May weather forecast
Nighthawk, WA

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Weather in May

The last month of the spring, May, is a comfortable month in Nighthawk, Washington, with an average temperature varying between 37.8°F (3.2°C) and 62.6°F (17°C).

Temperature

May sees a temperature increase, moving from a chilly 49.6°F (9.8°C) in April to an enjoyable 62.6°F (17°C). May in Nighthawk presents a pronounced difference from daytime highs, with a consistent average low-temperature of 37.8°F (3.2°C).

Humidity

The average relative humidity in May is 63%.

Rainfall

May is the month with the most rainfall. Rain falls for 13.8 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Nighthawk aggregates 0.79" (20mm) of snow. Throughout the year, there are 89.6 snowfall days, and 47.44" (1205mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 19min.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:15 pm. On the last day of May, sunrise is at 4:58 am and sunset at 8:53 pm PDT.

Sunshine

In Nighthawk, the average sunshine in May is 10.8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the temperature in May in Nighthawk?

During May, Nighthawk experiences an average high-temperature of 62.6°F (17°C) and a low-temperature of 37.8°F (3.2°C).

What is the average humidity in May in Nighthawk?

The average relative humidity in May is 63%.

What is the rainiest month in Nighthawk?

The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 1.97" (50mm) of precipitation.

How much does it rain in Nighthawk in May?

In Nighthawk, Washington, in May, during 13.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

What is the last month it snows in Nighthawk?

May is the last month it regularly snows in Nighthawk, Washington. During 0.8 snowfall days, in May, Nighthawk aggregates 0.79" (20mm) of snow.

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

In Nighthawk, the average day length in May is 15h and 19min.

What time are sunrise and sunset in May in Nighthawk?

In May, on the first day of the month, sunrise is at 5:35 am and sunset at 8:15 pm. On the last day of the month, in Nighthawk, sunrise is at 4:58 am and sunset at 8:53 pm PDT.

How many hours of sunshine does Nighthawk have in May?

In May, the average sunshine duration is 10.8h.

What is the UV index intensity in May in Nighthawk?

The average daily maximum UV index in May in Nighthawk is 4. A UV Index estimate of 3 to 5 represents 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
Nighthawk, WA

Average temperature in May - Nighthawk, WA
  • Average high temperature in May: 62.6°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in May: 37.8°F

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in May
Nighthawk, WA

Average pressure in May - Nighthawk, WA
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

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Average wind speed in May
Nighthawk, WA

Average wind speed in May - Nighthawk, WA
  • Average wind speed in May: 4.2mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).

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Average humidity in May
Nighthawk, WA

Average humidity in May - Nighthawk, WA
  • Average humidity in May: 63%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in May
Nighthawk, WA

Average rainfall in May - Nighthawk, WA
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").

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Average rainfall days in May
Nighthawk, WA

Average rainfall days in May - Nighthawk, WA
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).

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Average snowfall in May
Nighthawk, WA

Average snowfall in May - Nighthawk, WA
  • Average snowfall in May: 0.79"

The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Nighthawk, WA

Average snowfall days in May - Nighthawk, WA
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (18.3 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
Nighthawk, WA

Average daylight in May / Average sunshine in May - Nighthawk, WA
  • Average daylight in May: 15h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in May
Nighthawk, WA

Average sunshine days in May - Nighthawk, WA
  • Average sunshine days in May: 15.1 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).

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Average UV index in May
Nighthawk, WA

Average UV index in May - Nighthawk, WA
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in May
Nighthawk, WA

Average cloud cover in May - Nighthawk, WA
  • Average cloud cover in May: 32

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in May
Nighthawk, WA

Average visibility in May - Nighthawk, WA
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

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Nighthawk, Washington, USA

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