May weather forecast
Forks, WA

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Large rocks near a tall cliff in the section of the iconic Second Beach in Forks, Washington
Large rocks near a tall cliff in the section of the iconic Second Beach in Forks, Washington

Weather in May

With the average high temperature jumping to 58.3°F (14.6°C), May signifies the gradual approach of the warm season. The winds become milder, ushering in a comforting calm over the city. The shy spring sunshine confidently asserts its stay, stretching up to 15.2 hours of daylight. Rainfall reaches its annual low, rendering the verdant landscape a perfect backdrop for picnics and other daytime outings. The pleasant May weather embraces Forks with moderate warmth, interspersed with refreshing drizzles.

Temperature

The arrival of May in Forks signals a slight increase in the average high-temperature, moving from a cool 51.1°F (10.6°C) in April to a refreshing 58.3°F (14.6°C). During the month of May, Forks's nighttime temperature lowers to an average of 43.3°F (6.3°C).

Humidity

May and July, with an average relative humidity of 80%, are the least humid months in Forks.

Rainfall

In Forks, in May, during 7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Forks, during the entire year, the rain falls for 109.2 days and collects up to 10.79" (274mm) of precipitation.

Snowfall

April through December are months without snowfall in Forks.

Daylight

In Forks, the average length of the day in May is 15h and 12min.
On the first day of May, sunrise is at 5:57 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 9:08 pm PDT.

Sunshine

The average sunshine in May in Forks is 8.7h.

UV index

In Forks, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in May suggests the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What are May temperatures in Forks?

In Forks, in May, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 43.3°F (6.3°C).

What is the least humid month in Forks?

The months with the lowest humidity are May and July, with an average relative humidity of 80%.

What is the average humidity in May in Forks?

The average relative humidity in May is 80%.

How much does it rain in Forks in May?

In Forks, during May, the rain falls for 7 days and regularly aggregates up to 0.39" (10mm) of precipitation.

When it does not snow in Forks?

April through December are months without snowfall.

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

In Forks, the average day length in May is 15h and 12min.

What time are sunrise and sunset in May in Forks?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 9:08 pm PDT.

How many hours of sunshine does Forks have in May?

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

How high is the UV index in May in Forks?

The average daily maximum UV index in May in Forks, Washington, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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
Forks, WA

Average temperature in May - Forks, WA
  • Average high temperature in May: 58.3°F

The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in May: 43.3°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (37°F).

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Average pressure in May
Forks, WA

Average pressure in May - Forks, WA
  • Average pressure in May: 30.05"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).

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Average wind speed in May
Forks, WA

Average wind speed in May - Forks, WA
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in May
Forks, WA

Average humidity in May - Forks, WA
  • Average humidity in May: 80%

The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are May and July (80%).

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Average rainfall in May
Forks, WA

Average rainfall in May - Forks, WA
  • Average rainfall in May: 0.39"

The wettest month (with the highest rainfall) is January (2.36").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in May
Forks, WA

Average rainfall days in May - Forks, WA
  • Average rainfall days in May: 7 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (3 days).

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Average snowfall in May
Forks, WA

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

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Forks, WA

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

The month with the highest number of snowfall days is February (2.2 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
Forks, WA

Average daylight in May / Average sunshine in May - Forks, 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 30min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Forks, WA

Average sunshine days in May - Forks, WA
  • Average sunshine days in May: 18.7 days

The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (12.2 days).

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Average UV index in May
Forks, WA

Average UV index in May - Forks, WA
  • Average UV index in May: 3

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).

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Average cloud cover in May
Forks, WA

Average cloud cover in May - Forks, WA
  • Average cloud cover in May: 47

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Forks, WA

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

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

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Forks, Washington, USA

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