May weather forecast
Whittier, AK

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Weather in May

May in Whittier brings a significant improvement in climate conditions and visibility. As temperatures continue to escalate, the outdoor thermometer starts to display much friendlier readings than those in April. The month is characteristic of longer daylight hours, which dramatically increase to 17.4 hours from 14.7 hours in April, adding a luminous charm to the city. Despite the spring revival, the last flickers of winter aren’t entirely snuffed out, as evidenced by an occasional snowfall of 3.43" (87mm). Overall, May stands out as a distinctly warmer and more welcoming month.

Temperature

As Whittier enters May, the average high-temperature marginally increases from the a wintry 32.5°F (0.3°C) of April to a still icy 41.4°F (5.2°C). Whittier in May anticipates an average nighttime temperature of 30.9°F (-0.6°C).

Humidity

In May, the average relative humidity is 85%.

Rainfall

In Whittier, in May, it is raining for 20.2 days, with typically 6.5" (165mm) of accumulated precipitation. Throughout the year, there are 199.9 rainfall days, and 94.88" (2410mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 2.5 snowfall days, in May, Whittier aggregates 3.43" (87mm) of snow. Throughout the year, there are 111.4 snowfall days, and 193.66" (4919mm) of snow is accumulated.

Daylight

In May, the average length of the day is 17h and 26min.
On the first day of May in Whittier, sunrise is at 5:45 am and sunset at 9:58 pm. On the last day of the month, sunrise is at 4:35 am and sunset at 11:09 pm AKDT.

Sunshine

The average sunshine in May is 7.1h.

UV index

In Whittier, the average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

Is May cold?

The average high-temperature and low-temperature during May are 41.4°F (5.2°C) and 30.9°F (-0.6°C) respectively.

What is the average humidity in May in Whittier?

In May, the average relative humidity is 85%.

How many days does it rain in May?

In Whittier, in May, during 20.2 rainfall days, 6.5" (165mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 2.5 snowfall days, in May, Whittier aggregates 3.43" (87mm) of snow.

How many hours of daylight does Whittier have in May?

In May, the average day length is 17h and 26min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 9:58 pm. On the last day of the month, sunrise is at 4:35 am and sunset at 11:09 pm AKDT.

How long on average sun shines in May?

In Whittier, the average sunshine duration in May is 7.1h.

What is the UV index intensity in May?

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

Average temperature in May - Whittier, AK
  • Average high temperature in May: 41.4°F

The warmest month (with the highest average high temperature) is July (55°F).
The month with the lowest average high temperature is January (20.1°F).

  • Average low temperature in May: 30.9°F

The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in May
Whittier, AK

Average pressure in May - Whittier, AK
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).

Average wind speed in May
Whittier, AK

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

The windiest month (with the highest average wind speed) is November (6.1mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).

Average humidity in May
Whittier, AK

Average humidity in May - Whittier, AK
  • Average humidity in May: 85%

The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is June (82%).

Average rainfall in May
Whittier, AK

Average rainfall in May - Whittier, AK
  • Average rainfall in May: 6.5"

The wettest month (with the highest rainfall) is October (12.13").
The driest month (with the least rainfall) is June (3.9").

Average rainfall days in May
Whittier, AK

Average rainfall days in May - Whittier, AK
  • Average rainfall days in May: 20.2 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is February (7.7 days).

Average snowfall in May
Whittier, AK

Average snowfall in May - Whittier, AK
  • Average snowfall in May: 3.43"

The month with the highest snowfall is December (46.38").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Whittier, AK

Average snowfall days in May - Whittier, AK
  • Average snowfall days in May: 2.5 days

The month with the highest number of snowfall days is December (21.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Whittier, AK
  • Average daylight in May: 17h and 2min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in May: 7h and 1min

The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

Average sunshine days in May
Whittier, AK

Average sunshine days in May - Whittier, AK
  • Average sunshine days in May: 8.4 days

The month with the most sunshine days is January (9.3 days).
The month with the least sunshine days is April (5.6 days).

Average UV index in May
Whittier, AK

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

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

Average cloud cover in May
Whittier, AK

Average cloud cover in May - Whittier, AK
  • Average cloud cover in May: 61

The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are March and June (Cloud cover 60).

Average visibility in May
Whittier, AK

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

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

Whittier, Alaska, USA

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