Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
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. Throughout January, the temperature falls to an average low of 25.2°F (-3.8°C).Humidity
The average relative humidity in January is 81%.Rainfall
In January, the rain falls for 7.9 days. Throughout January, 4.88" (124mm) of precipitation is accumulated. Throughout the year, there are 98.1 rainfall days, and 32.99" (838mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Mill Creek, during January, snow falls for 10.9 days and regularly aggregates up to 24.13" (613mm) of snow. In Mill Creek, during the entire year, snow falls for 66 days and aggregates up to 127.72" (3244mm) of snow.Daylight
In January, the average length of the day is 9h and 41min.On the first day of January, sunrise is at 7:28 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:22 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
In Mill Creek, California, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Mill Creek have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Mill Creek, CA
- Average high temperature in January: 40.5°F
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).
- Average low temperature in January: 25.2°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 in January
Mill Creek, CA
- Average pressure in January: 30.18"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 in January
Mill Creek, CA
- Average wind speed in January: 6.1mph
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 in January
Mill Creek, CA
- Average humidity in January: 81%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is July (42%).
Average rainfall in January
Mill Creek, CA
- Average rainfall in January: 4.88"
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 in January
Mill Creek, CA
- Average rainfall days in January: 7.9 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 in January
Mill Creek, CA
- Average snowfall in January: 24.13"
The month with the highest snowfall is March (27.05").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Mill Creek, CA
- Average snowfall days in January: 10.9 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 in January /
Average sunshine in January
Mill Creek, CA
- Average daylight in January: 9h and 4min
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
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 in January
Mill Creek, CA
- Average sunshine days in January: 15.3 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 in January
Mill Creek, CA
- Average UV index in January: 2
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 in January
Mill Creek, CA
- Average cloud cover in January: 45
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 in January
Mill Creek, CA
- Average visibility in January: 4mi
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).
Mill Creek, California, USA
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