Weather in Boise in January
In an average January, Boise sees a daily high around 40°F and a low around 27°F, based on 1980–2026 of local climate records.
| Average high | 40°F |
|---|---|
| Typical high range | 30°F to 49°F |
| Average low | 27°F |
| Typical low range | 15°F to 37°F |
| Average daily precipitation | 0.10 in |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
62°F
2024-01-31
Lowest
10°F
1991-01-04
Low
Highest
48°F
1997-01-01
Lowest
-7°F
2017-01-07
Feels-like
Highest
41°F
2003-01-31
Lowest
-31°F
2017-01-07
Humidity
Highest
8.7 g/m³
2003-01-31
Lowest
0.9 g/m³
1982-01-07
Wind
Highest
27 mph
2008-01-04
Lowest
3 mph
2022-01-17
Gust
Highest
50 mph
2008-01-04
Lowest
5 mph
1984-01-06
Precip
Wettest
3.21 in
1997
Driest
0.31 in
1985
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