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
As Calistoga transitions into January, the average high-temperature stands at a mild 56.7°F (13.7°C), offering little variation from the preceding month. In January, the temperature drops to an average of 40.1°F (4.5°C) at night.Humidity
In January, the average relative humidity in Calistoga is 73%.Rainfall
In Calistoga, in January, it is raining for 10.3 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, in Calistoga, there are 77 rainfall days, and 17.05" (433mm) of precipitation is accumulated.Snowfall
In Calistoga, snow does not fall in January, March through December.Daylight
The average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:27 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:30 pm PST.
Sunshine
In Calistoga, the average sunshine in January is 5.6h.UV index
In Calistoga, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 4 suggests this advice:
Act with care - The need to guard against sun damage is communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
When it does not snow?
Does it snow in Calistoga in January?
How many hours of daylight does Calistoga have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Calistoga, CA
- Average high temperature in January: 56.7°F
The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in January: 40.1°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).
Average pressure in January
Calistoga, 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 (29.91"Hg).
Average wind speed in January
Calistoga, CA
- Average wind speed in January: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in January
Calistoga, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (53%).
Average rainfall in January
Calistoga, CA
- Average rainfall in January: 3.15"
The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Calistoga, CA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.8 days).
Average snowfall in January
Calistoga, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Calistoga, CA
- Average snowfall days in January: 0 days
The months with the highest number of snowfall days are February and March (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Calistoga, 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 30min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Calistoga, CA
- Average sunshine days in January: 20 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in January
Calistoga, CA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Calistoga, CA
- Average cloud cover in January: 39
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in January
Calistoga, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
Calistoga, California, USA
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