| Temperatura en Helena |
Ene |
Feb |
Mar |
Abr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dic |
Anual |
| Temperatura Media |
19.6 |
26.4 |
33.6 |
43.4 |
52.5 |
62.1 |
69.2 |
67.4 |
55.4 |
45.1 |
31.6 |
21.2 |
44.0 |
| Temperatura Máxima Media |
29.6 |
36.9 |
44.8 |
56.1 |
65.4 |
75.8 |
85.0 |
83.2 |
69.8 |
58.5 |
42.4 |
31.3 |
56.6 |
| Temperatura Mínima Media |
9.6 |
15.9 |
22.3 |
30.6 |
39.6 |
48.3 |
53.4 |
51.7 |
41.0 |
31.6 |
20.7 |
11.2 |
31.3 |
| Días con Temperatura Máxima de 90 F o más |
0.0 |
0.0 |
0.0 |
0.0 |
< 0.5 |
2.0 |
8.0 |
8.0 |
1.0 |
0.0 |
0.0 |
0.0 |
19.0 |
| Días con Temperatura Mínima Bajo Congelación |
29.0 |
27.0 |
27.0 |
18.0 |
4.0 |
< 0.5 |
0.0 |
< 0.5 |
3.0 |
17.0 |
27.0 |
30.0 |
182 |
| | |
| Calefacción y Enfríamiento en Helena |
Ene |
Feb |
Mar |
Abr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dic |
Anual |
| Grados Día de Calefacción |
1407 |
1081 |
973 |
648 |
388 |
137 |
34.0 |
65.0 |
321 |
617 |
1002 |
1358 |
8031 |
| Grados Día de Enfriamiento |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
50.0 |
164 |
139 |
33.0 |
0.0 |
0.0 |
0.0 |
386 |
| | |
| Precipitación en Helena |
Ene |
Feb |
Mar |
Abr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dic |
Anual |
| Precipitación en pulgadas |
0.6 |
0.4 |
0.7 |
1.0 |
1.8 |
1.9 |
1.1 |
1.3 |
1.1 |
0.6 |
0.5 |
0.6 |
11.6 |
| Días con Precipitación de 0.01 pulgadas o más |
8.0 |
6.0 |
8.0 |
8.0 |
11.0 |
11.0 |
8.0 |
8.0 |
6.0 |
6.0 |
7.0 |
8.0 |
96.0 |
| Acumulación Mensual de Nieve en pulgadas |
8.6 |
6.1 |
7.4 |
4.9 |
1.4 |
0.1 |
< 0.05 |
0.1 |
1.5 |
2.3 |
6.4 |
8.3 |
47.1 |
| | |
| Otros Indicadores Climáticos para Helena |
Ene |
Feb |
Mar |
Abr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dic |
Anual |
| Velocidad Media del Viento |
6.7 |
7.3 |
8.2 |
9.1 |
8.8 |
8.5 |
7.8 |
7.4 |
7.4 |
7.1 |
7.1 |
6.7 |
7.7 |
| Días Claros |
5.0 |
4.0 |
4.0 |
4.0 |
5.0 |
6.0 |
14.0 |
13.0 |
11.0 |
8.0 |
5.0 |
4.0 |
82.0 |
| Días Parcialmente Nublados |
6.0 |
7.0 |
8.0 |
9.0 |
10.0 |
11.0 |
11.0 |
11.0 |
9.0 |
9.0 |
7.0 |
7.0 |
104 |
| Días Nublados |
20.0 |
17.0 |
19.0 |
18.0 |
16.0 |
13.0 |
6.0 |
7.0 |
11.0 |
14.0 |
18.0 |
20.0 |
179 |
| Porciento de Sol |
46.0 |
55.0 |
61.0 |
59.0 |
60.0 |
64.0 |
78.0 |
74.0 |
67.0 |
60.0 |
44.0 |
42.0 |
59.0 |
| Humedad Relativa Media |
52.5 |
68.5 |
63.5 |
58.5 |
55.5 |
56.0 |
53.0 |
49.5 |
51.0 |
54.5 |
59.0 |
66.0 |
69.0 |