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Boise, Idaho Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:
- Boise, Idaho, Usa latitude & longitude; 43°34'N 116°13'W.
- Altitude; 865 m (2838 ft).
- The average temperature in Boise, Idaho, Usa is 10.5 °C (51 °F).
- The range of average monthly temperatures is 26 °C.
- The warmest average max/ high temperature is 33 °C (91 °F) in July.
- The coolest average min/ low temperature is -6 °C (21 °F) in January.
- Boise, Idaho receives on average 288 mm (11.3 in) of precipitation annually or 24 mm (0.9 in) each month.
- On balance there are 88 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 7.3 days on an average month.
- The month with the driest weather is July & August when on balance 5 mm (0.2 in) of rainfall (precipitation) occurrs.
- The month with the wettest weather is January, February, March, May & December when on balance 33 mm (1.3 in) of rainfall (precipitation) occurrs.
- Mean relative humidity for an average year is recorded as 52.2% and on a monthly basis it ranges from 33% in August to 75% in December.
- There is an average range of hours of sunshine in Boise, Idaho of between 3.3 hours per day in January and 13.7 hours per day in July.
- On balance there are 3081 sunshine hours annually and approximately 8.4 sunlight hours for each day.
Boise, Idaho Climate Graph (Metric | Imperial units)
Add the Boise, Idaho Climate Graph (metric) to your web page!
Use our metric climate graph for Boise, Idaho on your travel or accommodation website to help people thinking of booking a flight or hotel, renting a villa or purchasing property etc. (a back link is required):
Boise, Idaho Weather Averages
| |
Average Minimum Temperatures in Boise, Idaho, Usa (°C) |
Average Maximum Temperature in Boise, Idaho, Usa (°C) |
Boise, Idaho Average Temperature (°C) |
Average Sea Temp (°C) |
Average Precipitation/ Rainfall (mm) |
Wet Days (>0.1 mm) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed in Boise, Idaho (Beaufort) |
Average Number of Days with Frost |
|
| Weather in Boise, Idaho in January |
-6 |
2 |
-2 |
- |
33 |
12 |
3.3 |
74 |
3 |
- |
Average Temperature in Boise, Idaho in January |
| Weather in Boise, Idaho in February |
-3 |
6 |
1.5 |
- |
33 |
11 |
5.3 |
69 |
3 |
- |
Average Temperature in Boise, Idaho in February |
| Weather in Boise, Idaho in March |
0 |
11 |
6 |
- |
33 |
10 |
7.0 |
57.0 |
3 |
- |
Average Temperature in Boise, Idaho in March |
| Weather in Boise, Idaho in April |
3 |
17 |
10 |
- |
30 |
8 |
9.1 |
47 |
3 |
- |
Average Temperature in Boise, Idaho in April |
| Weather in Boise, Idaho in May |
7 |
22 |
15 |
- |
33 |
8 |
10.5 |
45 |
3 |
- |
Average Temperature in Boise, Idaho in May |
| Weather in Boise, Idaho in June |
11 |
27 |
19 |
- |
23 |
6 |
12.1 |
42 |
3 |
- |
Average Temperature in Boise, Idaho in June |
| Weather in Boise, Idaho in July |
15 |
33 |
24 |
- |
5 |
2 |
13.7 |
34 |
3 |
- |
Average Temperature in Boise, Idaho in July |
| Weather in Boise, Idaho in August |
13 |
32 |
22.5 |
- |
5 |
2 |
12.3 |
33 |
3 |
- |
Average Temperature in Boise, Idaho in August |
| Weather in Boise, Idaho in September |
8 |
26 |
17 |
- |
10 |
3 |
10.7 |
38 |
3 |
- |
Average Temperature in Boise, Idaho in September |
| Weather in Boise, Idaho in October |
3 |
19 |
11 |
- |
20 |
6 |
8.0 |
48 |
3 |
- |
Average Temperature in Boise, Idaho in October |
| Weather in Boise, Idaho in November |
-2 |
9 |
4 |
- |
30 |
9 |
5.3 |
64 |
3 |
- |
Average Temperature in Boise, Idaho in November |
| Weather in Boise, Idaho in December |
-4 |
4 |
0 |
- |
33 |
11 |
3.8 |
75 |
3 |
- |
Average Temperature in Boise, Idaho in December |
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Add the Boise, Idaho Climograph/ Climate Chart (imperial) to your web page!
Use our imperial climate chart for Boise, Idaho on your travel or accommodation website to help people thinking of booking a flight or hotel, renting a villa or purchasing property etc. (a back link is required):
Boise, Idaho Temperatures in Farenheit
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Average Minimum Temperatures in Boise, Idaho, Usa (°F) |
Average Maximum Temperature in Boise, Idaho, Usa (°F) |
Average Temperature (°F) |
Average Sea Temp (°F) |
Average Precipitation/ Rainfall (in) |
Wet Days (>0.004 in) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed (Beaufort) |
Average Number of Days with Frost |
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| Temperatures in Boise, Idaho in January |
21 |
36 |
28 |
- |
1.3 |
12 |
3.3 |
74 |
3 |
- |
Climate in Boise, Idaho in January |
| Temperatures in Boise, Idaho in February |
27 |
43 |
35 |
- |
1.3 |
11 |
5.3 |
69 |
3 |
- |
Climate in Boise, Idaho in February |
| Temperatures in Boise, Idaho in March |
32 |
52 |
42 |
- |
1.3 |
10 |
7.0 |
57 |
3 |
- |
Climate in Boise, Idaho in March |
| Temperatures in Boise, Idaho in April |
37 |
63 |
50 |
- |
1.2 |
8 |
9.1 |
47 |
3 |
- |
Climate in Boise, Idaho in April |
| Temperatures in Boise, Idaho in May |
45 |
72 |
58 |
- |
1.3 |
8 |
10.5 |
45 |
3 |
- |
Climate in Boise, Idaho in May |
| Temperatures in Boise, Idaho in June |
52 |
81 |
66 |
- |
0.9 |
6 |
12.1 |
42 |
3 |
- |
Climate in Boise, Idaho in June |
| Temperatures in Boise, Idaho in July |
59 |
91 |
75 |
- |
0.2 |
2 |
13.7 |
34 |
3 |
- |
Climate in Boise, Idaho in July |
| Temperatures in Boise, Idaho in August |
55 |
90 |
73 |
- |
0.2 |
2 |
12.3 |
33 |
3 |
- |
Climate in Boise, Idaho in August |
| Temperatures in Boise, Idaho in September |
46 |
79 |
63 |
- |
0.4 |
3 |
10.7 |
38 |
3 |
- |
Climate in Boise, Idaho in September |
| Temperatures in Boise, Idaho in October |
37 |
66 |
52 |
- |
0.8 |
6 |
8.0 |
48 |
3 |
- |
Climate in Boise, Idaho in October |
| Temperatures in Boise, Idaho in November |
28 |
48 |
38 |
- |
1.2 |
9 |
5.3 |
64 |
3 |
- |
Climate in Boise, Idaho in November |
| Temperatures in Boise, Idaho in December |
25 |
39 |
32 |
- |
1.3 |
11 |
3.8 |
75 |
3 |
- |
Climate in Boise, Idaho in December |
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