Okoboji (IA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Okoboji.
Climate overview of Okoboji
Temperatures in Okoboji, Iowa, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at -4°C (25°F).
Okoboji sees a moderate amount of rain/snowfall, totalling around 748 mm (29 in) per year. It experiences a distinct dry season from November to March, with warm summers and very cold winters, creating some seasonal variation.
Okoboji Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Okoboji - and find the best time to visit.
Monthly Temperature in Okoboji
The climate in Okoboji is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a very cold -4°C (25°F) during cooler months like January.
At night, you can expect temperatures ranging from 17°C (63°F) in July to around -14°C (7°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Okoboji
Generally, Okoboji receives mid-range precipitation levels, with 748 mm (29 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives high rainfall, averaging 112 mm (4.4 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month January brings less snowfall, with 15 mm (0.6 in) over 6 snowy days. For more details, please visit our Okoboji Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Okoboji
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: July, August and September
- Warmest weather: July
- Fewest rainy days: January, February, March and November
- Climate seasons: a distinct dry season from November to March, with warm summers and very cold winters
- Best for winter weather: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Okoboji
What is the best time to visit Okoboji?
July, August and September typically offer the most optimal weather in Okoboji. In contrast, January, February, March and December tend to have less optimal conditions. Okoboji has a distinct dry season from November to March, with warm summers and very cold winters.
What temperatures can I expect in Okoboji?
Daytime highs range from -4°C (25°F) in January to 29°C (84°F) in July. Nighttime lows range from -14°C (7°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Okoboji get?
Annual rainfall is around 748 mm (29 in). June is the wettest month with 112 mm (4.4 in), while January is the driest with 15 mm (0.6 in).
Okoboji 3-Day Forecast
Okoboji (IA) 3-Day Forecast
Okoboji on the map
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