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St. Helena (NVV Office)

Current Conditions

12/13/25 11:30 AM (-08:00)
Updated Every 15 Minutes
Temp 38.8 °F   3.0
Wind Spd 1.4 mph   0.4
Wind Dir SE | 130 °
Wind Gust 3.4 mph   0.8
Wind Gst Dir ESE | 119 °
Latest Rain 0.00 In
Daily Rain 0.00 In
Daily Max Temp 39.7 °F   2.6
Daily Min Temp 34.3 °F   3.0
Daily Max Wind 4.3 mph   0.3
Max Wind Dir SE | 140 °

St. Helena (NVV Office)

Current Conditions

12/13/25 11:30 AM (-08:00)
Updated Every 15 Minutes
Daily Rain 0.00 In
Month Precip 0.03 In
Season Precip 5.88 In
Yest MaxT 56.5 °F
Yest MinT 34.9 °F
Yest MaxGst 5.4 mph
Yest Precip 0.01 In

Last 7 Days

St. Helena (NVV Office)

Daily Data | America/Los_Angeles
as of 12/13/25 11:42 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)
12/12/25 56.5 34.9 0.6 SE | 130 5.4 1235 0.01 5.88 0.5 19.5 12.5
12/11/25 56.6 38.8 0.5 SSE | 157 3.7 1121 0.00 5.87 0.4 18.2 12.4
12/10/25 51.2 39.0 0.6 ESE | 122 4.7 1429 0.01 5.87 0.0 20.0 12.4
12/9/25 47.9 38.5 0.6 ESE | 122 5.1 1312 0.01 5.86 0.0 20.0 12.4
12/8/25 50.2 39.1 0.6 ESE | 104 5.8 1353 0.00 5.85 0.0 18.8 12.4
12/7/25 46.7 41.9 0.6 ESE | 103 4.7 1318 0.00 5.85 0.0 19.0 12.5
12/6/25 46.7 35.7 0.9 ENE | 71 5.6 1459 0.00 5.85 0.0 17.7 12.5
Max 56.6 41.9 0.9 - 5.8 - 0.01 5.88 0.5 20.0 12.5
Avg - - 0.6 - - - - - 0.1 19.0 -
Min 46.7 34.9 0.5 - 3.7 - 0.00 5.85 0.0 17.7 12.4
Total - - - - - - - - 0.8 133.2 -

Climate Summary

St. Helena (NVV Office)

Current Year | Showing 1/1/25 - 12/12/25
as of 12/13/25 11:42 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 30 67 45.6 85.2 36.8 7.5 14 3.91 0 0 0 0 4 1 0
Dec 2025 12 55.7 37.2 69.9 33.2 6 11.7 0.03 0 0 0 0 0 0 0
Total 346 - - - - - - 22.99 1 12 63 10 22 7 0
Average 28.8 76.9 47.5 76.9 47.5 10.4 - 1.92 0.1 1 5.2 0.8 1.8 0.6 0
Maximum 31 94.5 56.6 106.4 - - 23.9 11.18 1 8 24 5 7 5 0
Minimum 12 55.7 36.2 - 27.6 - - 0 0 0 0 0 0 0 0