May weather forecast
McGrath, AK

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Weather in May

May, the last month of the spring in McGrath, is a mild month, with an average temperature ranging between min 37.9°F (3.3°C) and max 55.6°F (13.1°C).

Temperature

As McGrath steps into May, the average high-temperature increases significantly from the a cold 34.2°F (1.2°C) of April to a mild 55.6°F (13.1°C). May is noted for a mean low-temperature of 37.9°F (3.3°C).

Humidity

In May, the average relative humidity in McGrath, Alaska, is 63%.

Rainfall

In McGrath, during May, the rain falls for 12.3 days and regularly aggregates up to 0.67" (17mm) of precipitation. In McGrath, during the entire year, the rain falls for 111.7 days and collects up to 14.88" (378mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in McGrath. May is the last month it regularly snows in McGrath, Alaska. During 2.1 snowfall days, in May, McGrath aggregates 0.28" (7mm) of snow. Throughout the year, in McGrath, there are 96.1 snowfall days, and 38.66" (982mm) of snow is accumulated.

Daylight

In May, the average length of the day is 18h and 5min.
On the first day of May, sunrise is at 5:59 am and sunset at 10:39 pm. On the last day of the month, sunrise is at 4:35 am and sunset at 12:04 am AKDT.

Sunshine

May has the most sunshine of the year, with an average of 10.1h of sunshine.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. 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. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are May temperatures in McGrath?

An average high-temperature, in May, in McGrath, is 55.6°F (13.1°C) and the average low-temperature is 37.9°F (3.3°C).

What is the average humidity in May in McGrath?

In May, the average relative humidity is 63%.

How much does it rain in McGrath in May?

In May, in McGrath, Alaska, the rain falls for 12.3 days. Throughout May, 0.67" (17mm) of precipitation is accumulated.

What is the last month it snows in McGrath?

May is the last month it regularly snows. During 2.1 snowfall days, in May, McGrath aggregates 0.28" (7mm) of snow.

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

The average day length in May is 18h and 5min.

When are sunrise and sunset in May in McGrath?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 10:39 pm. On the last day of the month, in McGrath, Alaska, sunrise is at 4:35 am and sunset at 12:04 am AKDT.

What month has the most sunshine in McGrath?

With an average of 10.1h of sunshine, May has the most sunshine of the year.

How many hours of sunshine does McGrath have in May?

In May, the average sunshine duration in McGrath, Alaska, is 10.1h.

What are the months with the highest UV index in McGrath?

The months with the highest UV index in McGrath are May through July, with an average maximum UV index of 4.

What is the UV index reading in May in McGrath?

In McGrath, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
McGrath, AK

Average temperature in May - McGrath, AK
  • Average high temperature in May: 55.6°F

The warmest month (with the highest average high temperature) is July (67.1°F).
The month with the lowest average high temperature is January (2.5°F).

  • Average low temperature in May: 37.9°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (-8°F).

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Average pressure in May
McGrath, AK

Average pressure in May - McGrath, AK
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).

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Average wind speed in May
McGrath, AK

Average wind speed in May - McGrath, AK
  • Average wind speed in May: 5.9mph

The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest months (with the lowest average wind speed) are February, November and December (5.3mph).

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Average humidity in May
McGrath, AK

Average humidity in May - McGrath, AK
  • Average humidity in May: 63%

The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (62%).

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Average rainfall in May
McGrath, AK

Average rainfall in May - McGrath, AK
  • Average rainfall in May: 0.67"

The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in May
McGrath, AK

Average rainfall days in May - McGrath, AK
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in May
McGrath, AK

Average snowfall in May - McGrath, AK
  • Average snowfall in May: 0.28"

The month with the highest snowfall is November (10.16").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
McGrath, AK

Average snowfall days in May - McGrath, AK
  • Average snowfall days in May: 2.1 days

The months with the highest number of snowfall days are March and November (15.8 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
McGrath, AK

Average daylight in May / Average sunshine in May - McGrath, AK
  • Average daylight in May: 18h and 1min

The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is May (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

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Average sunshine days in May
McGrath, AK

Average sunshine days in May - McGrath, AK
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (9.6 days).

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Average UV index in May
McGrath, AK

Average UV index in May - McGrath, AK
  • Average UV index in May: 4

The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, March, October, November and December (UV index 1).

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Average cloud cover in May
McGrath, AK

Average cloud cover in May - McGrath, AK
  • Average cloud cover in May: 47

The month with the most cloud cover is April (Cloud cover 68).
The months with the least cloud cover are May and June (Cloud cover 47).

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Average visibility in May
McGrath, AK

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

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

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McGrath, Alaska, USA

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