March Weather in Helena

Last updated: March 2, 2024

The weather in Helena, United States, during March is characterized by an average temperature of 16°C (62°F). Highs can soar to 30°C (87°F), while lows may dip to -2°C (30°F). Typically, the humidity level in Helena throughout March hovers around 80%.

-2°C (30°F)

Minimum temperature

16°C (62°F)

Average temperature

30°C (87°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In March, Helena averages 78 mm (3.1 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 12 hours 0 minutes of daylight, with the sun shining for approximately 8 hours 59 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

78 mm (3.1 inches)

Precipitation

7 rainy days

Rainy days

8 hours 59 minutes

Sunshine hours

37%

Chance of sun

UV Index

In March, the UV Index in Helena reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 3 5 7 9 9 9 8 5 3 1 1
Exposure Low Moderate High VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 30 min 45 min

Compare Helena's Climate with Cities Worldwide