Idaho weather by month

Check out Idaho weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
36°F maximum daytime temperature in January in Boise36
45°F maximum daytime temperature in February in Boise45
54°F maximum daytime temperature in March in Boise54
61°F maximum daytime temperature in April in Boise61
72°F maximum daytime temperature in May in Boise72
81°F maximum daytime temperature in June in Boise81
90°F maximum daytime temperature in July in Boise90
88°F maximum daytime temperature in August in Boise88
77°F maximum daytime temperature in September in Boise77
64°F maximum daytime temperature in October in Boise64
48°F maximum daytime temperature in November in Boise48
37°F maximum daytime temperature in December in Boise37
Hours of sunshine (daily)
Days with some rainfall
12 days with some rainfall in January in Boise12
10 days with some rainfall in February in Boise10
10 days with some rainfall in March in Boise10
8 days with some rainfall in April in Boise8
7 days with some rainfall in May in Boise7
6 days with some rainfall in June in Boise6
3 days with some rainfall in July in Boise3
3 days with some rainfall in August in Boise3
4 days with some rainfall in September in Boise4
6 days with some rainfall in October in Boise6
10 days with some rainfall in November in Boise10
11 days with some rainfall in December in Boise11

More about Idaho

Idaho by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Idaho (Boise) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Idaho destinations

Below are average maximum temperatures at popular countries, regions and places in Idaho for next month - May. Select a destination to see the climate guide for all months of the year.

All Idaho destinations

Metric (°C)  |  Imperial (°F)

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More about the USA

Compare Idaho with the UK

Below the Idaho chart shows average maximum daytime temperature for Idaho, USA (Boise) and the UK (London).

Maximum daytime temperature (°F)

Idaho, USA (Boise)
UK (London)
36
45
45
45
54
50
61
55
72
63
81
68
90
72
88
72
77
66
64
59
48
50
37
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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