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St. Helena (NVV Office)

Current Conditions

11/29/25 10:15 AM (-08:00)
Updated Every 15 Minutes
Temp 41.7 °F   2.0
Wind Spd 1.0 mph   0.0
Wind Dir SE | 129 °
Wind Gust 3.1 mph   0.4
Wind Gst Dir SSE | 166 °
Latest Rain 0.00 In
Daily Rain 0.00 In
Daily Max Temp 43.6 °F   0.4
Daily Min Temp 40.2 °F   1.9
Daily Max Wind 3.8 mph   1.8
Max Wind Dir W | 266 °

St. Helena (NVV Office)

Current Conditions

11/29/25 10:15 AM (-08:00)
Updated Every 15 Minutes
Daily Rain 0.00 In
Month Precip 3.91 In
Season Precip 5.85 In
Yest MaxT 48.2 °F
Yest MinT 42.0 °F
Yest MaxGst 6.0 mph
Yest Precip 0.01 In

Last 7 Days

St. Helena (NVV Office)

Daily Data | America/Los_Angeles
as of 11/29/25 10:26 AM PST
Load Interactive
Date Daily Max Temp (°F) Daily Min Temp (°F) Wind Spd (mph) Wind Dir (°) Daily Max Wind (mph) Time of Max Wind Daily Rain (In) Season Precip (In) GDDs (DL) Chilling <=45F (hrs) MinBV Day (V)
11/28/25 48.2 42.0 0.9 ENE | 77 6.0 1454 0.01 5.85 0.0 16.0 12.5
11/27/25 60.0 39.8 0.6 E | 85 4.9 1357 0.00 5.84 0.9 15.6 12.5
11/26/25 65.8 36.8 0.6 ESE | 118 5.7 1138 0.01 5.84 3.0 13.4 12.5
11/25/25 56.1 40.3 0.5 ENE | 65 5.3 1404 0.00 5.83 0.5 14.7 12.5
11/24/25 61.9 41.1 0.8 SSW | 213 8.0 1132 0.00 5.83 2.0 3.0 12.5
11/23/25 53.0 37.8 0.7 ESE | 108 6.4 2152 0.00 5.83 0.4 9.2 12.5
11/22/25 69.8 37.4 0.8 ESE | 108 6.0 0750 0.00 5.83 4.4 10.5 12.5
Max 69.8 42.0 0.9 - 8.0 - 0.01 5.85 4.4 16.0 12.5
Avg - - 0.7 - - - - - 1.6 11.8 -
Min 48.2 36.8 0.5 - 4.9 - 0.00 5.83 0.0 3.0 12.5
Total - - - - - - - - 11.3 82.4 -

Climate Summary

St. Helena (NVV Office)

Current Year | Showing 1/1/25 - 11/28/25
as of 11/29/25 10:26 AM PST
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 2025 31 63.3 36.2 80.2 28.3 11.5 23.9 0.99 0 8 0 0 2 0 0
Feb 2025 28 63.7 39.8 81.1 27.6 11.1 23.9 11.18 1 4 0 0 7 5 0
Mar 2025 31 65.6 41.8 88 33.1 13 19.9 4.18 0 0 0 0 6 1 0
Apr 2025 30 74.1 45.5 86.5 36.1 10.9 21.6 0.65 0 0 0 0 1 0 0
May 2025 31 84.5 50 105 45.1 11.9 17.5 0.11 0 0 7 1 0 0 0
Jun 2025 30 88.1 52 97.2 45.6 10.7 13.5 0 0 0 10 0 0 0 0
Jul 2025 31 88.4 54.8 100.2 46.8 10.7 13.6 0 0 0 11 1 0 0 0
Aug 2025 31 94.5 55.4 106.4 48.4 10.2 13.6 0 0 0 24 5 0 0 0
Sep 2025 30 87.7 56.6 105.5 49.9 10.4 16.7 0.25 0 0 9 3 0 0 0
Oct 2025 31 76.7 49.1 95.1 43.3 8.2 12 1.69 0 0 2 0 2 0 0
Nov 2025 28 68 45.9 85.2 36.8 7.7 14 3.91 0 0 0 0 4 1 0
Total 332 - - - - - - 22.96 1 12 63 10 22 7 0
Average 30.2 77.9 48 77.9 48 10.6 - 2.09 0.1 1.1 5.7 0.9 2 0.6 0
Maximum 31 94.5 56.6 106.4 - - 23.9 11.18 1 8 24 5 7 5 0
Minimum 28 63.3 36.2 - 27.6 - - 0 0 0 0 0 0 0 0