World
North America
Helena Regional Airport (1188m)
Frost Days per Year (January 2000 - December 2008)
| Jan | Feb | Mar | Apr | May | Jun | |
| 27.2 | 23.3 | 19.5 | 8.4 | 1.6 | 0.0 | [days] |
| 96 | 93 | 95 | 96 | 91 | 96 | Data availability[%] |
| Jul | Aug | Sep | Oct | Nov | Dec | |
| 0.0 | 0.0 | 0.7 | 6.8 | 18.6 | 26.3 | [days] |
| 99 | 96 | 97 | 96 | 98 | 97 | Data availability[%] |
| Averaged Value (January 2000 - December 2008) : 132.4 days | ||||||
Every day in a year with the lowest temperature below freezing level (0°C / 32 °F) is called frost day.
| This very useful tool allows you to calculate the mean monthly temperatures, days with precipitation, total precipitation, days with snow and snow-depths, hours of sunshine and many more... |
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Helena
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