May weather forecast
Inchelium, WA

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Weather in May

May, the last month of the spring in Inchelium, is an enjoyable month, with an average temperature fluctuating between 65.1°F (18.4°C) and 39.4°F (4.1°C).

Temperature

In Inchelium, stepping into May brings a temperature increase, moving up from April's cool 53.2°F (11.8°C) to an enjoyable 65.1°F (18.4°C). Inchelium observes a dramatic plunge from daytime highs in May, settling at an average low-temperature of 39.4°F (4.1°C).

Humidity

In Inchelium, the average relative humidity in May is 63%.

Rainfall

The month with the most rainfall in Inchelium is May, when the rain falls for 11.3 days and typically aggregates up to 1.06" (27mm) of precipitation.

Snowfall

May through August and October are months without snowfall.

Daylight

In Inchelium, the average length of the day in May is 15h and 14min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:07 pm. On the last day of May, sunrise is at 4:56 am and sunset at 8:45 pm PDT.

Sunshine

In May, the average sunshine is 10.6h.

UV index

In May, the average daily maximum UV index in Inchelium is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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 Inchelium?

In May, in Inchelium, the average high-temperature is 65.1°F (18.4°C), and the average low-temperature is 39.4°F (4.1°C).

What is the average humidity in May in Inchelium?

The average relative humidity in May is 63%.

What is the rainiest month in Inchelium?

May is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.06" (27mm) of precipitation.

How much does it rain in Inchelium in May?

In Inchelium, Washington, in May, it is raining for 11.3 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Inchelium?

May through August and October are months without snowfall in Inchelium, Washington.

Does it snow in Inchelium in May?

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

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

In Inchelium, the average day length in May is 15h and 14min.

When is the sunrise / sunset in May in Inchelium?

In May, on the first day of the month, sunrise is at 5:32 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:45 pm PDT.

How many hours of sunshine does Inchelium have in May?

In May, the average sunshine duration in Inchelium, Washington, is 10.6h.

How high is the UV index in May in Inchelium?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Inchelium, WA

Average temperature in May - Inchelium, WA
  • Average high temperature in May: 65.1°F

The warmest month (with the highest average high temperature) is August (82.8°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in May: 39.4°F

The month with the highest average low temperature is August (52.3°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).

Average pressure in May
Inchelium, WA

Average pressure in May - Inchelium, WA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in May
Inchelium, WA

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

The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are January and December (3.4mph).

Average humidity in May
Inchelium, WA

Average humidity in May - Inchelium, WA
  • Average humidity in May: 63%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (47%).

Average rainfall in May
Inchelium, WA

Average rainfall in May - Inchelium, WA
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in May
Inchelium, WA

Average rainfall days in May - Inchelium, WA
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is September (4.9 days).

Average snowfall in May
Inchelium, WA

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

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in May
Inchelium, WA

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

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Inchelium, 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: 10h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
Inchelium, WA

Average sunshine days in May - Inchelium, WA
  • Average sunshine days in May: 17.8 days

The month with the most sunshine days is September (23.8 days).
The month with the least sunshine days is June (17.3 days).

Average UV index in May
Inchelium, WA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in May
Inchelium, WA

Average cloud cover in May - Inchelium, WA
  • Average cloud cover in May: 32

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in May
Inchelium, WA

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

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (2mi).

Inchelium, Washington, USA

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