Weather in Helena in Spring
| March | April | May | ||||
| Average day temperature: | 37.7°F | 45.0°F | 56.8°F | |||
| Average night temperature: | 25.5°F | 30.7°F | 41.7°F | |||
| Number of sunny days: | 9 days | 10 days | 11 days | |||
| Day length: | 11.1 - 12.8 h. | 12.9 - 14.4 h. | 14.4 - 15.6 h. | |||
| Number of rainy days: | 0 days | 1 day | 3 days | |||
| Precipitation totals: | 0.5 in. | 0.6 in. | 1.4 in. | |||
Day & Night air temperature, °F
March
April
May
0
9
18
27
36
45
54
63
72
56.8
45.0
37.7
41.7
30.7
25.5
| Day temperature | Night temperature |
Precipitation total, in.
March
April
May
0.0
0.2
0.5
0.7
1.0
1.2
1.4
1.7
1.4
0.6
0.5
Sunny, partly cloudy and cloudy days
March
April
May
0
5
10
15
20
25
30
35
10
10
10
10
10
13
11
10
9
| Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
March
April
May
0.0
1.1
2.1
3.2
4.2
5.3
6.3
7.4
5.8
6.2
5.6
Average sunny hours
March
April
May
0
1
2
3
4
5
6
7
8
9
8.3
7.3
6.3
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Helena
Helena on a weather map
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Places in USA:
Name
°F
24 Hours Forecast
Helena
Local time: 14:29
April 21, monday
1500
45°F
E
19 mph
19 mph
1800
41°F
E
19 mph
19 mph
2100
34°F
E
11 mph
11 mph
April 22, tuesday
0000
30°F
NE
6 mph
6 mph
0300
28°F
E
6 mph
6 mph
0600
28°F
E
6 mph
6 mph
0900
32°F
E
6 mph
6 mph
1200
41°F
E
9 mph
9 mph
