May weather forecast
Salishan, OR

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Weather in May

The last month of the spring, May, is a mild month in Salishan, Oregon, with an average temperature varying between 57.9°F (14.4°C) and 46.8°F (8.2°C).

Temperature

A minimal variation is noted in Salishan's average high-temperature at the onset of May, reaching a refreshing 57.9°F (14.4°C) from April's 53.2°F (11.8°C). During May, the temperature in Salishan, Oregon, tends to dip to an average of 46.8°F (8.2°C) at night.

Humidity

The months with the lowest humidity are April, May, July, September and October, with an average relative humidity of 81%.

Rainfall

In Salishan, in May, during 9.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Salishan, Oregon, during the entire year, the rain falls for 139.5 days and collects up to 18.66" (474mm) of precipitation.

Snowfall

In Salishan, snow does not fall in March through October and December.

Daylight

The average length of the day in May in Salishan is 14h and 52min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:22 pm. On the last day of May, in Salishan, Oregon, sunrise is at 5:33 am and sunset at 8:54 pm PDT.

Sunshine

In Salishan, the average sunshine in May is 8.4h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 in May translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are May temperatures in Salishan?

The high-temperature during May is 57.9°F (14.4°C) and the low-temperature is 46.8°F (8.2°C).

What is the least humid month in Salishan?

April, May, July, September and October, with an average relative humidity of 81%, are the least humid months in Salishan.

What is the average humidity in May in Salishan?

In Salishan, the average relative humidity in May is 81%.

How many days does it rain in May in Salishan?

In Salishan, in May, during 9.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow in Salishan?

March through October and December are months without snowfall in Salishan, Oregon.

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

The average day length in May in Salishan is 14h and 52min.

When is the sunrise / sunset in May in Salishan?

On the first day of May, sunrise is at 6:04 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:54 pm PDT.

How many hours of sunshine does Salishan have in May?

The average sunshine duration in May in Salishan is 8.4h.

How high is the UV index in May in Salishan?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Salishan, OR

Average temperature in May - Salishan, OR
  • Average high temperature in May: 57.9°F

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.7°F).

  • Average low temperature in May: 46.8°F

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

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Average pressure in May
Salishan, OR

Average pressure in May - Salishan, OR
  • Average pressure in May: 30.06"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).

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Average wind speed in May
Salishan, OR

Average wind speed in May - Salishan, OR
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in May
Salishan, OR

Average humidity in May - Salishan, OR
  • Average humidity in May: 81%

The months with the highest relative humidity are February, March, November and December (83%).
The months with the lowest relative humidity are April, May, July, September and October (81%).

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Average rainfall in May
Salishan, OR

Average rainfall in May - Salishan, OR
  • Average rainfall in May: 1.02"

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in May
Salishan, OR

Average rainfall days in May - Salishan, OR
  • Average rainfall days in May: 9.5 days

The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (3.7 days).

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Average snowfall in May
Salishan, OR

Average snowfall in May - Salishan, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").

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Average snowfall days in May
Salishan, OR

Average snowfall days in May - Salishan, OR
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Salishan, OR

Average daylight in May / Average sunshine in May - Salishan, OR
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).

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Average sunshine days in May
Salishan, OR

Average sunshine days in May - Salishan, OR
  • Average sunshine days in May: 19.4 days

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (10.9 days).

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Average UV index in May
Salishan, OR

Average UV index in May - Salishan, OR
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in May
Salishan, OR

Average cloud cover in May - Salishan, OR
  • Average cloud cover in May: 47

The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in May
Salishan, OR

Average visibility in May - Salishan, OR
  • Average visibility in May: 6mi

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

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Salishan, Oregon, USA

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