Climate and monthly weather forecast
Inchelium, WA

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Weather in January

January, the same as December, in Inchelium, Washington, is another subzero cold winter month, with an average temperature ranging between min 18.5°F (-7.5°C) and max 30.6°F (-0.8°C). January's weather displays an average high-temperature of a still freezing cold 30.6°F (-0.8°C), slightly varied from December's 29.7°F (-1.3°C). Weather in January »

Weather in February

February, the last month of the winter in Inchelium, is a wintry month, with an average temperature varying between 33.4°F (0.8°C) and 18.3°F (-7.6°C). Inchelium experiences a minor change to a wintry 33.4°F (0.8°C) in average high-temperature during February, closely reflecting January. Weather in February »

Weather in March

March, the first month of the spring in Inchelium, is still a cold month, with an average temperature varying between 42.3°F (5.7°C) and 26.4°F (-3.1°C). Inchelium's transition into March sees a mild rise in the average high-temperature, edging from an icy 33.4°F (0.8°C) in February to a still cold 42.3°F (5.7°C). Weather in March »

Weather in April

April in Inchelium, Washington, is a cool spring month, with an average temperature varying between 31.5°F (-0.3°C) and 53.2°F (11.8°C). Inchelium, Washington, sees an increase in average high-temperatures during April, moving from a wintry 42.3°F (5.7°C) in March to a cool 53.2°F (11.8°C). Weather in April »

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). 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). Weather in May »

Weather in June

June, the first month of the summer in Inchelium, is a pleasant month, with an average temperature varying between 44.2°F (6.8°C) and 71.1°F (21.7°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from a refreshing 65.1°F (18.4°C) in May to a pleasant 71.1°F (21.7°C). Weather in June »

Weather in July

July in Inchelium, Washington, is a moderately hot summer month, with an average temperature varying between 50.7°F (10.4°C) and 82.4°F (28°C). As June transitions into July, Inchelium sees a rise in the average high-temperature, moving from a pleasant 71.1°F (21.7°C) to a moderately hot 82.4°F (28°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Inchelium, Washington, with an average temperature fluctuating between 82.8°F (28.2°C) and 52.3°F (11.3°C). August, with average temperatures reaching a high of 82.8°F (28.2°C) and a low of 52.3°F (11.3°C), is the warmest month. August's heat index is computed to be 82.4°F (28°C). Weather in August »

Weather in September

September, the first month of the autumn in Inchelium, is still a pleasant month, with an average temperature varying between 44.6°F (7°C) and 70.7°F (21.5°C). In Inchelium, the average high-temperature in September decreases from a warm 82.8°F (28.2°C) in August to an agreeable 70.7°F (21.5°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Inchelium, Washington, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 35.4°F (1.9°C). October indicates a noticeable reduction in the average high-temperature, moving down from a pleasant 70.7°F (21.5°C) in September to a cool 54.1°F (12.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Inchelium, is another cold month, with an average temperature ranging between max 39°F (3.9°C) and min 26.8°F (-2.9°C). November's arrival is marked by a notable drop in high-temperatures, falling from a fresh 54.1°F (12.3°C) in October to an icy 39°F (3.9°C). Weather in November »

Weather in December

December, the first month of the winter in Inchelium, is still a freezing cold month, with an average temperature ranging between min 18.3°F (-7.6°C) and max 29.7°F (-1.3°C). December is the coldest month, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.3°F (-7.6°C). Weather in December »

Frequently asked questions

What is the most humid month in Inchelium?

January is the most humid month in Inchelium, with an average relative humidity of 94%.

How many days does it rain in Inchelium?

In Inchelium, during the entire year, the rain falls for 86.5 days and collects up to 6.42" (163mm) of precipitation.

When does it snow in Inchelium?

January through April, September, November and December are months with snowfall in Inchelium.

What is the snowiest month in Inchelium?

The month with the most snowfall is January, when snow falls for 5.3 days and typically aggregates up to 1.42" (36mm) of snow.

How much does it snow in Inchelium?

Throughout the year, there are 24.6 snowfall days, and 6.38" (162mm) of snow is accumulated.

What is the month with the least sunshine in Inchelium?

The month with the least sunshine in Inchelium, Washington, is January, with an average of 3.7h of sunshine.

When is the lowest UV index in Inchelium?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Inchelium, Washington.

When is Daylight Saving Time (DST) in Inchelium?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

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.

When it does not snow in Inchelium?

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

When are the longest days in Inchelium?

The month with the longest days in Inchelium, Washington, is June, with an average of 16h and 0min of daylight.

When is the highest UV index in Inchelium?

The month with the highest UV index is July, with an average maximum UV index of 6.

What part of the year is the hottest in Inchelium?

August, having an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 52.3°F (11.3°C), is the warmest month in Inchelium.

What is the least humid month in Inchelium?

With an average relative humidity of 47%, August is the least humid month.

What is the driest month in Inchelium?

August is the month with the least rainfall in Inchelium. Rain falls for 5.3 days and accumulates 0.31" (8mm) of precipitation.

What month has the most sunshine in Inchelium?

The month with the most sunshine in Inchelium is August, with an average of 12.1h of sunshine.

What part of the year is the coldest in Inchelium?

Inchelium, Washington, experiences its average lowest temperatures in December, reaching a peak of 29.7°F (-1.3°C) and a minimum of 18.3°F (-7.6°C).

What is the month with the shortest days in Inchelium?

December has the shortest days of the year, with an average of 8h and 24min of daylight.

Average temperature
Inchelium, WA

Average temperature - Inchelium, WA

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).

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
Inchelium, WA

Average pressure - Inchelium, WA

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
Inchelium, WA

Average wind speed - Inchelium, WA

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
Inchelium, WA

Average humidity - Inchelium, WA

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

Average rainfall
Inchelium, WA

Average rainfall - Inchelium, WA

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
Inchelium, WA

Average rainfall days - Inchelium, WA

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
Inchelium, WA

Average snowfall - Inchelium, WA

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
Inchelium, WA

Average snowfall days - Inchelium, WA

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 / Average sunshine
Inchelium, WA

Average daylight / Average sunshine - Inchelium, WA

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).

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
Inchelium, WA

Average sunshine days - Inchelium, WA

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
Inchelium, WA

Average UV index - Inchelium, WA

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 visibility
Inchelium, WA

Average visibility - Inchelium, WA

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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