Best time to go to Boise (Idaho) Average weather of Boise (Idaho), United States

When is the best time to go to Boise (Idaho)?

When is the best time to go to Boise (Idaho)? Here's some information to help you in your decision:

The best months for good weather in Boise (Idaho) are June, July, August and September
On average, the warmest months are July and August
The coldest months are January and December
The rainiest months are January, February, March and December

Annual weather in Boise (Idaho)

For full information about the climate and weather in Boise (Idaho) a specific month, click on the corresponding line below:

Month			Our opinion
January	25°F/36°F	4.2in	very bad weather	Boise (Idaho) in january
February	29°F/40°F	3.8in	very bad weather	Boise (Idaho) in february
March	36°F/49°F	4.7in	very bad weather	Boise (Idaho) in march
April	41°F/58°F	2.5in	very bad weather	Boise (Idaho) in april
May	49°F/67°F	2.3in	tolerable weather	Boise (Idaho) in may
June	56°F/76°F	1.8in	good weather	Boise (Idaho) in june
July	65°F/88°F	0.5in	perfect weather	Boise (Idaho) in july
August	65°F/86°F	0.6in	perfect weather	Boise (Idaho) in august
September	58°F/77°F	1.1in	perfect weather	Boise (Idaho) in september
October	45°F/59°F	2.4in	tolerable weather	Boise (Idaho) in october
November	34°F/47°F	2.8in	very bad weather	Boise (Idaho) in november
December	25°F/34°F	4.4in	very bad weather	Boise (Idaho) in december

Weather and climate in Boise (Idaho)

Boise (Idaho) enjoys a warm-summer Mediterranean climate in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Boise (Idaho) is 59°F (ranging from 34°F in december to 88°F in july). Annual rainfall is 30.8in, with a minimum of 0.5in in july and a maximum of 4.7in in march.

Between the months of january and april the climate is very bad. By early evening, the temperature averages 56°F and you can expect to have 2.5in of rainfall/month during this period.
In the month of may the climate is okay. By early evening, the temperature averages 65°F.
In the month of june the climate is good. The record temperature this month is 103°F and, in june, 3 days of rain are expected.
Between july and september the climate is perfect. In average, on the morning it is 58°F and, in september, 1 days of rain are expected.
In the month of october the climate is just OK. The temperature rises to 59°F and, in october, 4 days of rain are expected.
Between the months of november and december the climate is very bad. In average, on the morning it is 29°F and, in december, 7 days of rain are expected.

Charts: temperature and rainfall in Boise (Idaho)

In the charts below, you can see the following seasonal norms for the city of Boise (Idaho): the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity

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