May weather forecast
Keyport, WA

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Weather in May

The last month of the spring, May, is an enjoyable month in Keyport, Washington, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 63°F (17.2°C).

Temperature

With the onset of May, the average high-temperature subtly transitions from a fresh 55.2°F (12.9°C) in April to a comfortable 63°F (17.2°C). Keyport experiences a mean temperature of 46.4°F (8°C) during May nights.

Humidity

The average relative humidity in May is 76%.

Rainfall

In Keyport, Washington, during May, the rain falls for 14.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Keyport, during the entire year, the rain falls for 179.1 days and collects up to 24.57" (624mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Keyport, the average length of the day in May is 15h and 10min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:23 pm. On the last day of May, in Keyport, sunrise is at 5:16 am and sunset at 9:00 pm PDT.

Sunshine

In May, the average sunshine is 9.6h.

UV index

In Keyport, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 4 during May translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the usual temperature for Keyport in May?

An average high-temperature, in May, in Keyport, is 63°F (17.2°C) and the average low-temperature is 46.4°F (8°C).

What is the average humidity in May in Keyport?

In May, the average relative humidity is 76%.

How much does it rain in Keyport in May?

In Keyport, Washington, during May, the rain falls for 14.5 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Keyport?

May through October are months without snowfall in Keyport, Washington.

Does it snow in Keyport in May?

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

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

The average day length in May in Keyport is 15h and 10min.

When is the sunrise / sunset in May in Keyport?

In May, on the first day of the month, sunrise is at 5:51 am and sunset at 8:23 pm. On the last day of the month, in Keyport, sunrise is at 5:16 am and sunset at 9:00 pm PDT.

How long on average sun shines in May in Keyport?

In May, the average sunshine duration in Keyport is 9.6h.

How high is the UV index in May in Keyport?

The average daily maximum UV index in May in Keyport, Washington, is 4. 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
Keyport, WA

Average temperature in May - Keyport, WA
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in May: 46.4°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).

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Average pressure in May
Keyport, WA

Average pressure in May - Keyport, WA
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in May
Keyport, WA

Average wind speed in May - Keyport, WA
  • Average wind speed in May: 4.1mph

The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

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Average humidity in May
Keyport, WA

Average humidity in May - Keyport, WA
  • Average humidity in May: 76%

The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in May
Keyport, WA

Average rainfall in May - Keyport, WA
  • Average rainfall in May: 1.73"

The wettest month (with the highest rainfall) is January (3.74").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days in May
Keyport, WA

Average rainfall days in May - Keyport, WA
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.3 days).

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Average snowfall in May
Keyport, WA

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

The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Keyport, WA

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

The month with the highest number of snowfall days is February (2.8 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
Keyport, WA

Average daylight in May / Average sunshine in May - Keyport, WA
  • Average daylight in May: 15h and 1min

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

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Keyport, WA

Average sunshine days in May - Keyport, WA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.8 days).

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Average UV index in May
Keyport, WA

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

The months with the highest UV index are June and July (UV index 5).
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
Keyport, WA

Average cloud cover in May - Keyport, WA
  • Average cloud cover in May: 38

The months with the most cloud cover are January and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in May
Keyport, WA

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

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

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Keyport, Washington, USA

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