Boise Weather in March

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

March is in the spring in Boise and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night -1°C (31°F) is normal.

On average March is the 4th wettest month of the year in Boise with around 32mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 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 in March 2024.