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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
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Mill Creek, California, with an average temperature ranging between max 40.5°F (4.7°C) and min 25.2°F (-3.8°C). The arrival of January is marked by an average high-temperature of a still icy 40.5°F (4.7°C), bearing a close resemblance to December. Weather in January »
Weather in February
The last month of the winter, February, is another cold 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 records an average high-temperature of a still icy 40.8°F (4.9°C), indicating a minor variation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Mill Creek, is a frosty month, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 27.5°F (-2.5°C). The advent of March denotes an average high-temperature of a chilly 43.7°F (6.5°C), subtly different from February's 40.8°F (4.9°C). Weather in March »
Weather in April
April in Mill Creek, California, is a cool spring month, with an average temperature varying between 31.5°F (-0.3°C) and 51.6°F (10.9°C). April signals a minor shift in the average high-temperature, moving from March's frosty 43.7°F (6.5°C) to a cool 51.6°F (10.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a mild month in Mill Creek, California, with an average temperature fluctuating between 37.6°F (3.1°C) and 60.3°F (15.7°C). The shift into May brings a slight increase in the average high-temperature, moving from a fresh 51.6°F (10.9°C) in April to a refreshing 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 fluctuating between 71.8°F (22.1°C) and 44.4°F (6.9°C). The transition to June introduces an increase in the average high-temperature, shifting from a mild 60.3°F (15.7°C) in May to an agreeable 71.8°F (22.1°C). Weather in June »
Weather in July
July is a warm summer month in Mill Creek, California, with an average temperature ranging between min 49.5°F (9.7°C) and max 81.3°F (27.4°C). July, characterized by an average high temperature of 81.3°F (27.4°C) and a low temperature of 49.5°F (9.7°C), is generally the warmest month. During July, the heat index is estimated at 80.6°F (27°C). Weather in July »
Weather in August
August, the last month of the summer in Mill Creek, is another warm month, with an average temperature ranging between max 80.2°F (26.8°C) and min 48°F (8.9°C). August begins with an average high-temperature of a still moderately hot 80.2°F (26.8°C), reflecting close similarity to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Mill Creek, California, with an average temperature varying between 44.6°F (7°C) and 73.4°F (23°C). The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, the same as September, in Mill Creek, California, is another refreshing autumn month, with an average temperature fluctuating between 36.5°F (2.5°C) and 60.6°F (15.9°C). During the transition into October, Mill Creek observes a decrease in the average high-temperature, falling from a warm 73.4°F (23°C) in September to a moderate 60.6°F (15.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Mill Creek, California, with an average temperature fluctuating between 29.1°F (-1.6°C) and 47.8°F (8.8°C). Mill Creek's transition into November involves a shift in temperature, receding from a refreshing 60.6°F (15.9°C) in October to a chilly 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 ranging between min 24.1°F (-4.4°C) and max 38.3°F (3.5°C). In Mill Creek, the lowest average temperatures are observed in December, with a high of 38.3°F (3.5°C) and a low of 24.1°F (-4.4°C). Weather in December »
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How many days does it rain?
In Mill Creek, during the entire year, the rain falls for 98.1 days and collects up to 32.99" (838mm) of precipitation.
When does it snow?
Months with snowfall are January through June, September through December.
How many days does it snow?
In Mill Creek, during the entire year, snow falls for 66 days and aggregates up to 127.72" (3244mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 5.1h of sunshine.
What are the months with the lowest UV index?
February and November, with an average maximum UV index of 1, are months with the lowest UV index.
What is the most humid month?
The most humid month is March, with an average relative humidity of 83%.
What is the rainiest month?
March is the month with the most rainfall. Rain falls for 12.2 days and accumulates 5.59" (142mm) of precipitation.
When does it snow the most?
March is the month with the most snowfall. Snow falls for 14 days and accumulates 27.05" (687mm) of snow.
When is Daylight Saving Time (DST)?
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?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What part of the year is the hottest?
In Mill Creek, July is the warmest month, with temperatures averaging a high of 81.3°F (27.4°C) and a low of 49.5°F (9.7°C).
What is the least humid month?
The least humid month is July, with an average relative humidity of 42%.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 4.3 days and typically collects 0.39" (10mm) of precipitation.
When it does not snow?
In Mill Creek, snow does not fall in July and August.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
When is the highest UV index in Mill Creek?
With an average maximum UV index of 6, July is the month with the highest UV index.
What month is the coldest in Mill Creek?
December, known for its average high temperature of 38.3°F (3.5°C) and an average low temperature of 24.1°F (-4.4°C), is the coldest month.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
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).
Average pressure
Mill Creek, CA
- Average pressure in January:
30.18"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Mill Creek, CA
- Average wind speed in January:
6.1mph - Average wind speed in February:
6.4mph - Average wind speed in March:
6.7mph - Average wind speed in April:
6.5mph - Average wind speed in May:
6mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6mph
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).
Average humidity
Mill Creek, CA
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is July (42%).
Average rainfall
Mill Creek, CA
- Average rainfall in January:
4.88" - Average rainfall in February:
5.08" - Average rainfall in March:
5.59" - Average rainfall in April:
2.8" - Average rainfall in May:
2.56" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.43" - Average rainfall in September:
0.67" - Average rainfall in October:
1.57" - Average rainfall in November:
2.87" - Average rainfall in December:
5.2"
The wettest month (with the highest rainfall) is March (5.59").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days
Mill Creek, CA
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
7 days - Average rainfall days in March:
12.2 days - Average rainfall days in April:
13 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
6.7 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
4 days - Average rainfall days in September:
5.5 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
8.9 days
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).
Average snowfall
Mill Creek, CA
- Average snowfall in January:
24.13" - Average snowfall in February:
26.81" - Average snowfall in March:
27.05" - Average snowfall in April:
9.61" - Average snowfall in May:
2.87" - Average snowfall in June:
0.55"
The month with the highest snowfall is March (27.05").
The months with the least snowfall are July and August (0").
Average snowfall days
Mill Creek, CA
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
14 days - Average snowfall days in April:
7.3 days - Average snowfall days in May:
2.3 days - Average snowfall days in June:
0.5 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
1.4 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
12.2 days
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).
Average daylight / Average sunshine
Mill Creek, CA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 3min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 1min
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).
Average sunshine days
Mill Creek, CA
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
14 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
21.2 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
25 days - Average sunshine days in September:
23.1 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
14.6 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (10.9 days).
Average UV index
Mill Creek, CA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover
Mill Creek, CA
The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 7).
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).