May weather forecast
Pacific, WA

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Weather in May

May, the last month of the spring in Pacific, is a refreshing month, with an average temperature fluctuating between 63.1°F (17.3°C) and 42.8°F (6°C).

Temperature

In May, the average high-temperature marginally rises from a fresh 54.9°F (12.7°C) in April to a comfortable 63.1°F (17.3°C). In Pacific, an average nighttime temperature of 42.8°F (6°C) is expected during May.

Humidity

In Pacific, the average relative humidity in May is 76%.

Rainfall

In Pacific, during May, the rain falls for 13.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Pacific, during the entire year, the rain falls for 162.5 days and collects up to 17.87" (454mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Pacific, Washington, the average length of the day in May is 15h and 7min.
On the first day of May, sunrise is at 5:51 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:56 pm PDT.

Sunshine

In Pacific, Washington, the average sunshine in May is 9.1h.

UV index

In Pacific, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 4 during May leads to these advisories:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Pacific?

In May, in Pacific, the average high-temperature is 63.1°F (17.3°C), and the average low-temperature is 42.8°F (6°C).

What is the average humidity in May in Pacific?

In May, the average relative humidity in Pacific is 76%.

How much does it rain in Pacific in May?

In Pacific, Washington, in May, it is raining for 13.1 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Pacific?

In Pacific, snow does not fall in May through October.

Does it snow in Pacific in May?

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

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

In May, the average day length is 15h and 7min.

What time are sunrise and sunset in May in Pacific?

In May, on the first day of the month, sunrise is at 5:51 am and sunset at 8:20 pm. On the last day of the month, in Pacific, Washington, sunrise is at 5:16 am and sunset at 8:56 pm PDT.

How long on average sun shines in May in Pacific?

In May, the average sunshine duration in Pacific is 9.1h.

What is the UV index intensity in May in Pacific?

In Pacific, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Pacific, WA

Average temperature in May - Pacific, WA
  • Average high temperature in May: 63.1°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in May: 42.8°F

The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).

Average pressure in May
Pacific, WA

Average pressure in May - Pacific, WA
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in May
Pacific, WA

Average wind speed in May - Pacific, WA
  • Average wind speed in May: 3.9mph

The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

Average humidity in May
Pacific, WA

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

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (69%).

Average rainfall in May
Pacific, WA

Average rainfall in May - Pacific, WA
  • Average rainfall in May: 1.1"

The wettest month (with the highest rainfall) is January (2.6").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in May
Pacific, WA

Average rainfall days in May - Pacific, WA
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in May
Pacific, WA

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

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Pacific, WA

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

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Pacific, WA

Average daylight in May / Average sunshine in May - Pacific, 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 36min).

  • Average sunshine in May: 9h and 1min

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 18min).

Average sunshine days in May
Pacific, WA

Average sunshine days in May - Pacific, WA
  • Average sunshine days in May: 15.6 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in May
Pacific, WA

Average UV index in May - Pacific, WA
  • 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 January, February, November and December (UV index 2).

Average cloud cover in May
Pacific, WA

Average cloud cover in May - Pacific, WA
  • Average cloud cover in May: 44

The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in May
Pacific, WA

Average visibility in May - Pacific, WA
  • Average visibility in May: 5mi

The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is December (4mi).

Pacific, Washington, USA

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