Pleasant Hill (IA) Weather & Climate: Best Time to Visit

In Pleasant Hill, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 30°C (86°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).

At night, temperatures range from around 19°C (66°F) in July to -11°C (12°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Pleasant Hill receives a reasonable amount of rain/snowfall, with an annual precipitation of 941 mm (37 in). Pleasant Hill can be quite wet during June, receiving approximately 153 mm (6 in) of precipitation over 13 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 19 mm (0.7 in) of precipitation spread across 6 snowy days. For more details, please visit our Pleasant Hill Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Pleasant Hill can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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

The relative humidity is high throughout the year in Pleasant Hill.

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

The average wind speed over the year ranges from 3 m/s (6 knots) to 5 m/s (10 knots). It is lower in July, August and September and higher in March and April. What does this mean?

The mean monthly wind speed over the year (meters per second)