Meridian, ID All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Meridian, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 109.9°F (43°C) | July 13, 2002 and July 1, 2013 and June 28, 2015 |
| Record Low | -25°F (-32°C) | December 22, 1990 |
| Lowest High | -5.9°F (-21°C) | December 22, 1990 |
| Highest Low | 82°F (28°C) | July 22, 2024 |
| Highest Mean | 94.0°F (34°C) | July 13, 2002 and July 22, 2024 |
| Lowest Mean | -15.4°F (-26°C) | December 22, 1990 |
| Precipitation | ||
| Max in One Calendar Day | 1.77" (45.0 mm) | May 29, 1990 |
| Max in One Month | 4.40" (111.8 mm) | May 1998 |
| Least in One Month | 0.00" (0.0 mm) | September 1974 |
| Max in One Year | 18.81" (477.7 mm) | 1983 |
| Least in One Year | 6.98" (177.4 mm) | 2002 |
| Snowfall | ||
| Max in One Calendar Day | 9.8" (24.9 cm) | December 20, 1996 |
| Max in One Month | 26.3" (66.7 cm) | December 1983 |
| Max in One Season | 39.6" (100.5 cm) | 1985-86 |
| Max in One Year | 44.9" (114.0 cm) | 2008 |
| Earliest Snow | 1.7" (4.3 cm) | October 10, 2008 |
| Earliest Measurable Snow | 1.7" (4.3 cm) | October 10, 2008 |
| Latest Snow | 0.5" (1.3 cm) | May 12, 1970 |
| Latest Measurable Snow | 0.5" (1.3 cm) | May 12, 1970 |
| Period of Record | ||
| Temperature | January 1, 1970 – August 1, 2026 | |
| Precipitation | January 1, 1970 – August 1, 2026 | |
| Snowfall | January 1, 1970 – August 1, 2026 | |
Note: Records compiled from NOAA GHCN-Daily observations at BOISE AIR TERMINAL (9 mi from Meridian, ID). Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.
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Frequently Asked Questions
What is the hottest temperature ever recorded in Meridian, ID?
The all-time record high in Meridian, ID is 109.9°F (43°C), set on July 13, 2002 and July 1, 2013 and June 28, 2015.
What is the coldest temperature ever recorded in Meridian, ID?
The all-time record low in Meridian, ID is -25°F (-32°C), set on December 22, 1990.
What is the most rain Meridian, ID has ever had in one day?
The most precipitation recorded in one calendar day near Meridian, ID is 1.77 inches, on May 29, 1990.
What is the biggest snowfall ever recorded in Meridian, ID?
The most snow recorded in one calendar day near Meridian, ID is 9.8 inches, on December 20, 1996.
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Meridian Weather History
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