Vacaville
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Vacaville, CA

A beautiful blue water lagoon set in Vacaville, California, amid scenic greenery of trees and vast fields, hill ranges, and a walking path around the water
A beautiful blue water lagoon set in Vacaville, California, amid scenic greenery of trees and vast fields, hill ranges, and a walking path around the water
January, the same as December, in Vacaville, California, is another mild winter month, with average temperature fluctuating between 39°F (3.9°C) and 55.9°F (13.3°C).

Temperature

The coldest months are January and December, with an average high-temperature of 55.9°F (13.3°C).

Rainfall

During January, Vacaville regularly aggregates up to 5.3" (135.4mm) of precipitation. Throughout the year, 26.3" (668mm) of rain is accumulated.

Daylight

The average length of the day in January in Vacaville is 9.9h.

What is the coldest month in Vacaville?

The coldest months in Vacaville, California, are January and December, with an average high-temperature of 55.9°F (13.3°C).

What is the temperature in January in Vacaville?

In January, in Vacaville, California, the average high-temperature is 55.9°F (13.3°C), and the average low-temperature is 39°F (3.9°C).

How much does it rain in Vacaville in January?

Throughout January, in Vacaville, 5.3" (135.4mm) of precipitation is accumulated.

What is the average length of the day in January in Vacaville?

In Vacaville, the average length of the day in January is 9.9h.
Average temperature in January - Vacaville, CA
  • Average high temperature in January: 56°F

The warmest month (with the highest average high temperature) is July (96°F).
Months with the lowest average high temperature are January and December (56°F).

  • Average low temperature in January: 39°F

The month with the highest average low temperature is July (60°F).
Coldest months (with the lowest average low temperature) are January and December (39°F).

Average rainfall in January - Vacaville, CA
  • Average rainfall in January: 5.3"

The wettest month (with the highest rainfall) is February (5.4").
The driest month (with the lowest rainfall) is July (0").

Average daylight in January - Vacaville, CA
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).