May weather forecast
Port Angeles, WA

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The sky is dense with gray clouds, but the rising sun
The sky is dense with gray clouds, but the rising sun's rays seep through and fall on the high pier on the water in Port Angeles, Washington

Weather in May

May in Port Angeles enjoys a nice balance of climatic forces. The weather gets considerably drier and sunnier, setting a bright and cheerful atmosphere. This month witnesses an increase in sea temperature along with a lengthening of daylight hours. Steady winds contribute to the overall pleasant weather conditions. All these factors make May a great time for outdoor activities.

Temperature

May's arrival in Port Angeles sees a mild rise in the average high-temperature, transitioning from April's chilly 48°F (8.9°C) to a moderate 56.5°F (13.6°C). Throughout May, a steady low-temperature average of 41.9°F (5.5°C) is noted.

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Port Angeles, in May, during 15.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Port Angeles, during the entire year, the rain falls for 196.3 days and collects up to 39.13" (994mm) of precipitation.

Snowfall

In Port Angeles, snow does not fall in April through October.

Ocean temperature

In May, the average ocean temperature is 46.9°F (8.3°C).
Note: Dipping in 46.9°F (8.3°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

In May, the average length of the day is 15h and 13min.
On the first day of May, sunrise is at 5:53 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 9:05 pm PDT.

Sunshine

In Port Angeles, the average sunshine in May is 9.2h.

UV index

In May, the average daily maximum UV index in Port Angeles is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 3 during May morphs into the following directions:
Act with care - The need to guard against sun damage is communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What are the temperatures in Port Angeles in May?

May temperatures in Port Angeles, Washington, vary between a high-temperature of 56.5°F (13.6°C) and a low-temperature of 41.9°F (5.5°C).

What is the average humidity in May in Port Angeles?

The average relative humidity in May in Port Angeles, Washington, is 79%.

How much does it rain in Port Angeles in May?

In Port Angeles, Washington, during May, the rain falls for 15.6 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Port Angeles?

In Port Angeles, snow does not fall in April through October.

How cold is the water in May in Port Angeles?

In Port Angeles, Washington, in May, the average water temperature is 46.9°F (8.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Port Angeles have in May?

The average day length in May is 15h and 13min.

When is the sunrise / sunset in May in Port Angeles?

On the first day of May in Port Angeles, Washington, sunrise is at 5:53 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 9:05 pm PDT.

How many hours of sunshine does Port Angeles have in May?

The average sunshine duration in May is 9.2h.

What is the UV index intensity in May in Port Angeles?

The average daily maximum UV index in May in Port Angeles is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
48°F 8.9°C
56.5°F 13.6°C
60.3°F 15.7°C
Average low temperature
36.5°F 2.5°C
41.9°F 5.5°C
45.3°F 7.4°C
Average pressure
30.05" 763mmHg
30.04" 763mmHg
30.05" 763mmHg
Average wind speed
4.8mph 7.7km/h
4.3mph 6.9km/h
4.7mph 7.6km/h
Average max. wind speed
5.5mph 8.9km/h
4.8mph 7.7km/h
5.3mph 8.5km/h
Average wind speed gusts
7.3mph 11.7km/h
6.6mph 10.6km/h
7.2mph 11.6km/h
Average humidity
83%
79%
79%
Average rainfall
2.68" 68mm
2.4" 61mm
1.81" 46mm
Average rainfall days
20.5
15.6
14.5
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0.3
0
0
Average sea temperature
45.8°F 7.7°C
46.9°F 8.3°C
47.7°F 8.7°C
Average daylight
13h 4min
15h 1min
16h 0min
Average sunshine
7h 5min
9h 1min
9h 4min
Average sunshine days
7.8
14.1
12.6
Average UV index
3
3
4
Average cloud cover
50%
41%
39%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in May
Port Angeles, WA

Average temperature in May - Port Angeles, WA
  • Average high temperature in May: 56.5°F

The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is December (39.2°F).

  • Average low temperature in May: 41.9°F

The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).

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Average pressure in May
Port Angeles, WA

Average pressure in May - Port Angeles, WA
  • Average pressure in May: 30.04"Hg

The months with the highest atmospheric pressure are January and July (30.06"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

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Average wind speed in May
Port Angeles, WA

Average wind speed in May - Port Angeles, WA
  • Average wind speed in May: 4.3mph

The windiest month (with the highest average wind speed) is November (5.2mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).

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Average humidity in May
Port Angeles, WA

Average humidity in May - Port Angeles, WA
  • Average humidity in May: 79%

The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in May
Port Angeles, WA

Average rainfall in May - Port Angeles, WA
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is January (6.54").
The driest month (with the least rainfall) is July (0.71").

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Average rainfall days in May
Port Angeles, WA

Average rainfall days in May - Port Angeles, WA
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is August (7.3 days).

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Average snowfall in May
Port Angeles, WA

Average snowfall in May - Port Angeles, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Port Angeles, WA

Average snowfall days in May - Port Angeles, WA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in May
Port Angeles, WA

Average sea temperature in May - Port Angeles, WA
  • Average sea temperature in May: 46.9°F

The best month for swimming (with the highest average sea temperature) is September (52.7°F).
The coldest month (with the lowest average sea temperature) is February (45.2°F).

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Average daylight in May /
Average sunshine in May
Port Angeles, WA

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in May: 9h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in May
Port Angeles, WA

Average sunshine days in May - Port Angeles, WA
  • Average sunshine days in May: 14.1 days

The month with the most sunshine days is August (20.5 days).
The month with the least sunshine days is March (6.3 days).

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Average UV index in May
Port Angeles, WA

Average UV index in May - Port Angeles, WA
  • Average UV index in May: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Port Angeles, WA

Average cloud cover in May - Port Angeles, WA
  • Average cloud cover in May: 41

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in May
Port Angeles, WA

Average visibility in May - Port Angeles, WA
  • Average visibility in May: 6mi

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

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Port Angeles, Washington, USA

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