January weather forecast
Napa Soda Springs, CA

Share

Weather in January

January in Napa Soda Springs, California, is a mild winter month, with an average temperature ranging between max 55.9°F (13.3°C) and min 41.2°F (5.1°C).

Temperature

The average high-temperature for January is a mild 55.9°F (13.3°C), closely aligning with the temperature of the preceding month. During the month of January, an average low-temperature of 41.2°F (5.1°C) is recorded in Napa Soda Springs.

Humidity

In January, the average relative humidity is 73%.

Rainfall

In Napa Soda Springs, California, during January, the rain falls for 10.3 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Napa Soda Springs, during the entire year, the rain falls for 77.8 days and collects up to 16.02" (407mm) of precipitation.

Daylight

In January, the average length of the day is 9h and 51min.
On the first day of January, sunrise is at 7:26 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:29 pm PST.

Sunshine

The average sunshine in January in Napa Soda Springs is 5.7h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Napa Soda Springs. 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 UV index of 3 during January leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average January temperature in Napa Soda Springs?

January temperatures in Napa Soda Springs vary between a high-temperature of 55.9°F (13.3°C) and a low-temperature of 41.2°F (5.1°C).

What is the average humidity in January in Napa Soda Springs?

In Napa Soda Springs, the average relative humidity in January is 73%.

How many days does it rain in January in Napa Soda Springs?

In Napa Soda Springs, during January, the rain falls for 10.3 days and regularly aggregates up to 3.03" (77mm) of precipitation.

How many hours of daylight does Napa Soda Springs have in January?

The average day length in January is 9h and 51min.

When is the sunrise / sunset in January in Napa Soda Springs?

On the first day of January in Napa Soda Springs, sunrise is at 7:26 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:29 pm PST.

How long on average sun shines in January in Napa Soda Springs?

In Napa Soda Springs, the average sunshine duration in January is 5.7h.

What is the month with the lowest UV index in Napa Soda Springs?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in January in Napa Soda Springs?

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Napa Soda Springs, CA

Average temperature in January - Napa Soda Springs, CA
  • Average high temperature in January: 55.9°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in January: 41.2°F

The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

Average pressure in January
Napa Soda Springs, CA

Average pressure in January - Napa Soda Springs, CA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in January
Napa Soda Springs, CA

Average wind speed in January - Napa Soda Springs, CA
  • Average wind speed in January: 4.5mph

The windiest month (with the highest average wind speed) is May (6mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

Average humidity in January
Napa Soda Springs, CA

Average humidity in January - Napa Soda Springs, CA
  • Average humidity in January: 73%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (54%).

Average rainfall in January
Napa Soda Springs, CA

Average rainfall in January - Napa Soda Springs, CA
  • Average rainfall in January: 3.03"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in January
Napa Soda Springs, CA

Average rainfall days in January - Napa Soda Springs, CA
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is August (0.9 days).

Average daylight in January /
Average sunshine in January
Napa Soda Springs, CA

Average daylight in January / Average sunshine in January - Napa Soda Springs, 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 36min).

Average sunshine days in January
Napa Soda Springs, CA

Average sunshine days in January - Napa Soda Springs, CA
  • Average sunshine days in January: 19.6 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).

Average UV index in January
Napa Soda Springs, CA

Average UV index in January - Napa Soda Springs, CA
  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in January
Napa Soda Springs, CA

Average cloud cover in January - Napa Soda Springs, CA
  • Average cloud cover in January: 37

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in January
Napa Soda Springs, CA

Average visibility in January - Napa Soda Springs, 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).

Napa Soda Springs, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location