Indianola (IA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Indianola.
Climate overview of Indianola
Indianola, Iowa, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and January dropping to -1°C (30°F).
Rain/snowfall is high, totalling around 1046 mm (41 in) per year. June is the wettest month and January the driest. The city also experiences warm summers and very cold winters. July is the sunniest month, averaging 11.2 hours of sunshine per day.
Indianola Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Indianola - and find the best time to visit.
Monthly Temperature in Indianola
Visitors to Indianola can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in July, the warmest time of the year, to a very cold -1°C (30°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -11°C (12°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Indianola
Indianola is known for its substantial rain/snowfall, with annual precipitation reaching 1046 mm (41 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives heavy rainfall, averaging 166 mm (6.5 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month January brings less snowfall, with 19 mm (0.7 in) over 6 snowy days. For more details, please visit our Indianola Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Indianola
Seasonal changes in sunshine hours are quite dramatic in Indianola. While July receives considerable daily sunshine with up to 11.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Indianola by Month
The relative humidity is high throughout the year in Indianola.
The city experiences its highest humidity in January, reaching 72%. In May, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Indianola
The mean wind speed over the year ranges from 3 m/s (6 knots) in July, August and September to 5 m/s (10 knots) in March and April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Indianola
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: January, February and November
- Wettest period: April, May, June, July, August and September, when rainfall peaks.
- Climate seasons: warm summers and very cold winters
- Best for winter weather: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Indianola
What is the best time to visit Indianola?
September typically offers the most optimal weather in Indianola. In contrast, January, February, March, November and December tend to have less optimal conditions. Indianola has warm summers and very cold winters.
What temperatures can I expect in Indianola?
Daytime highs range from -1°C (30°F) in January to 30°C (86°F) in July. Nighttime lows range from -11°C (12°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Indianola get?
Annual rainfall is around 1046 mm (41 in). June is the wettest month with 166 mm (6.5 in), while January is the driest with 19 mm (0.7 in).
How sunny is Indianola?
Indianola receives around 2,700 hours of sunshine per year. July is the sunniest month with 335 hours, while December is the cloudiest with just 129 hours. Overall, Indianola enjoys abundant sunshine.
Indianola 3-Day Forecast
Indianola (IA) 3-Day Forecast
Indianola on the map
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