May weather forecast
Asotin, WA

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Weather in May

The last month of the spring, May, is a refreshing month in Asotin, Washington, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 42.3°F (5.7°C).

Temperature

May's onset brings a subtle temperature rise, moving from a mild 56.3°F (13.5°C) in April to a comfortable 64.9°F (18.3°C). Asotin registers a substantial downturn from daytime peaks throughout May nights, with an average low-temperature of 42.3°F (5.7°C).

Humidity

In May, the average relative humidity is 68%.

Rainfall

The month with the most rainfall in Asotin, Washington, is May, when the rain falls for 12.5 days and typically aggregates up to 1.3" (33mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Asotin aggregates 0.04" (1mm) of snow. Throughout the year, in Asotin, there are 20 snowfall days, and 6.02" (153mm) of snow is accumulated.

Daylight

The average length of the day in May in Asotin is 15h and 1min.
On the first day of the month, sunrise is at 5:32 am and sunset at 7:57 pm. On the last day of May, sunrise is at 4:59 am and sunset at 8:32 pm PDT.

Sunshine

In Asotin, the average sunshine in May is 10.7h.

UV index

The average daily maximum UV index in May in Asotin is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the temperature in May in Asotin?

In Asotin, in May, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 42.3°F (5.7°C).

What is the average humidity in May in Asotin?

In Asotin, the average relative humidity in May is 68%.

What is the wettest month in Asotin?

The month with the most rainfall in Asotin, Washington, is May, when the rain falls for 12.5 days and typically aggregates up to 1.3" (33mm) of precipitation.

How many days does it rain in May in Asotin?

In Asotin, during May, the rain falls for 12.5 days and regularly aggregates up to 1.3" (33mm) of precipitation.

What is the last month it snows in Asotin?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Asotin aggregates 0.04" (1mm) of snow.

How many hours of daylight does Asotin have in May?

In Asotin, Washington, the average day length in May is 15h and 1min.

What time are sunrise and sunset in May in Asotin?

On the first day of May in Asotin, Washington, sunrise is at 5:32 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 8:32 pm PDT.

How long on average sun shines in May in Asotin?

In May, the average sunshine duration in Asotin is 10.7h.

What is the UV index intensity in May in Asotin?

In Asotin, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Asotin, WA

Average temperature in May - Asotin, WA
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in May: 42.3°F

The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).

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Average pressure in May
Asotin, WA

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

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in May
Asotin, WA

Average wind speed in May - Asotin, WA
  • Average wind speed in May: 4.7mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).

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Average humidity in May
Asotin, WA

Average humidity in May - Asotin, WA
  • Average humidity in May: 68%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in May
Asotin, WA

Average rainfall in May - Asotin, WA
  • Average rainfall in May: 1.3"

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is August (0.31").

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Average rainfall days in May
Asotin, WA

Average rainfall days in May - Asotin, WA
  • Average rainfall days in May: 12.5 days

The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is August (4.7 days).

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Average snowfall in May
Asotin, WA

Average snowfall in May - Asotin, WA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Asotin, WA

Average snowfall days in May - Asotin, WA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is December (6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Asotin, WA

Average daylight in May / Average sunshine in May - Asotin, WA
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

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Average sunshine days in May
Asotin, WA

Average sunshine days in May - Asotin, WA
  • Average sunshine days in May: 15.9 days

The months with the most sunshine days are July and September (23.5 days).
The months with the least sunshine days are February and April (13.8 days).

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Average UV index in May
Asotin, WA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Asotin, WA

Average cloud cover in May - Asotin, WA
  • Average cloud cover in May: 30

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in May
Asotin, WA

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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Asotin, Washington, USA

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