Climate Summary
St. Helena (NVV Office)
Current Year | Showing 1/1/26 - 9/28/26
as of 9/29/26 4:42 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
|
31
|
92.1 |
55.5 |
105.9 |
49.9 |
10.3 |
12.3 |
0 |
0 |
0 |
20 |
4 |
0 |
0 |
0 |
|
Aug 2026
|
31
|
91.7 |
55.4 |
105 |
48.7 |
10.1 |
13.2 |
0 |
0 |
0 |
20 |
3 |
0 |
0 |
0 |
|
Sep 2026
|
28
|
86.6 |
52 |
105.4 |
44.8 |
10.3 |
15.2 |
0.04 |
0 |
0 |
8 |
3 |
0 |
0 |
0 |
| Total |
271 |
- |
- |
- |
- |
- |
- |
15.38 |
0 |
5 |
71 |
13 |
20 |
6 |
0 |
| Average |
30.1 |
81.3 |
49.2 |
81.3 |
49.2 |
10.5 |
- |
1.71 |
0 |
0.6 |
7.9 |
1.4 |
2.2 |
0.7 |
0 |
| Maximum |
31 |
92.1 |
55.5 |
109.1 |
- |
- |
23.5 |
5.23 |
0 |
3 |
20 |
4 |
6 |
2 |
0 |
| Minimum |
28 |
65.3 |
38.6 |
- |
28.8 |
- |
- |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
