May weather forecast
Delta Junction, AK

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Weather in May

May in Delta Junction is a pleasure to experience with the temperature highs touching 57.9°F (14.4°C) and a tangible decrease in snowfall. In fact, May takes the mantle of being the first month of the year without any snowfall days. Furthermore, the duration of daylight stretches to a generous 18.5 hours, offering longer days to residents. The increase in sunshine hours and temperature points to the onset of the summer season. This warm and bright contrast to the long winter months, is surely a respite for its denizens.

Temperature

Delta Junction's weather undergoes a significant change with the arrival of May, as the average high-temperature moves from a cold 38.3°F (3.5°C) in April to a moderate 57.9°F (14.4°C). The nighttime temperature in Delta Junction dips to an icy 40.1°F (4.5°C) on average during May.

Humidity

With an average relative humidity of 51%, May is the least humid month in Delta Junction.

Rainfall

In Delta Junction, Alaska, during May, the rain falls for 7.4 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Delta Junction, during the entire year, the rain falls for 70.4 days and collects up to 7.56" (192mm) of precipitation.

Snowfall

January through May, August through December are months with snowfall in Delta Junction. May is the last month it regularly snows. During 1.8 snowfall days, in May, Delta Junction aggregates 0.63" (16mm) of snow. Throughout the year, there are 56.2 snowfall days, and 18.66" (474mm) of snow is accumulated.

Daylight

In Delta Junction, the average length of the day in May is 18h and 29min.
On the first day of the month, sunrise is at 5:11 am and sunset at 10:08 pm. On the last day of May, sunrise is at 3:39 am and sunset at 11:42 pm AKDT.

Sunshine

In Delta Junction, the average sunshine in May is 12.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the UV index of 4 transforms into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the temperature in May in Delta Junction?

In Delta Junction, 57.9°F (14.4°C) is the average high-temperature and 40.1°F (4.5°C) is the average low-temperature during May.

What is the least humid month in Delta Junction?

May is the least humid month in Delta Junction, with an average relative humidity of 51%.

What is the average humidity in May in Delta Junction?

In May, the average relative humidity in Delta Junction, Alaska, is 51%.

How many days does it rain in May in Delta Junction?

In Delta Junction, in May, during 7.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

What is the last month it snows in Delta Junction?

May is the last month it regularly snows in Delta Junction. During 1.8 snowfall days, in May, Delta Junction aggregates 0.63" (16mm) of snow.

What is the average length of the day in May in Delta Junction?

The average day length in May is 18h and 29min.

When are sunrise and sunset in May in Delta Junction?

On the first day of May in Delta Junction, sunrise is at 5:11 am and sunset at 10:08 pm. On the last day of the month, sunrise is at 3:39 am and sunset at 11:42 pm AKDT.

How many hours of sunshine does Delta Junction have in May?

In Delta Junction, Alaska, the average sunshine duration in May is 12.6h.

How high is the UV index in May in Delta Junction?

In Delta Junction, Alaska, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Delta Junction, AK

Average temperature in May - Delta Junction, AK
  • Average high temperature in May: 57.9°F

The warmest month (with the highest average high temperature) is July (69.8°F).
The month with the lowest average high temperature is January (5.4°F).

  • Average low temperature in May: 40.1°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-5.8°F).

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Average pressure in May
Delta Junction, AK

Average pressure in May - Delta Junction, AK
  • Average pressure in May: 29.89"Hg

The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).

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Average wind speed in May
Delta Junction, AK

Average wind speed in May - Delta Junction, AK
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in May
Delta Junction, AK

Average humidity in May - Delta Junction, AK
  • Average humidity in May: 51%

The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is May (51%).

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Average rainfall in May
Delta Junction, AK

Average rainfall in May - Delta Junction, AK
  • Average rainfall in May: 0.55"

The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is February (0.24").

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Average rainfall days in May
Delta Junction, AK

Average rainfall days in May - Delta Junction, AK
  • Average rainfall days in May: 7.4 days

The month with the highest number of rainy days is August (12.3 days).
The month with the least rainy days is November (1.7 days).

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Average snowfall in May
Delta Junction, AK

Average snowfall in May - Delta Junction, AK
  • Average snowfall in May: 0.63"

The months with the highest snowfall are March and October (2.99").
The months with the least snowfall are June and July (0").

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Average snowfall days in May
Delta Junction, AK

Average snowfall days in May - Delta Junction, AK
  • Average snowfall days in May: 1.8 days

The month with the highest number of snowfall days is November (9.6 days).
The months with the least snowfall days are June and July (0 days).

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Average daylight in May /
Average sunshine in May
Delta Junction, AK

Average daylight in May / Average sunshine in May - Delta Junction, AK
  • Average daylight in May: 18h and 3min

The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).

  • Average sunshine in May: 12h and 4min

The month with the most sunshine is June (Average sunshine: 13h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

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Average sunshine days in May
Delta Junction, AK

Average sunshine days in May - Delta Junction, AK
  • Average sunshine days in May: 21.2 days

The months with the most sunshine days are January and December (23.5 days).
The month with the least sunshine days is August (17.4 days).

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Average UV index in May
Delta Junction, AK

Average UV index in May - Delta Junction, 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 2).

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Average cloud cover in May
Delta Junction, AK

Average cloud cover in May - Delta Junction, AK
  • Average cloud cover in May: 35

The months with the most cloud cover are March and November (Cloud cover 45).
The month with the least cloud cover is May (Cloud cover 35).

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Average visibility in May
Delta Junction, AK

Average visibility in May - Delta Junction, AK
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).

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Delta Junction, Alaska, USA

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