Meridian (ID) Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to chilly in Meridian. Average daytime temperatures reach a very warm 34°C (93°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).

At night, temperatures range from around 16°C (61°F) in July to -5°C (23°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Meridian has a relatively dry climate with low precipitation, averaging 283 mm (11 in) of rain/snowfall annually. Meridian can be quite wet during December, receiving approximately 44 mm (1.7 in) of precipitation over 13 snowy/rainy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 4.9 mm (0.2 in) of precipitation spread across 2 rainy days days. For more details, please visit our Meridian Precipitation page.

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

The average number of days each month with precipitation

Meridian can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 13.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.4 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 moderate throughout the year in Meridian.

The city experiences its highest humidity in January, reaching 75%. In July, the humidity drops to its lowest level at 36%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year