May weather forecast
Coos Bay, OR

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A unique sandy and rocky shore near a forest of pine trees in the Shore Acres State Park in Coos Bay, Oregon
A unique sandy and rocky shore near a forest of pine trees in the Shore Acres State Park in Coos Bay, Oregon

Weather in May

Moving into May, the beautiful city of Coos Bay, Oregon, witnesses the maturation of spring. As the temperatures rise, the rainfall sees an even steeper decrease to 1.69" (43mm), bringing dryness and warmth in the air. The wind speed continues to ease off, and the broader daylight hours resonate with the blithe spirit of spring. May is undeniably a bright and sunny month, revealing a clear, azure sky for most days. The gentle weather of May sets the tone for the forthcoming summer.

Temperature

An average high-temperature of a moderate 58.6°F (14.8°C) marks May in Coos Bay, Oregon, exhibiting a close resemblance to the conditions in April. Coos Bay anticipates an average minimum temperature of 46.2°F (7.9°C) in the month of May.

Humidity

In May, the average relative humidity is 82%.

Rainfall

In Coos Bay, during May, the rain falls for 11.6 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Coos Bay, Oregon, during the entire year, the rain falls for 153 days and collects up to 33.5" (851mm) of precipitation.

Snowfall

March through October and December are months without snowfall in Coos Bay.

Daylight

The average length of the day in May is 14h and 43min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:19 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:50 pm PDT.

Sunshine

The average sunshine in May in Coos Bay is 8.8h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the temperature in May in Coos Bay?

During May, Coos Bay experiences an average high-temperature of 58.6°F (14.8°C) and a low-temperature of 46.2°F (7.9°C).

What is the average humidity in May in Coos Bay?

The average relative humidity in May in Coos Bay is 82%.

How much does it rain in Coos Bay in May?

In Coos Bay, Oregon, during May, the rain falls for 11.6 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Coos Bay?

In Coos Bay, Oregon, snow does not fall in March through October and December.

How many hours of daylight does Coos Bay have in May?

In May, the average day length in Coos Bay, Oregon, is 14h and 43min.

When is the sunrise / sunset in May in Coos Bay?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:19 pm. On the last day of the month, in Coos Bay, sunrise is at 5:39 am and sunset at 8:50 pm PDT.

How many hours of sunshine does Coos Bay have in May?

The average sunshine duration in May in Coos Bay is 8.8h.

What is the UV index intensity in May in Coos Bay?

In Coos Bay, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents 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
Coos Bay, OR

Average temperature in May - Coos Bay, OR
  • Average high temperature in May: 58.6°F

The warmest month (with the highest average high temperature) is August (66.9°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is August (52.3°F).
The coldest months (with the lowest average low temperature) are February and December (41.7°F).

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Average pressure in May
Coos Bay, OR

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).

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Average wind speed in May
Coos Bay, OR

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

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in May
Coos Bay, OR

Average humidity in May - Coos Bay, OR
  • Average humidity in May: 82%

The months with the highest relative humidity are February and August (84%).
The months with the lowest relative humidity are April and October (81%).

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Average rainfall in May
Coos Bay, OR

Average rainfall in May - Coos Bay, OR
  • Average rainfall in May: 1.69"

The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in May
Coos Bay, OR

Average rainfall days in May - Coos Bay, OR
  • Average rainfall days in May: 11.6 days

The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is August (3.5 days).

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Average snowfall in May
Coos Bay, OR

Average snowfall in May - Coos Bay, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.2").
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
Coos Bay, OR

Average snowfall days in May - Coos Bay, OR
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.3 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
Coos Bay, OR

Average daylight in May / Average sunshine in May - Coos Bay, OR
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).

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Average sunshine days in May
Coos Bay, OR

Average sunshine days in May - Coos Bay, OR
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (9.7 days).

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Average UV index in May
Coos Bay, OR

Average UV index in May - Coos Bay, 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 and December (UV index 2).

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Average cloud cover in May
Coos Bay, OR

Average cloud cover in May - Coos Bay, OR
  • Average cloud cover in May: 44

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and September (Cloud cover 28).

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Average visibility in May
Coos Bay, OR

Average visibility in May - Coos Bay, OR
  • Average visibility in May: 6mi

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

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Coos Bay, Oregon, USA

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