May weather forecast
Clear Lake, WA

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Weather in May

The last month of the spring, May, is a moderate month in Clear Lake, Washington, with an average temperature ranging between max 60.6°F (15.9°C) and min 42.8°F (6°C).

Temperature

As Clear Lake welcomes May, the average high-temperature displays a subtle shift, adjusting from a fresh 52°F (11.1°C) in April to a moderate 60.6°F (15.9°C). During May, Clear Lake experiences an average low-temperature of 42.8°F (6°C) at night.

Humidity

In May, the average relative humidity is 79%.

Rainfall

In May, the rain falls for 16.1 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. In Clear Lake, during the entire year, the rain falls for 203.2 days and collects up to 49.72" (1263mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Clear Lake, the average length of the day in May is 15h and 16min.
On the first day of May, sunrise is at 5:47 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:01 pm PDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 3 transforms into these recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

In Clear Lake, in May, the average high-temperature is 60.6°F (15.9°C), and the average low-temperature is 42.8°F (6°C).

What is the average humidity in May?

In Clear Lake, the average relative humidity in May is 79%.

How much does it rain in Clear Lake in May?

In Clear Lake, during May, the rain falls for 16.1 days and regularly aggregates up to 2.91" (74mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

What is the average length of the day in May?

In Clear Lake, the average day length in May is 15h and 16min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:01 pm PDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.6h.

How high is the UV index in May?

In Clear Lake, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Clear Lake, WA

Average temperature in May - Clear Lake, WA
  • Average high temperature in May: 60.6°F

The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (40.5°F).

  • Average low temperature in May: 42.8°F

The month with the highest average low temperature is August (50.5°F).
The coldest months (with the lowest average low temperature) are February and December (32.5°F).

Average pressure in May
Clear Lake, WA

Average pressure in May - Clear Lake, WA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in May
Clear Lake, WA

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

The windiest month (with the highest average wind speed) is November (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

Average humidity in May
Clear Lake, WA

Average humidity in May - Clear Lake, WA
  • Average humidity in May: 79%

The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is July (75%).

Average rainfall in May
Clear Lake, WA

Average rainfall in May - Clear Lake, WA
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is July (0.98").

Average rainfall days in May
Clear Lake, WA

Average rainfall days in May - Clear Lake, WA
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is August (9.4 days).

Average snowfall in May
Clear Lake, WA

Average snowfall in May - Clear Lake, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Clear Lake, WA

Average snowfall days in May - Clear Lake, WA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.3 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
Clear Lake, WA

Average daylight in May / Average sunshine in May - Clear Lake, WA
  • Average daylight in May: 15h and 2min

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: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in May
Clear Lake, WA

Average sunshine days in May - Clear Lake, WA
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (7.3 days).

Average UV index in May
Clear Lake, WA

Average UV index in May - Clear Lake, 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, March, October, November and December (UV index 2).

Average cloud cover in May
Clear Lake, WA

Average cloud cover in May - Clear Lake, WA
  • Average cloud cover in May: 46

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in May
Clear Lake, WA

Average visibility in May - Clear Lake, WA
  • Average visibility in May: 5mi

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

Clear Lake, Washington, USA

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