Cheap flights to Helena
Best time to book a flight to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena with our price prediction graph.
Travel insights for flights to Helena
Get recent, data-driven insights about flights to Helena including ideal travel times, pricing trends, and more.
Rainfall in Helena by month
Plan your trip to Helena by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Helena ranges from 8.0 - 53.0 mm per month. June is typically the wettest month, when rainfall can reach 53.0 mm. February is typically the driest time to visit Helena when rainfall is around 8.0 mm.
Temperature in Helena by month
Plan your trip to Helena by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -6.0 C).
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