Climate Summary

St. Helena (NVV Office)

Current Year | Showing 1/1/26 - 7/30/26
as of 7/31/26 3:50 PM PDT
Temperature (°F) Max Wind Gust (mph) Precip (in) Days
Month Days Avg High Avg Low Max Min Avg Max Total Daily Min Temp < 28 Daily Min Temp < 32 Daily Max Temp > 90 Daily Max Temp > 100 Daily Rain > 0.25 Daily Rain > 1 Daily Max Wind > 25
Jan 2026 31 65.3 38.6 81.6 31.5 8.9 17.5 4.49 0 2 0 0 5 2 0
Feb 2026 28 66.9 42 83.4 28.8 9.9 18.8 5.23 0 3 0 0 6 2 0
Mar 2026 31 83.1 46.9 95.3 40.2 10.9 19.9 0.35 0 0 8 0 1 0 0
Apr 2026 30 73.4 45.7 87.3 39.4 11.1 18 4.09 0 0 0 0 5 2 0
May 2026 31 81.7 51.4 96.1 46 11.6 23.5 1.18 0 0 4 0 3 0 0
Jun 2026 30 90 54.9 109.1 48.6 11.4 16.3 0 0 0 11 3 0 0 0
Jul 2026 30 92 55.6 105.9 49.9 10.3 12.3 0 0 0 19 4 0 0 0
Total 211 - - - - - - 15.34 0 5 42 7 20 6 0
Average 30.1 79 47.9 79 47.9 10.6 - 2.19 0 0.7 6 1 2.9 0.9 0
Maximum 31 92 55.6 109.1 - - 23.5 5.23 0 3 19 4 6 2 0
Minimum 28 65.3 38.6 - 28.8 - - 0 0 0 0 0 0 0 0