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
January's commencement is accompanied by an average high-temperature of a still cool 53.8°F (12.1°C), diverging marginally from December's 51.3°F (10.7°C). Penn Valley experiences an average nighttime temperature of 38.3°F (3.5°C) in the month of January.Humidity
In Penn Valley, the average relative humidity in January is 69%.Rainfall
In Penn Valley, during January, the rain falls for 10.3 days and regularly aggregates up to 5.31" (135mm) of precipitation. In Penn Valley, during the entire year, the rain falls for 82 days and collects up to 33.11" (841mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Penn Valley. In Penn Valley, California, during January, snow falls for 0.7 days and regularly aggregates up to 1.42" (36mm) of snow. In Penn Valley, California, during the entire year, snow falls for 6.8 days and aggregates up to 14.41" (366mm) of snow.Daylight
In January, the average length of the day is 9h and 47min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:52 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:23 pm PST.
Sunshine
With an average of 5.7h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in January translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are the temperatures in Penn Valley in January?
What is the average humidity in January in Penn Valley?
How much does it rain in Penn Valley in January?
How much does it snow in Penn Valley in January?
What is the average length of the day in January in Penn Valley?
When is the sunrise / sunset in January in Penn Valley?
What is the month with the least sunshine in Penn Valley?
How long on average sun shines in January in Penn Valley?
How high is the UV index in January in Penn Valley?
Average temperature in January
Penn Valley, CA
- Average high temperature in January: 53.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in January: 38.3°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in January
Penn Valley, CA
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Penn Valley, CA
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Penn Valley, CA
- Average humidity in January: 69%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall in January
Penn Valley, CA
- Average rainfall in January: 5.31"
The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Penn Valley, CA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in January
Penn Valley, CA
- Average snowfall in January: 1.42"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Penn Valley, CA
- Average snowfall days in January: 0.7 days
The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Penn Valley, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in January
Penn Valley, CA
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in January
Penn Valley, CA
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in January
Penn Valley, CA
- Average cloud cover in January: 35
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Penn Valley, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Penn Valley, California, USA
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