May weather forecast
Nikolai, AK

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Weather in May

The last month of the spring, May, is a moderate month in Nikolai, Alaska, with an average temperature fluctuating between 37.9°F (3.3°C) and 55.6°F (13.1°C).

Temperature

In Nikolai, the average high-temperature in May significantly increases from a wintry 34.2°F (1.2°C) in April to a refreshing 55.6°F (13.1°C). The average temperature during May nights dips to a cold 37.9°F (3.3°C).

Humidity

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

Rainfall

In Nikolai, during May, the rain falls for 12.3 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 111.7 rainfall days, and 14.88" (378mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 2.1 snowfall days, in May, Nikolai aggregates 0.28" (7mm) of snow. Throughout the year, 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 7min.
On the first day of May, sunrise is at 5:53 am and sunset at 10:35 pm. On the last day of the month, sunrise is at 4:30 am and sunset at 12:00 am AKDT.

Sunshine

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

UV index

May through July, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in May transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In May, in Nikolai, the average high-temperature 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?

The average relative humidity in May is 63%.

How many days does it rain in May?

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

What is the last month it snows?

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

How many hours of daylight does Nikolai have in May?

In May, the average day length is 18h and 7min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:53 am and sunset at 10:35 pm. On the last day of the month, sunrise is at 4:30 am and sunset at 12:00 am AKDT.

What month has the most sunshine?

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

How long on average sun shines in May?

In May, the average sunshine duration is 10.1h.

When is the highest UV index?

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

What is the UV index intensity in May?

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

Average temperature in May - Nikolai, 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).

Average pressure in May
Nikolai, AK

Average pressure in May - Nikolai, 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).

Average wind speed in May
Nikolai, AK

Average wind speed in May - Nikolai, 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).

Average humidity in May
Nikolai, AK

Average humidity in May - Nikolai, 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%).

Average rainfall in May
Nikolai, AK

Average rainfall in May - Nikolai, 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").

Average rainfall days in May
Nikolai, AK

Average rainfall days in May - Nikolai, 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).

Average snowfall in May
Nikolai, AK

Average snowfall in May - Nikolai, 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").

Average snowfall days in May
Nikolai, AK

Average snowfall days in May - Nikolai, 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).

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

Average daylight in May / Average sunshine in May - Nikolai, 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).

Average sunshine days in May
Nikolai, AK

Average sunshine days in May - Nikolai, 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).

Average UV index in May
Nikolai, AK

Average UV index in May - Nikolai, 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).

Average cloud cover in May
Nikolai, AK

Average cloud cover in May - Nikolai, 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).

Average visibility in May
Nikolai, AK

Average visibility in May - Nikolai, 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).

Nikolai, Alaska, USA

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