February Weather in Vacaville, United States

Last updated: June 24, 2025

In February, the average temperature in Vacaville, United States hovers around 12°C (53°F). Expect a chilly minimum of -1°C (31°F) and a warm maximum of 27°C (80°F). During this period, precipitation averages 102 mm (4.0 in) over about 7 days, and the average humidity is a high 84%. Be prepared for a mix of weather as you explore this vibrant locale!

February Temperature in Vacaville

In February in Vacaville, the average temperature is 12°C (53°F). The maximum can reach 27°C (80°F), while the minimum can be as low as -1°C (31°F). Be prepared for a range of temperatures and pack accordingly for your travels!

February Weather in Vacaville: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Vacaville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vacaville, February typically has an average temperature of 12°C (53°F), with highs reaching up to 27°C (80°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Vacaville generated using information from the Copernicus Climate Change Service.

February Precipitation in Vacaville

In Vacaville in February, the total precipitation amount is 102 mm (4.0 in) over a period of 7 days.

February Precipitation Trends in Vacaville

The chart displays monthly precipitation patterns in Vacaville, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Vacaville, February typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Vacaville

In Vacaville in February, humidity is 84%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making travel a bit uncomfortable as you navigate through the heavy, moist air.

February Average Humidity in Vacaville

This chart illustrates the average monthly humidity levels in Vacaville, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Vacaville is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Vacaville

In Vacaville in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Vacaville.

Maximum UV Index Levels in Vacaville for February

The chart shows the monthly maximum UV Index (UVI) for Vacaville in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In February, the maximum UV index in Vacaville typically reaches 5, which falls under the moderate exposure category.

Data source: Vacaville February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How February Weather in Vacaville Compares to Other Months

Weather in Vacaville varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Vacaville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Vacaville, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	119 mm (4.7 inches)	84%	moderate
February Weather	12°C (53°F)	102 mm (4.0 inches)	84%	moderate
March Weather	13°C (56°F)	77 mm (3.0 inches)	83%	high
April Weather	16°C (61°F)	32 mm (1.3 inches)	81%	very high
May Weather	19°C (66°F)	17 mm (0.7 inches)	74%	very high
June Weather	22°C (71°F)	1 mm (0.1 inches)	64%	extreme
July Weather	22°C (71°F)	0 mm (0.0 inches)	44%	extreme
August Weather	22°C (72°F)	0 mm (0.0 inches)	36%	very high
September Weather	21°C (71°F)	1 mm (0.0 inches)	44%	very high
October Weather	18°C (65°F)	26 mm (1.0 inches)	65%	high
November Weather	13°C (56°F)	38 mm (1.5 inches)	84%	moderate
December Weather	10°C (50°F)	85 mm (3.3 inches)	83%	moderate