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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Mill Creek, Washington, is a frosty winter month, with an average temperature ranging between min 36.7°F (2.6°C) and max 45°F (7.2°C). The initiation of January records an average high-temperature of a chilly 45°F (7.2°C), displaying a near consistency with the previous month. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Mill Creek, Washington, with an average temperature fluctuating between 45.5°F (7.5°C) and 36°F (2.2°C). Mill Creek's entry into February measures an average high-temperature of a still chilly 45.5°F (7.5°C), closely parallel to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a chilly month in Mill Creek, Washington, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 49.5°F (9.7°C). March's average high-temperature stands at a still frosty 49.5°F (9.7°C), showing little deviation from February's 45.5°F (7.5°C). Weather in March »
Weather in April
April is a fresh spring month in Mill Creek, Washington, with an average temperature ranging between max 54.9°F (12.7°C) and min 41.2°F (5.1°C). The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a frosty 49.5°F (9.7°C) to a cool 54.9°F (12.7°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Mill Creek, Washington, with an average temperature ranging between min 45.3°F (7.4°C) and max 62.6°F (17°C). As Mill Creek, Washington, transitions into May, the average high-temperature is observed to slightly rise from a cool 54.9°F (12.7°C) in April to a comfortable 62.6°F (17°C). Weather in May »
Weather in June
The first month of the summer, June, is still a refreshing month in Mill Creek, Washington, with an average temperature varying between 66.7°F (19.3°C) and 49.1°F (9.5°C). The average high-temperature during June is a still enjoyable 66.7°F (19.3°C), almost matching the conditions of the preceding month. Weather in June »
Weather in July
July in Mill Creek, Washington, is a pleasant summer month, with an average temperature ranging between max 72.1°F (22.3°C) and min 52.5°F (11.4°C). The arrival of July introduces a minor uplift in high-temperatures, adjusting from a refreshing 66.7°F (19.3°C) in June to an agreeable 72.1°F (22.3°C). Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Mill Creek, Washington, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 72.7°F (22.6°C). Mill Creek experiences its highest average temperatures in August, reaching a peak of 72.7°F (22.6°C) and a minimum of 54°F (12.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a comfortable month in Mill Creek, Washington, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 51.4°F (10.8°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from a pleasant 72.7°F (22.6°C) in August to a refreshing 67.1°F (19.5°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Mill Creek, Washington, with temperature in the range of an average high of 57.6°F (14.2°C) and an average low of 45.9°F (7.7°C). With October's arrival, Mill Creek's weather changes as the average high-temperature falls from a comfortable 67.1°F (19.5°C) in September to a moderate 57.6°F (14.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Mill Creek, is also a frosty month, with an average temperature ranging between max 48°F (8.9°C) and min 40.1°F (4.5°C). During the transition into November, Mill Creek observes a decrease in the average high-temperature, falling from a mild 57.6°F (14.2°C) in October to a chilly 48°F (8.9°C). Weather in November »
Weather in December
December, the first month of the winter in Mill Creek, is still a cold month, with an average temperature fluctuating between 35.4°F (1.9°C) and 42.6°F (5.9°C). Mill Creek notes the coldest temperatures in December, with a high average of 42.6°F (5.9°C) and a low of 35.4°F (1.9°C). Weather in December »
[Resources]Frequently asked questions
How much does it rain in Mill Creek?
Throughout the year, there are 173.1 rainfall days, and 26.02" (661mm) of precipitation is accumulated.
When does it snow in Mill Creek?
January through April, November and December are months with snowfall in Mill Creek.
How many days does it snow in Mill Creek?
Throughout the year, there are 16.3 snowfall days, and 10.08" (256mm) of snow is accumulated.
What is the month with the least sunshine in Mill Creek?
January has the least sunshine of the year in Mill Creek, with an average of 4.4h of sunshine.
What is the month with the lowest UV index in Mill Creek?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mill Creek.
What are the most humid months in Mill Creek?
February and December, with an average relative humidity of 84%, are most humid months in Mill Creek, Washington.
What is the snowiest month in Mill Creek?
The month with the most snowfall is February, when snow falls for 5.2 days and typically aggregates up to 4.61" (117mm) of snow.
When is Daylight Saving Time (DST) in Mill Creek?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mill Creek, 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 it does not snow in Mill Creek?
In Mill Creek, snow does not fall in May through October.
When are the longest days in Mill Creek?
The month with the longest days in Mill Creek, Washington, is June, with an average of 16h and 0min of daylight.
What is the least humid month in Mill Creek?
The least humid month in Mill Creek, Washington, is July, with an average relative humidity of 72%.
What is the driest month in Mill Creek?
July is the month with the least rainfall. Rain falls for 7.7 days and accumulates 0.43" (11mm) of precipitation.
When is the highest UV index in Mill Creek?
July is the month with the highest UV index in Mill Creek, Washington, with an average maximum UV index of 5.
What part of the year is the hottest in Mill Creek?
August is Mill Creek's warmest month, registering average high temperatures of 72.7°F (22.6°C) and lows of 54°F (12.2°C).
What month has the most sunshine in Mill Creek?
With an average of 10.7h of sunshine, August has the most sunshine of the year in Mill Creek.
What are the coldest months in Mill Creek?
Mill Creek, Washington, records the coldest temperatures in December, averaging a high of 42.6°F (5.9°C) and a low of 35.4°F (1.9°C).
What is the rainiest month in Mill Creek?
December is the month with the most rainfall in Mill Creek, Washington. Rain falls for 18.1 days and accumulates 3.54" (90mm) of precipitation.
What is the month with the shortest days in Mill Creek?
With an average of 8h and 30min of daylight, December has the shortest days of the year.
Average temperature
Mill Creek, WA
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).
Average pressure
Mill Creek, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed
Mill Creek, WA
- Average wind speed in January:
6mph - Average wind speed in February:
5.5mph - Average wind speed in March:
6mph - Average wind speed in April:
5.2mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.6mph - Average wind speed in September:
4.2mph - Average wind speed in October:
5mph - Average wind speed in November:
6.2mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity
Mill Creek, WA
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Mill Creek, WA
- Average rainfall in January:
3.43" - Average rainfall in February:
2.8" - Average rainfall in March:
2.76" - Average rainfall in April:
2.13" - Average rainfall in May:
1.61" - Average rainfall in June:
1.18"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.47" - Average rainfall in September:
1.5" - Average rainfall in October:
2.72" - Average rainfall in November:
3.46" - Average rainfall in December:
3.54"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Mill Creek, WA
- Average rainfall days in January:
18 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
7.7 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
18.1 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall
Mill Creek, WA
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Mill Creek, WA
- Average snowfall days in January:
2.7 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Mill Creek, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 3min
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 January:
4h and 2min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
4h and 4min - Average sunshine in December:
4h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Mill Creek, WA
- Average sunshine days in January:
10.6 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
21.8 days - Average sunshine days in August:
22.6 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
10.7 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).
Average UV index
Mill Creek, WA
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).
Average cloud cover
Mill Creek, WA
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Mill Creek, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Mill Creek, Washington, USA
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