+43.6135° · -116.2035° · ELEV 0m
Boise
United States · Idaho
Monthly weather averages for Boise, United States — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
July → JanuaryClimate Overview
Boise has a continental climate. The warmest month is July (34°C average high) and the coolest is December (4°C).
№ 02
352 mm / yearRainfall by Month
Boise sees 352 mm of rain a year. The wettest month is December (55 mm); the driest is July (2 mm).
№ 03
May–JuneBest Time to Visit
May–June
9°C – 28°C · 12.9h sun
The best time to visit Boise is May–June, when temperatures average 9°C–28°C with 12.9 sunshine hours per day.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 4.2°C | -4.0°C | 43 mm | 6.7 h | 08:15 | 17:33 |
|---|---|---|---|---|---|---|
| February | 7.1°C | -2.2°C | 38 mm | 7.6 h | 07:43 | 18:14 |
| March | 12.4°C | 1.2°C | 39 mm | 9.2 h | 07:57 | 19:50 |
| April | 16.5°C | 4.1°C | 31 mm | 10.9 h | 07:01 | 20:27 |
| May | 22.2°C | 9.0°C | 39 mm | 12.3 h | 06:19 | 21:02 |
| June | 27.9°C | 13.7°C | 22 mm | 13.5 h | 06:02 | 21:27 |
| July | 34.1°C | 18.6°C | 2 mm | 14.0 h | 06:17 | 21:24 |
| August | 32.7°C | 17.8°C | 5 mm | 12.9 h | 06:49 | 20:49 |
| September | 26.6°C | 12.6°C | 15 mm | 11.1 h | 07:24 | 19:56 |
| October | 18.2°C | 6.5°C | 26 mm | 9.2 h | 07:58 | 19:02 |
| November | 9.4°C | 0.0°C | 37 mm | 7.2 h | 07:38 | 17:20 |
| December | 3.7°C | -4.0°C | 55 mm | 5.6 h | 08:11 | 17:08 |
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Temperature, rainfall and sunshine, month by month.