Last updated: June 24, 2025
In Ottumwa, United States, the average temperature in June hovers around 24°C (75°F), providing a pleasant climate. However, be prepared for a range of temperatures, as it can dip to a minimum of 10°C (50°F) and soar to a maximum of 38°C (101°F). Expect some moisture in the air, with an average humidity level of 81% and about 137 mm (5.4 in) of precipitation spread over 10 days. Whether you enjoy warm sunshine or the occasional rain, there's something for everyone during this vibrant month!
In June in Ottumwa, the average temperature is 24°C (75°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 10°C (50°F). It's an ideal time for travelers seeking mild weather, but remember to pack for both heat and cooler evenings.
In Ottumwa in June, the precipitation amount is 137 mm (5.4 in) over the course of 10 days.
In Ottumwa in June humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.
In Ottumwa in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Ottumwa.
UV Risk Categories
Weather in Ottumwa varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Ottumwa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 50 mm (2.0 inches) | 78% | moderate |
| February Weather | -3°C (27°F) | 50 mm (2.0 inches) | 80% | moderate |
| March Weather | 5°C (41°F) | 93 mm (3.7 inches) | 77% | high |
| April Weather | 10°C (51°F) | 77 mm (3.0 inches) | 77% | very high |
| May Weather | 17°C (64°F) | 151 mm (5.9 inches) | 77% | very high |
| June Weather | 24°C (75°F) | 137 mm (5.4 inches) | 81% | extreme |
| July Weather | 25°C (78°F) | 74 mm (2.9 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 75 mm (3.0 inches) | 77% | very high |
| September Weather | 21°C (69°F) | 129 mm (5.1 inches) | 73% | very high |
| October Weather | 12°C (54°F) | 125 mm (4.9 inches) | 75% | high |
| November Weather | 4°C (40°F) | 53 mm (2.1 inches) | 85% | moderate |
| December Weather | 0°C (33°F) | 40 mm (1.6 inches) | 83% | moderate |