Boise City Weather in March

The climate in Boise City during March can be summarized as cool and dry.

March is in the spring in Boise City and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night -3°C (27°F) is normal.

On average March is the 5th driest month of the year in Boise City with around 22mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 9 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Boise City in March 2025.