May weather forecast
Palmer, AK

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The scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska
The scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska

Weather in May

May marks the transition from spring to early summer in Palmer. The increased daytime temperature and significant reduction in snowfall indicate the end of winter. Residents prepare for warmer days with more sunlight and outdoor activities. June will push the temperature needle further up, as the longest days of the year approaches. The clear skies and warmer days make May one of the most enjoyable months in Palmer.

Temperature

The average high-temperature in Palmer increases in May, moving from an icy 36.1°F (2.3°C) in April to a chilly 48.6°F (9.2°C). In Palmer, in May, the average low-temperature is an icy 33.3°F (0.7°C).

Humidity

The months with the lowest humidity are May and June, with an average relative humidity of 69%.

Rainfall

In May, in Palmer, Alaska, the rain falls for 18.3 days. Throughout May, 1.18" (30mm) of precipitation is accumulated. In Palmer, during the entire year, the rain falls for 190.7 days and collects up to 17.4" (442mm) of precipitation.

Snowfall

Months with snowfall in Palmer, Alaska, are January through May, September through December. May is the last month it regularly snows in Palmer. During 1.1 snowfall days, in May, Palmer aggregates 0.16" (4mm) of snow. In Palmer, during the entire year, snow falls for 76.2 days and aggregates up to 33.5" (851mm) of snow.

Daylight

In May, the average length of the day is 17h and 40min.
On the first day of May in Palmer, sunrise is at 5:41 am and sunset at 10:05 pm. On the last day of the month, sunrise is at 4:27 am and sunset at 11:20 pm AKDT.

Sunshine

May has the most sunshine of the year, with an average of 11.8h of sunshine.

UV index

The average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 3 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Palmer?

In Palmer, 48.6°F (9.2°C) is the average high-temperature and 33.3°F (0.7°C) is the average low-temperature during May.

What is the least humid month in Palmer?

The months with the lowest humidity in Palmer are May and June, with an average relative humidity of 69%.

What is the average humidity in May in Palmer?

In Palmer, the average relative humidity in May is 69%.

How many days does it rain in May in Palmer?

In Palmer, Alaska, in May, during 18.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

What is the last month it snows in Palmer?

May is the last month it regularly snows in Palmer. During 1.1 snowfall days, in May, Palmer aggregates 0.16" (4mm) of snow.

How many hours of daylight does Palmer have in May?

In May, the average day length in Palmer is 17h and 40min.

When is the sunrise / sunset in May in Palmer?

In May, on the first day of the month, sunrise is at 5:41 am and sunset at 10:05 pm. On the last day of the month, in Palmer, sunrise is at 4:27 am and sunset at 11:20 pm AKDT.

What month has the most sunshine in Palmer?

May has the most sunshine of the year, with an average of 11.8h of sunshine.

How many hours of sunshine does Palmer have in May?

In Palmer, Alaska, the average sunshine duration in May is 11.8h.

What is the UV index reading in May in Palmer?

In May, the average daily maximum UV index in Palmer, Alaska, is 3. A UV Index reading of 3 to 5 represents a moderate 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
Palmer, AK

Average temperature in May - Palmer, AK
  • Average high temperature in May: 48.6°F

The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in May: 33.3°F

The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in May
Palmer, AK

Average pressure in May - Palmer, AK
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).

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Average wind speed in May
Palmer, AK

Average wind speed in May - Palmer, AK
  • Average wind speed in May: 4.4mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

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Average humidity in May
Palmer, AK

Average humidity in May - Palmer, AK
  • Average humidity in May: 69%

The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are May and June (69%).

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Average rainfall in May
Palmer, AK

Average rainfall in May - Palmer, AK
  • Average rainfall in May: 1.18"

The wettest month (with the highest rainfall) is September (2.24").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in May
Palmer, AK

Average rainfall days in May - Palmer, AK
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is June (22.4 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in May
Palmer, AK

Average snowfall in May - Palmer, AK
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Palmer, AK

Average snowfall days in May - Palmer, AK
  • Average snowfall days in May: 1.1 days

The month with the highest number of snowfall days is February (14.1 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
Palmer, AK

Average daylight in May / Average sunshine in May - Palmer, AK
  • Average daylight in May: 17h and 4min

The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).

  • Average sunshine in May: 11h and 5min

The month with the most sunshine is May (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

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Average sunshine days in May
Palmer, AK

Average sunshine days in May - Palmer, AK
  • Average sunshine days in May: 9.1 days

The month with the most sunshine days is January (13.9 days).
The month with the least sunshine days is June (5.3 days).

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Average UV index in May
Palmer, AK

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

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Palmer, AK

Average cloud cover in May - Palmer, AK
  • Average cloud cover in May: 38

The month with the most cloud cover is April (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 37).

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Average visibility in May
Palmer, AK

Average visibility in May - Palmer, AK
  • Average visibility in May: 6mi

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

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Palmer, Alaska, USA

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