Climate and monthly weather forecast
Mill Creek, CA

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Weather in January

January, the same as December, is an icy winter month in Mill Creek, California, with an average temperature fluctuating between 25.2°F (-3.8°C) and 40.5°F (4.7°C). January's advent notes a subtle adjustment in average high-temperature to a still icy 40.5°F (4.7°C) from December. Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Mill Creek, California, with an average temperature varying between 25.2°F (-3.8°C) and 40.8°F (4.9°C). February's commencement is accompanied by an average high-temperature of a still wintry 40.8°F (4.9°C), diverging marginally from January's 40.5°F (4.7°C). Weather in February »

Weather in March

March, the first month of the spring in Mill Creek, is a frosty month, with an average temperature fluctuating between 43.7°F (6.5°C) and 27.5°F (-2.5°C). With the arrival of March, Mill Creek's average high-temperature registers at a frosty 43.7°F (6.5°C), indicating a subtle variation from the previous month. Weather in March »

Weather in April

April in Mill Creek, California, is a cool spring month, with an average temperature fluctuating between 51.6°F (10.9°C) and 31.5°F (-0.3°C). The start of April is characterized by a subtle increase in the average high-temperature, transitioning from a frosty 43.7°F (6.5°C) in March to a fresh 51.6°F (10.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Mill Creek, California, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 60.3°F (15.7°C). Observing a minor shift, the average high-temperature during May adjusts from April's cool 51.6°F (10.9°C) to a moderate 60.3°F (15.7°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Mill Creek, California, with an average temperature varying between 44.4°F (6.9°C) and 71.8°F (22.1°C). The shift into June is accompanied by a temperature increase, with the average high-temperature rising from a moderate 60.3°F (15.7°C) in May to a pleasant 71.8°F (22.1°C). Weather in June »

Weather in July

July in Mill Creek, California, is a moderately hot summer month, with an average temperature varying between 81.3°F (27.4°C) and 49.5°F (9.7°C). In Mill Creek, the average temperatures in July are the highest, with a peak at 81.3°F (27.4°C) and a low of 49.5°F (9.7°C). The heat index for July is computed to be 80.6°F (27°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Mill Creek, California, with an average temperature varying between 48°F (8.9°C) and 80.2°F (26.8°C). Stepping into August, Mill Creek records an average high-temperature of a still warm 80.2°F (26.8°C), almost consistent with July. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mill Creek, California, with an average temperature ranging between min 44.6°F (7°C) and max 73.4°F (23°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from 80.2°F (26.8°C) in August to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Mill Creek, California, with an average temperature varying between 60.6°F (15.9°C) and 36.5°F (2.5°C). In Mill Creek, the average high-temperature in October decreases from a moderately hot 73.4°F (23°C) in September to a refreshing 60.6°F (15.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Mill Creek, California, with an average temperature fluctuating between 47.8°F (8.8°C) and 29.1°F (-1.6°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a moderate 60.6°F (15.9°C) in October to a frosty 47.8°F (8.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Mill Creek, California, with an average temperature fluctuating between 24.1°F (-4.4°C) and 38.3°F (3.5°C). With average high and low temperatures of 38.3°F (3.5°C) and 24.1°F (-4.4°C) respectively, December is Mill Creek's coldest month. Weather in December »
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Frequently asked questions

How much does it rain in Mill Creek?

In Mill Creek, California, during the entire year, the rain falls for 98.1 days and collects up to 32.99" (838mm) of precipitation.

When does it snow in Mill Creek?

January through June, September through December are months with snowfall.

How much does it snow in Mill Creek?

Throughout the year, in Mill Creek, California, there are 66 snowfall days, and 127.72" (3244mm) of snow is accumulated.

What is the month with the least sunshine in Mill Creek?

With an average of 5.1h of sunshine, January has the least sunshine of the year in Mill Creek.

When is the lowest UV index in Mill Creek?

The months with the lowest UV index are February and November, with an average maximum UV index of 1.

What is the most humid month in Mill Creek?

The most humid month in Mill Creek is March, with an average relative humidity of 83%.

What is the rainiest month in Mill Creek?

March is the month with the most rainfall in Mill Creek, California. Rain falls for 12.2 days and accumulates 5.59" (142mm) of precipitation.

When does it snow the most in Mill Creek?

The month with the most snowfall is March, when snow falls for 14 days and typically aggregates up to 27.05" (687mm) of snow.

When is Daylight Saving Time (DST) in Mill Creek?

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.

When are the longest days in Mill Creek?

The month with the longest days in Mill Creek, California, is June, with an average of 15h and 0min of daylight.

What month is the hottest in Mill Creek?

July stands out as Mill Creek's warmest month, with temperatures ranging between an average high of 81.3°F (27.4°C) and a low of 49.5°F (9.7°C).

What is the least humid month in Mill Creek?

With an average relative humidity of 42%, July is the least humid month.

What is the driest month in Mill Creek?

July is the month with the least rainfall in Mill Creek. Rain falls for 4.3 days and accumulates 0.39" (10mm) of precipitation.

When it does not snow in Mill Creek?

July and August are months without snowfall in Mill Creek, California.

What month has the most sunshine in Mill Creek?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

When is the highest UV index in Mill Creek?

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

What is the coldest month in Mill Creek?

In Mill Creek, December records the average lowest temperatures, peaking at 38.3°F (3.5°C) and reaching a low of 24.1°F (-4.4°C).

What is the month with the shortest days in Mill Creek?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Mill Creek.

Average temperature
Mill Creek, CA

Average temperature - Mill Creek, CA

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (38.3°F).

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure
Mill Creek, CA

Average pressure - Mill Creek, CA

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Mill Creek, CA

Average wind speed - Mill Creek, CA

The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average rainfall
Mill Creek, CA

Average rainfall - Mill Creek, CA

The wettest month (with the highest rainfall) is March (5.59").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days
Mill Creek, CA

Average rainfall days - Mill Creek, CA

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (4 days).

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Average snowfall
Mill Creek, CA

Average snowfall - Mill Creek, CA

The month with the highest snowfall is March (27.05").
The months with the least snowfall are July and August (0").

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Average snowfall days
Mill Creek, CA

Average snowfall days - Mill Creek, CA

The month with the highest number of snowfall days is March (14 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Mill Creek, CA

Average daylight / Average sunshine - Mill Creek, CA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days
Mill Creek, CA

Average sunshine days - Mill Creek, CA

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (10.9 days).

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Average visibility
Mill Creek, CA

Average visibility - Mill Creek, CA

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Mill Creek, California, USA

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