Weather history and climate summary information is available for the following locations:
- Boise
- Mountain Home
- Pocatello
Warmest March Days
The warmest March days in Idaho are:
| Boise, Idaho | 1978 | 81°F |
| Boise, Idaho | 2004 | 79°F |
| Boise, Idaho | 1997 | 79°F |
| Mountain Home, Idaho | 1988 | 79°F |
| Mountain Home, Idaho | 1966 | 78.1°F |
Coldest March Days
The coldest March days in Idaho were:
| Pocatello, Idaho | 1985 | -11.9°F |
| Pocatello, Idaho | 1993 | -8°F |
| Pocatello, Idaho | 2002 | -7.1°F |
| Pocatello, Idaho | 1984 | -2.9°F |
| Mountain Home, Idaho | 1976 | 1.2°F |
Wettest March Days
The wettest single days in March occurred:
| Boise, Idaho | 1973 | 3.9 inches |
| Pocatello, Idaho | 1973 | 3.5 inches |
| Boise, Idaho | 1981 | 1.6 inches |
| Mountain Home, Idaho | 1993 | 1.3 inches |
| Pocatello, Idaho | 1990 | 1.2 inches |