Palmer
Alaska, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Palmer, AK

Buildings, rocks, and high surrounding mountains in the scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska
Buildings, rocks, and high surrounding mountains in the scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska
The last month of the spring, May, is a frosty month in Palmer, Alaska, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 32°F (0°C).

Temperature

In May, the average high-temperature increases, from a cold 36.1°F (2.3°C) in April, to a frosty 48.6°F (9.2°C). The average low-temperature, in Palmer, is 32°F (0°C).

Humidity

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

Rainfall

In Palmer, it is raining for 18.3 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 190.7 rainfall days, and 17.4" (442mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Palmer. May is the last month it regularly snows in Palmer. During 1.1 snowfall days, 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 Palmer, the average length of the day is 17.7h.

Sunshine

The month with the most sunshine in Palmer is May, with an average of 11.8h of sunshine.

UV index

In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Palmer?

In May, in Palmer, the average high-temperature is 48.6°F (9.2°C), and the average low-temperature is 32°F (0°C).

What is the least humid month in Palmer?

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 May, the average relative humidity is 69%.

How many days does it rain in May in Palmer?

In Palmer, during May, the rain falls for 18.3 days and regularly aggregates up to 1.18" (30mm) of precipitation.

What is the last month it snows in Palmer?

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

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

The average length of the day in May is 17.7h.

What month has the most sunshine in Palmer?

The month with the most sunshine in Palmer is May, with an average of 11.8h of sunshine.

How long on average sun shines in May in Palmer?

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

What is the UV index intensity in May in Palmer?

In Palmer, Alaska, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
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: 0°F

Months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (0°F).
Coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (0°F).

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

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

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 lowest rainfall) is January (0.91").

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 lowest number of rainy days is February (8.9 days).

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

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

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).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in May / Average sunshine in May - Palmer, AK
  • Average daylight in May: 17.7h

The month with the longest days is June (Average daylight: 19.4h).
The month with shortest days is December (Average daylight: 5.5h).

  • Average sunshine in May: 11.8h

The month with most sunshine is May (Average sunshine: 11.8h).
The month with least sunshine is December (Average sunshine: 3.9h).

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

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