January weather forecastPalomar Mountain, CA
January
Weather in January
January, like December, in Palomar Mountain, California, is another refreshing winter month, with an average temperature fluctuating between 45.9°F (7.7°C) and 64.9°F (18.3°C).Temperature
Palomar Mountain notes an average high-temperature of a still enjoyable 64.9°F (18.3°C) in January, hardly diverging from December. During January, Palomar Mountain experiences an average low-temperature of 45.9°F (7.7°C) at night.Humidity
In January, the average relative humidity is 54%.Rainfall
In Palomar Mountain, during January, the rain falls for 4.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 51.6 rainfall days, and 5.59" (142mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. During January, Palomar Mountain regularly aggregates up to 6.81" (173mm) of snow. Throughout the year, 35.51" (902mm) of snow is accumulated.Daylight
In Palomar Mountain, the average length of the day in January is 10h and 14min.On the first day of January, sunrise is at 6:51 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 5:17 pm PST.
Sunshine
In Palomar Mountain, the average sunshine in January is 6.9h.UV index
In Palomar Mountain, California, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in January translates into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Palomar Mountain, CA
- Average high temperature in January: 64.9°F
The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in January: 45.9°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is February (44.6°F).
Average pressure in January
Palomar Mountain, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Palomar Mountain, CA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest month (with the lowest average wind speed) is September (4.2mph).
Average humidity in January
Palomar Mountain, CA
- Average humidity in January: 54%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (52%).
Average rainfall in January
Palomar Mountain, CA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Palomar Mountain, CA
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in January
Palomar Mountain, CA
- Average snowfall in January: 6.8"
The month with the highest snowfall is March (9.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Palomar Mountain, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Palomar Mountain, CA
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Palomar Mountain, CA
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in January
Palomar Mountain, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Palomar Mountain, CA
- Average cloud cover in January: 21
The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Palomar Mountain, 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).
