Historical Weather Records & Monthly Climate for Union City, CA
All-Time High
107°F
All-Time Low
-18°F
Max Daily Snow
8.5"
Max Wind Gust
24 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 41° | 25° | 2.68" | 4.21" |
| February | 46° | 28° | 2.47" | 3.55" |
| March | 56° | 37° | 4.09" | 2.07" |
| April | 66° | 47° | 4.6" | 0.33" |
| May | 75° | 57° | 4.94" | 0 |
| June | 84° | 66° | 4.09" | 0 |
| July | 88° | 70° | 3.69" | 0 |
| August | 87° | 69° | 3.45" | 0 |
| September | 80° | 62° | 3.06" | 0 |
| October | 68° | 51° | 3.47" | 0.01" |
| November | 55° | 39° | 3.16" | 0.91" |
| December | 45° | 30° | 2.47" | 2.85" |
More Historical Climate Data for Cities in
CA