January weather forecastLoma Portal, CA
January
Weather in January
January, the same as December, is another refreshing winter month in Loma Portal, California, with an average temperature ranging between max 64.2°F (17.9°C) and min 52.7°F (11.5°C).Temperature
Loma Portal's January reports an average high-temperature of a still enjoyable 64.2°F (17.9°C), exhibiting a minor difference from December. An average nighttime temperature of 52.7°F (11.5°C) is observed during January.Humidity
In January, the average relative humidity is 60%.Rainfall
In January, the rain falls for 5.3 days. Throughout January, 1.06" (27mm) of precipitation is accumulated. In Loma Portal, during the entire year, the rain falls for 61.8 days and collects up to 8.7" (221mm) of precipitation.Daylight
In Loma Portal, the average length of the day in January is 10h and 17min.On the first day of the month, sunrise is at 6:51 am and sunset at 4:53 pm. On the last day of January, sunrise is at 6:44 am and sunset at 5:20 pm PST.
Sunshine
The average sunshine in January is 6.8h.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 in January translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Loma Portal, CA
- Average high temperature in January: 64.2°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).
- Average low temperature in January: 52.7°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in January
Loma Portal, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in January
Loma Portal, CA
- Average wind speed in January: 5.3mph
The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in January
Loma Portal, CA
- Average humidity in January: 60%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (59%).
Average rainfall in January
Loma Portal, CA
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in January
Loma Portal, CA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).
Average daylight in January /
Average sunshine in January
Loma Portal, CA
- Average daylight in January: 10h and 18min
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 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Loma Portal, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).
Average UV index in January
Loma Portal, CA
- Average UV index in January: 4
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in January
Loma Portal, CA
- Average cloud cover in January: 21
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in January
Loma Portal, 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).
