May weather forecast
Outlook, WA

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Weather in May

May, the last month of the spring in Outlook, is an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 48.7°F (9.3°C).

Temperature

May's onset brings a rise in the average high-temperature, moving from a refreshing 60.4°F (15.8°C) in April to a pleasant 70.3°F (21.3°C). A steep decline to a frosty 48.7°F (9.3°C) characterizes the May nights in Outlook.

Humidity

In Outlook, the average relative humidity in May is 50%.

Rainfall

The month with the most rainfall in Outlook is May, when the rain falls for 10.3 days and typically aggregates up to 1.1" (28mm) of precipitation.

Snowfall

April through August and October are months without snowfall.

Daylight

In May, the average length of the day in Outlook is 15h and 1min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:09 pm. On the last day of May, in Outlook, sunrise is at 5:11 am and sunset at 8:44 pm PDT.

Sunshine

The average sunshine in May is 10.7h.

UV index

In May, the average daily maximum UV index in Outlook is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Outlook in May?

An average high-temperature, in May, in Outlook, is 70.3°F (21.3°C) and the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Outlook?

The average relative humidity in May in Outlook, Washington, is 50%.

What is the rainiest month in Outlook?

May is the month with the most rainfall in Outlook. Rain falls for 10.3 days and accumulates 1.1" (28mm) of precipitation.

How many days does it rain in May in Outlook?

In Outlook, Washington, in May, it is raining for 10.3 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Outlook?

In Outlook, snow does not fall in April through August and October.

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

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

When is the sunrise / sunset in May in Outlook?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:44 pm PDT.

How long on average sun shines in May in Outlook?

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

How high is the UV index in May in Outlook?

In May, the average daily maximum UV index in Outlook is 5. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Outlook, WA

Average temperature in May - Outlook, WA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (36.1°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (25.3°F).

Average pressure in May
Outlook, WA

Average pressure in May - Outlook, WA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

Average wind speed in May
Outlook, WA

Average wind speed in May - Outlook, WA
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is December (5mph).

Average humidity in May
Outlook, WA

Average humidity in May - Outlook, WA
  • Average humidity in May: 50%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (38%).

Average rainfall in May
Outlook, WA

Average rainfall in May - Outlook, WA
  • Average rainfall in May: 1.1"

The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in May
Outlook, WA

Average rainfall days in May - Outlook, WA
  • Average rainfall days in May: 10.3 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (4.1 days).

Average snowfall in May
Outlook, WA

Average snowfall in May - Outlook, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is December (2.24").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in May
Outlook, WA

Average snowfall days in May - Outlook, WA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (5 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in May / Average sunshine in May - Outlook, 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in May
Outlook, WA

Average sunshine days in May - Outlook, WA
  • Average sunshine days in May: 18.7 days

The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is March (15.4 days).

Average UV index in May
Outlook, WA

Average UV index in May - Outlook, WA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Outlook, WA

Average cloud cover in May - Outlook, WA
  • Average cloud cover in May: 28

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in May
Outlook, WA

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

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

Outlook, Washington, USA

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