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 observes an average high-temperature of a cool 50.7°F (10.4°C), marking an insignificant difference from December's 48.7°F (9.3°C). Throughout the month of January, Posey observes an average nighttime temperature of 33.1°F (0.6°C).Humidity
In January, the average relative humidity in Posey is 58%.Rainfall
January is the month with the most rainfall. Rain falls for 7.2 days and accumulates 2.48" (63mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Posey, during January, snow falls for 1.5 days and regularly aggregates up to 1.65" (42mm) of snow. In Posey, during the entire year, snow falls for 9.1 days and aggregates up to 9.13" (232mm) of snow.Daylight
The average length of the day in January is 10h and 4min.On the first day of January, sunrise is at 7:04 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:20 pm PST.
Sunshine
January, February and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
In Posey, California, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In January, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Posey in January?
What is the average humidity in January?
What is the wettest month?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Posey have in January?
When 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
Posey, CA
- Average high temperature in January: 50.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in January: 33.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (30.9°F).
Average pressure in January
Posey, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Posey, CA
- Average wind speed in January: 5.4mph
The windiest months (with the highest average wind speed) are May and June (7.3mph).
The calmest months (with the lowest average wind speed) are January and September (5.4mph).
Average humidity in January
Posey, CA
- Average humidity in January: 58%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is August (31%).
Average rainfall in January
Posey, CA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is January (2.48").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Posey, CA
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in January
Posey, CA
- Average snowfall in January: 1.65"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Posey, CA
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Posey, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 6h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in January
Posey, CA
- Average sunshine days in January: 22.1 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (19 days).
Average UV index in January
Posey, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
Posey, CA
- Average cloud cover in January: 24
The month with the most cloud cover is March (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in January
Posey, 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).
Posey, California, USA
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