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 beginning of January records an average high-temperature of a refreshing 56.3°F (13.5°C), almost echoing the conditions of the previous month. In January, Nicasio experiences an average nighttime temperature of 44.2°F (6.8°C).Humidity
In January, the average relative humidity in Nicasio is 74%.Rainfall
In Nicasio, in January, it is raining for 8.6 days, with typically 1.22" (31mm) of accumulated precipitation. In Nicasio, during the entire year, the rain falls for 68.4 days and collects up to 7.28" (185mm) of precipitation.Daylight
In January, the average length of the day is 9h and 53min.On the first day of the month, sunrise is at 7:26 am and sunset at 5:01 pm. On the last day of January, in Nicasio, sunrise is at 7:16 am and sunset at 5:32 pm PST.
Sunshine
In January, the average sunshine is 5.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: During January, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Nicasio in January?
What is the average humidity in January in Nicasio?
How many days does it rain in January in Nicasio?
How many hours of daylight does Nicasio have in January?
What time are sunrise and sunset in January in Nicasio?
How long on average sun shines in January in Nicasio?
What is the month with the lowest UV index in Nicasio?
How high is the UV index in January in Nicasio?
Average temperature in January
Nicasio, CA
- Average high temperature in January: 56.3°F
The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in January: 44.2°F
The month with the highest average low temperature is September (55.8°F).
The coldest month (with the lowest average low temperature) is December (43.9°F).
Average pressure in January
Nicasio, 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
Nicasio, CA
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).
Average humidity in January
Nicasio, CA
- Average humidity in January: 74%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (66%).
Average rainfall in January
Nicasio, CA
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is February (1.65").
The driest months (with the least rainfall) are July, August and September (0.08").
Average rainfall days in January
Nicasio, CA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (2 days).
Average daylight in January /
Average sunshine in January
Nicasio, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
Nicasio, CA
- Average sunshine days in January: 21.2 days
The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is March (18.5 days).
Average UV index in January
Nicasio, 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
Nicasio, CA
- Average cloud cover in January: 36
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 14).
Average visibility in January
Nicasio, 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).
Nicasio, California, USA
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