Council Bluffs Climate by Month
Council Bluffs, Iowa, United States
Hot summers and freezing winters, with rain spread through the year.
Hot summers and freezing winters, with rain spread through the year: that's Council Bluffs's climate in short. July is the warmest month, with highs around 87°F (31°C); January is the coolest at 34°F (1°C), and nights dip to 15°F (-10°C). About 30 in (769 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, July
- Coldest nights
- 15°F(-10°C)
- Average low, January
- Rain per year
- 30 in(769 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: July
Best and worst months in Council Bluffs
Best for weatherThe most comfortable weather comes in May and September, with highs around 76°F (24°C) and about 3.9 in (99 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 34°F (1°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Council Bluffs weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 34°F(1°C) | 15°F(-10°C) | 0.7 in(19 mm) | 68% | 1.8 |
| FebFebruary | 38°F(4°C) | 19°F(-7°C) | 0.9 in(24 mm) | 75% | 2.7 |
| MarMarch | 51°F(11°C) | 29°F(-1°C) | 1.6 in(41 mm) | 70% | 3.9 |
| AprApril | 63°F(17°C) | 40°F(5°C) | 2.9 in(73 mm) | 61% | 4.7 |
| MayMayBest | 74°F(23°C) | 51°F(11°C) | 4.8 in(122 mm) | 62% | 5.5 |
| JunJune | 83°F(28°C) | 62°F(17°C) | 4.7 in(119 mm) | 66% | 6.2 |
| JulJuly | 87°F(31°C) | 66°F(19°C) | 3.5 in(89 mm) | 70% | 6.3 |
| AugAugust | 85°F(29°C) | 64°F(18°C) | 3.7 in(93 mm) | 73% | 5.6 |
| SepSeptemberBest | 78°F(26°C) | 55°F(13°C) | 3.0 in(76 mm) | 68% | 4.7 |
| OctOctober | 65°F(18°C) | 42°F(6°C) | 2.3 in(58 mm) | 64% | 3.1 |
| NovNovember | 49°F(10°C) | 29°F(-1°C) | 1.1 in(29 mm) | 73% | 2.1 |
| DecDecember | 36°F(2°C) | 19°F(-7°C) | 1.0 in(26 mm) | 78% | 1.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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