May weather forecast
Marion, OR

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Weather in May

The last month of the spring, May, is a comfortable month in Marion, Oregon, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 42.1°F (5.6°C).

Temperature

With the onset of May, Marion's weather sees a minor temperature rise, transitioning from a refreshing 56.7°F (13.7°C) in April to a comfortable 64.9°F (18.3°C). In May, the temperature in Marion, Oregon, registers a significant dip to an average of 42.1°F (5.6°C) at night.

Humidity

In Marion, the average relative humidity in May is 77%.

Rainfall

In Marion, in May, during 14.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Marion, there are 169.4 rainfall days, and 31.57" (802mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Marion.

Daylight

In Marion, the average length of the day in May is 14h and 51min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:17 pm. On the last day of May, in Marion, sunrise is at 5:29 am and sunset at 8:50 pm PDT.

Sunshine

In Marion, the average sunshine in May is 8.7h.

UV index

In Marion, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 4 in May translates into these instructions:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What is the temperature in May in Marion?

In May, in Marion, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 42.1°F (5.6°C).

What is the average humidity in May in Marion?

In Marion, Oregon, the average relative humidity in May is 77%.

How many days does it rain in May in Marion?

In Marion, Oregon, in May, it is raining for 14.3 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Marion?

May through October are months without snowfall in Marion.

Does it snow in Marion in May?

In May, in Marion, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Marion have in May?

In May, the average day length in Marion, Oregon, is 14h and 51min.

When is the sunrise / sunset in May in Marion?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 8:17 pm. On the last day of the month, in Marion, sunrise is at 5:29 am and sunset at 8:50 pm PDT.

How long on average sun shines in May in Marion?

In Marion, the average sunshine duration in May is 8.7h.

How high is the UV index in May in Marion?

In May, the average daily maximum UV index in Marion is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Marion, OR

Average temperature in May - Marion, OR
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).

  • Average low temperature in May: 42.1°F

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

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Average pressure in May
Marion, OR

Average pressure in May - Marion, OR
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in May
Marion, OR

Average wind speed in May - Marion, OR
  • Average wind speed in May: 4.3mph

The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in May
Marion, OR

Average humidity in May - Marion, OR
  • Average humidity in May: 77%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).

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Average rainfall in May
Marion, OR

Average rainfall in May - Marion, OR
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in May
Marion, OR

Average rainfall days in May - Marion, OR
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).

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Average snowfall in May
Marion, OR

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

The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Marion, OR

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

The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Marion, 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 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Marion, OR

Average sunshine days in May - Marion, OR
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).

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Average UV index in May
Marion, OR

Average UV index in May - Marion, OR
  • 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 2).

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Average cloud cover in May
Marion, OR

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

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in May
Marion, OR

Average visibility in May - Marion, OR
  • Average visibility in May: 5mi

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

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Marion, Oregon, USA

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