year in Fort Yukon.

UV index

In Fort Yukon, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 4 in May translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Fort Yukon in May?

May temperatures vary between a high-temperature of 57.4°F (14.1°C) and a low-temperature of 39.2°F (4°C).

What is the average humidity in May in Fort Yukon?

In May, the average relative humidity in Fort Yukon is 59%.

How many days does it rain in May in Fort Yukon?

In May, in Fort Yukon, the rain falls for 8 days. Throughout May, 0.51" (13mm) of precipitation is accumulated.

What is the last month it snows in Fort Yukon?

May is the last month it regularly snows in Fort Yukon, Alaska. During 2.4 snowfall days, in May, Fort Yukon aggregates 0.43" (11mm) of snow.

When are the longest days in Fort Yukon?

With an average of 19h and 48min of daylight, May has the longest days of the year in Fort Yukon.

How many hours of daylight does Fort Yukon have in May?

In May, the average day length in Fort Yukon, Alaska, is 19h and 46min.

What time are sunrise and sunset in May in Fort Yukon?

In May, on the first day of the month, sunrise is at 4:47 am and sunset at 10:28 pm. On the last day of the month, in Fort Yukon, Alaska, sunrise is at 2:29 am and sunset at 12:48 am AKDT.

What month has the most sunshine in Fort Yukon?

The month with the most sunshine is May, with an average of 10.9h of sunshine.

How many hours of sunshine does Fort Yukon have in May?

In May, the average sunshine duration in Fort Yukon is 10.9h.

What is the UV index reading in May in Fort Yukon?

In Fort Yukon, Alaska, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Fort Yukon, AK

Average temperature in May - Fort Yukon, AK
  • Average high temperature in May: 57.4°F

The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (-6.3°F).

  • Average low temperature in May: 39.2°F

The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (-18°F).

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Average pressure in May
Fort Yukon, AK

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

The month with the highest atmospheric pressure is February (30.03"Hg).
The month with the lowest atmospheric pressure is September (29.79"Hg).

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Average wind speed in May
Fort Yukon, AK

Average wind speed in May - Fort Yukon, AK
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is June (6.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (4.3mph).

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Average humidity in May
Fort Yukon, AK

Average humidity in May - Fort Yukon, AK
  • Average humidity in May: 59%

The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (44%).

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Average rainfall in May
Fort Yukon, AK

Average rainfall in May - Fort Yukon, AK
  • Average rainfall in May: 0.51"

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is February (0.28").

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Average rainfall days in May
Fort Yukon, AK

Average rainfall days in May - Fort Yukon, AK
  • Average rainfall days in May: 8 days

The month with the highest number of rainy days is August (11.7 days).
The month with the least rainy days is February (0.6 days).

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Average snowfall in May
Fort Yukon, AK

Average snowfall in May - Fort Yukon, AK
  • Average snowfall in May: 0.43"

The month with the highest snowfall is November (3.58").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Fort Yukon, AK

Average snowfall days in May - Fort Yukon, AK
  • Average snowfall days in May: 2.4 days

The month with the highest number of snowfall days is March (14.9 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
Fort Yukon, AK

Average daylight in May / Average sunshine in May - Fort Yukon, AK
  • Average daylight in May: 19h and 5min

The month with the longest days is May (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 2h and 36min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is June (Average sunshine: 1h and 0min).

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Average sunshine days in May
Fort Yukon, AK

Average sunshine days in May - Fort Yukon, AK
  • Average sunshine days in May: 20 days

The month with the most sunshine days is June (21.4 days).
The month with the least sunshine days is April (14.7 days).

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Average UV index in May
Fort Yukon, AK

Average UV index in May - Fort Yukon, 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, September, October, November and December (UV index 1).

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Average cloud cover in May
Fort Yukon, AK

Average cloud cover in May - Fort Yukon, AK
  • Average cloud cover in May: 44

The month with the most cloud cover is April (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 34).

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Average visibility in May
Fort Yukon, AK

Average visibility in May - Fort Yukon, 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 and December (2mi).

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Fort Yukon, Alaska, USA

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