Checked
Walnut, IA Climate
1991 to 2020 normals at Atlantic 1 NE, 12 mi from the center of Walnut, elevation 1152 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 31° | 10° | 0.86 in | 5.1 in | |
| February | 36° | 14° | 1.14 in | 7.9 in | |
| March | 50° | 25° | 1.89 in | 3.4 in | |
| April | 63° | 36° | 3.81 in | 0.5 in | |
| May | 73° | 49° | 5.43 in | 0.0 in | |
| June | 83° | 60° | 5.74 in | 0.0 in | |
| July | 86° | 64° | 4.40 in | 0.0 in | |
| August | 84° | 61° | 4.44 in | 0.0 in | |
| September | 78° | 51° | 3.35 in | 0.0 in | |
| October | 65° | 38° | 2.93 in | 0.7 in | |
| November | 49° | 25° | 1.65 in | 2.0 in | |
| December | 36° | 15° | 1.50 in | 7.7 in | |
| Year | 61° | 37.14 in | 27.3 in |
Frequently asked questions
- What is the hottest month in Walnut, IA?
- July is the warmest month, with a normal high of 86°F at Atlantic 1 NE.
- What is the coldest month in Walnut, IA?
- January is the coldest month, with a normal low of 10°F.
- What is the wettest month in Walnut, IA?
- June has the most precipitation on average, about 5.74 inches.