Meridian Idaho Annual Rainfall

Meridian, Idaho, located in the Treasure Valley, is known for its mild climate. The average annual rainfall in Meridian is 12.2 inches (310 mm). This amount of precipitation is slightly above the national average of 11.7 inches (298 mm) for the contiguous United States.

Rainfall in Meridian is distributed unevenly throughout the year. The wettest season is winter, with an average of 3.7 inches (94 mm) of precipitation occurring between December and February. In contrast, the driest season is summer, with an average of 1.1 inches (28 mm) of precipitation occurring between June and August.

The amount of rainfall in Meridian can vary from year to year. For example, the average annual precipitation in Meridian between 2014 and 2018 was 11.7 inches (298 mm). However, in 2019, the total rainfall was 19.3 inches (490 mm), making it the wettest year on record.

The amount of rainfall in Meridian can also be affected by weather patterns. For example, the city experienced an unusually dry year in 2015, with only 8.5 inches (216 mm) of precipitation. This was largely due to the El Niño weather pattern, which caused warm temperatures and dry conditions.

In addition to the average annual rainfall, Meridian also experiences occasional snowfall. The average snowfall in Meridian is 11.2 inches (283 mm) per year. Most of the snowfall occurs between December and February, with an average of 7.3 inches (185 mm) of snowfall occurring during those months.

Overall, the amount of rainfall in Meridian can vary from year to year, depending on weather patterns. However, the average annual precipitation in Meridian is 12.2 inches (310 mm), which is slightly above the national average of 11.7 inches (298 mm).