January weather forecastMcKinleyville, CA
January
Weather in January
January, like December, in McKinleyville, California, is another fresh winter month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 43.2°F (6.2°C).Temperature
McKinleyville, California, registers an average high-temperature of a still cool 53.8°F (12.1°C) with the arrival of January, showing minor deviation from the preceding month. An average minimum temperature of 43.2°F (6.2°C) is recorded during the month of January.Humidity
In McKinleyville, the average relative humidity in January is 78%.Rainfall
In McKinleyville, California, during January, the rain falls for 14.1 days and regularly aggregates up to 5.31" (135mm) of precipitation. In McKinleyville, during the entire year, the rain falls for 114.9 days and collects up to 31.61" (803mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in January is 9h and 38min.On the first day of January in McKinleyville, sunrise is at 7:41 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:31 pm PST.
Sunshine
The months with the least sunshine in McKinleyville are January and December, with an average of 5.1h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in January interprets into the following advice:
Heed the precautions - It is counselled to guard against solar damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
McKinleyville, CA
- Average high temperature in January: 53.8°F
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in January: 43.2°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).
Average pressure in January
McKinleyville, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in January
McKinleyville, CA
- Average wind speed in January: 7.2mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
McKinleyville, CA
- Average humidity in January: 78%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in January
McKinleyville, CA
- Average rainfall in January: 5.31"
The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in January
McKinleyville, CA
- Average rainfall days in January: 14.1 days
The month with the highest number of rainy days is March (16.8 days).
The months with the least rainy days are July and August (2.2 days).
Average snowfall in January
McKinleyville, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
McKinleyville, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
McKinleyville, CA
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in January
McKinleyville, CA
- Average sunshine days in January: 15.7 days
The months with the most sunshine days are July and August (28 days).
The month with the least sunshine days is March (12.5 days).
Average UV index in January
McKinleyville, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in January
McKinleyville, CA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in January
McKinleyville, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
