Union City (CA) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Union City (California). The numbers are calculated over a 30-year period to provide a reliable average.
- Union City has dry periods in May, June, July, August, September and October.
- On average, December is the wettest month with 81 mm of precipitation.
- On average, July is the driest month with 0 mm of precipitation.
- The average amount of annual precipitation is 354 mm.
Current rainfall in Union City (CA)
partly cloudy and chance of rain
partly cloudy and chance of rain
overcast and heavy rain