Average data for 10 years
1 October
Wednesday
+16°
+3°
2 October
Thursday
+15°
+3°
3 October
Friday
+14°
+2°
4 October
Saturday
+13°
+2°
5 October
Sunday
+13°
+1°
6 October
Monday
+15°
+1°
7 October
Tuesday
+15°
+3°
8 October
Wednesday
+14°
+2°
9 October
Thursday
+14°
+1°
10 October
Friday
+13°
0°
11 October
Saturday
+11°
+1°
12 October
Sunday
+10°
0°
13 October
Monday
+11°
0°
14 October
Tuesday
+12°
+1°
15 October
Wednesday
+12°
+1°
16 October
Thursday
+12°
+1°
17 October
Friday
+13°
+1°
18 October
Saturday
+12°
+1°
19 October
Sunday
+12°
+1°
20 October
Monday
+12°
+1°
21 October
Tuesday
+12°
+1°
22 October
Wednesday
+10°
0°
23 October
Thursday
+10°
0°
24 October
Friday
+8°
−1°
25 October
Saturday
+8°
−1°
26 October
Sunday
+8°
−1°
27 October
Monday
+8°
−1°
28 October
Tuesday
+8°
−1°
29 October
Wednesday
+7°
−1°
30 October
Thursday
+6°
−3°
31 October
Friday
+6°
−2°
Cities near you
Canada
Medicine Hat
United States
Billings
United States
Cody
United States
Missoula
United States
West Yellowstone
Cities with similar weather in October
Belarus
Minsk
Belarus
Mogilev
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
In October, the weather in Helena is typically warm. Average daily high temperature in October is about 11 degrees above zero. On average, Helena has 11 partly cloudy, 10 sunny, 6 rainy, 3 cloudy, and 1 snowy day in October. The rains are usually light.