Climate and Weather Charts
Boise Airport (BOI)
(Boise, Idaho - ID, USA)
Boise features a continental climate and is situated in the state of Idaho. The city of Boise is known for its hot summer weather and relatively mild winters. Precipitation levels in the Boise area are extremely low, being fairly evenly spread across the year, although June, July and August are the driest months.
The summer climate in Boise is hot, with daytime highs regularly exceeding 30°C / 86°F and reaching 32°C / 90°F or more during the sunniest weather. Winter temperatures can feel chilly, but are amongst the area's mildest, with average daytime temperatures hovering around 5°C / 41°F. Boise offers plenty of sunshine and on average you can expect more than 230 days of sunny weather each year. The average annual daytime temperatures in Boise are around 17°C / 63°F.
Climate Description: Continental climate
Boise Airport (BOI) Location: Northern Hemisphere, USA, Idaho
Annual High / Low Daytime Temperatures at Boise: 32°C / 3°C (90°F / 37°F)
Average Daily January Temperature: 3°C / 37°F
Average Daily June Temperature: 27°C / 81°F
Annual Rainfall / Precipication Boise at Airport (BOI): 307 mm / 12 inches
Boise Airport (BOI):
Climate and Weather Charts
Temperature Chart |
| Temperatures |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Average |
Maximum
Celcius (°C) |
3 |
7 |
12 |
16 |
22 |
27 |
32 |
31 |
25 |
18 |
9 |
3 |
17 |
Minimum
Celcius (°C) |
-6 |
-2 |
0 |
3 |
7 |
11 |
15 |
14 |
9 |
4 |
0 |
-5 |
4 |
Maximum
Fahrenheit (°F) |
37 |
45 |
54 |
61 |
72 |
81 |
90 |
88 |
77 |
64 |
48 |
37 |
63 |
Minimum
Fahrenheit (°F) |
21 |
28 |
32 |
37 |
45 |
52 |
59 |
57 |
48 |
39 |
32 |
23 |
39 |
Rainfall / Precipitation Chart |
| Rainfall |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Total |
| Rainfall (mm) |
36 |
28 |
33 |
30 |
28 |
20 |
8 |
10 |
20 |
20 |
38 |
36 |
307 |
| Rainfall (inches) |
1.4 |
1.1 |
1.3 |
1.2 |
1.1 |
0.8 |
0.3 |
0.4 |
0.8 |
0.8 |
1.5 |
1.4 |
12 |
| Boise Days of Rain |
12 |
10 |
10 |
8 |
8 |
6 |
3 |
2 |
4 |
6 |
10 |
11 |
90 |
Snowfall Chart |
| Snowfall |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Total |
| Snowfall (mm) |
165 |
94 |
41 |
15 |
3 |
0 |
0 |
0 |
0 |
3 |
58 |
150 |
529 |
| Snowfall (inches) |
6.5 |
3.7 |
1.6 |
0.6 |
0.1 |
0 |
0 |
0 |
0 |
0.1 |
2.3 |
5.9 |
21 |
Seasonal Chart |
| Seasons |
Average
Temp
(Max °C) |
Average
Temp
(Min °C) |
Average
Temp
(Max °F) |
Average
Temp
(Min °F) |
Total
Rainfall
(mm) |
Total
Rainfall
(inches) |
Total
Snowfall
(mm) |
Total
Snowfall
(inches) |
| Mar to May (Spring) |
17 |
3 |
62 |
38 |
91 |
4 |
59 |
2 |
| Jun to Aug (Summer) |
30 |
13 |
86 |
56 |
38 |
2 |
0 |
0 |
| Sept to Nov (Autumn / Fall) |
17 |
4 |
63 |
40 |
78 |
3 |
61 |
2 |
| Dec to Feb (Winter) |
4 |
-4 |
40 |
24 |
100 |
4 |
409 |
16 |
