Ottumwa Weather in August
August in Ottumwa typically sees daytime highs of 29°C (84°F) and nighttime lows of 17°C (63°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Ottumwa in August
You can expect rain on around 11 days based on historical patterns, with 129 mm (5.1 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Ottumwa in August
In August, Ottumwa sees high temperatures, with highs of 29°C (84°F). Nights drop to around 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.For Ottumwa itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ottumwa's climate page.
Ottumwa Temperature in August
Min Temperature
17°C (63°F)
Max Temperature
29°C (84°F)
Chance of Rain
37%
Precipitation
129 mm (5.1 in)
Rainy days
11 days
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
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What to Wear in Ottumwa in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Ottumwa in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ottumwa's climate page.
See the full Ottumwa climate overview or explore weather in the United States of America.
