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 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
The advent of January sees the average high-temperature at a still moderate 57°F (13.9°C), subtly shifted from December's 56.1°F (13.4°C). In the month of January, the nighttime temperature in San Lorenzo dips to a steady average of 44.1°F (6.7°C).Humidity
The average relative humidity in January in San Lorenzo is 72%.Rainfall
In San Lorenzo, California, in January, it is raining for 7.8 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 56.9 rainfall days, and 4.06" (103mm) of precipitation is accumulated.Daylight
In January, the average length of the day in San Lorenzo is 9h and 55min.On the first day of January in San Lorenzo, sunrise is at 7:23 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:30 pm PST.
Sunshine
In San Lorenzo, the average sunshine in January is 6.3h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in January interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What are January temperatures in San Lorenzo?
What is the average humidity in January in San Lorenzo?
How many days does it rain in January in San Lorenzo?
How many hours of daylight does San Lorenzo have in January?
What time are sunrise and sunset in January in San Lorenzo?
How long on average sun shines in January in San Lorenzo?
When is the lowest UV index in San Lorenzo?
What is the UV index reading in January in San Lorenzo?
Average temperature in January
San Lorenzo, CA
- Average high temperature in January: 57°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in January: 44.1°F
The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.1°F).
Average pressure in January
San Lorenzo, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
San Lorenzo, CA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in January
San Lorenzo, CA
- Average humidity in January: 72%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (62%).
Average rainfall in January
San Lorenzo, CA
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in January
San Lorenzo, CA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.7 days).
Average daylight in January /
Average sunshine in January
San Lorenzo, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
San Lorenzo, CA
- Average sunshine days in January: 22 days
The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is March (18.6 days).
Average UV index in January
San Lorenzo, CA
- Average UV index in January: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
San Lorenzo, CA
- Average cloud cover in January: 31
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in January
San Lorenzo, 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).
San Lorenzo, California, USA
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