Michael D Beckwith / CC BY 2.0
Meridian, ID Weather on August 12
August 12th in Meridian, ID typically brings hot summer weather, with average highs around 91°F and lows near 59°F — a 32°F daily swing. Over 55 years of records, the warmest August 12th was in 2015 (89°F average), while the coldest was 1993 (60°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 12th dates historically. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
What to Expect on August 12
Planning for August 12th in Meridian, ID? Stay hydrated and seek shade during peak afternoon hours.
August 12 Weather Records for Meridian
- •The all-time record high for August 12th in Meridian, ID is 103°F, set in 2015.
- •The coldest August 12th on record dropped to 40°F in 1993.
- •Temperatures have reached 90°F or higher on August 12th in 34 of the last 55 years.
- •Last year (1971), August 12th was 5°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest August 12 ever in Meridian?
The warmest August 12 in Meridian, ID reached 103°F in 2015. That is 12°F above the long-term average high of 91°F.
What was the coldest August 12 ever in Meridian?
The coldest August 12 in Meridian, ID dropped to 40°F in 1993. That is 19°F below the long-term average low of 59°F.
What is the average temperature on August 12 in Meridian?
On August 12, Meridian averages a high of 91°F and a low of 59°F based on 55 years of NOAA weather observations from KUNA.
How many years of weather data are available for August 12 in Meridian?
We have 55 years of weather records for August 12 in Meridian, ID, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 12 Weather History in Meridian
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 102°F | 67°F | 0" | -- |
| 2024 | 95°F | 67°F | 0" | -- |
| 2023 | 92°F | 61°F | 0" | -- |
| 2022 | 98°F | 71°F | 0" | -- |
| 2021 | 100°F | 67°F | 0" | -- |
| 2020 | 86°F | 63°F | 0" | -- |
| 2019 | 84°F | 55°F | 0" | -- |
| 2018 | 88°F | 63°F | 0" | -- |
| 2017 | 99°F | 71°F | 0" | -- |
| 2016 | 92°F | 59°F | 0" | -- |
| 2015 | 103°F | 75°F | 0" | -- |
| 2014 | 90°F | 68°F | 0" | -- |
| 2013 | 88°F | 63°F | 0" | -- |
| 2012 | 96°F | 61°F | 0" | -- |
| 2011 | 93°F | 59°F | 0" | -- |
| 2010 | 79°F | 50°F | 0" | -- |
| 2009 | 92°F | 63°F | 0" | -- |
| 2008 | 93°F | 60°F | 0" | -- |
| 2007 | 98°F | 62°F | 0" | -- |
| 2006 | 82°F | 56°F | 0" | -- |
| 2005 | 86°F | 63°F | 0" | -- |
| 2004 | 99°F | 63°F | 0" | -- |
| 2003 | 89°F | 61°F | 0" | -- |
| 2002 | 89°F | 55°F | 0" | -- |
| 2001 | 96°F | 72°F | 0" | -- |
| 2000 | 96°F | 62°F | 0" | -- |
| 1999 | 85°F | 60°F | 0" | -- |
| 1998 | 96°F | 62°F | 0" | -- |
| 1997 | 85°F | 63°F | 0" | -- |
| 1996 | 98°F | 64°F | 0" | -- |
| 1995 | 80°F | 48°F | 0" | -- |
| 1994 | 98°F | 70°F | 0" | -- |
| 1993 | 81°F | 40°F | 0" | -- |
| 1992 | 100°F | 60°F | 0" | -- |
| 1991 | 92°F | 50°F | 0" | -- |
| 1990 | 96°F | 67°F | 0" | -- |
| 1989 | 90°F | 65°F | 0.04" | -- |
| 1988 | 93°F | 55°F | 0" | -- |
| 1987 | 83°F | 47°F | 0" | -- |
| 1986 | 85°F | 56°F | 0" | -- |
| 1985 | 84°F | 43°F | 0" | -- |
| 1984 | 98°F | 65°F | 0" | -- |
| 1983 | 82°F | 47°F | 0" | -- |
| 1982 | 79°F | 43°F | 0" | -- |
| 1981 | 93°F | 50°F | 0" | -- |
| 1980 | 91°F | 49°F | 0" | -- |
| 1979 | 90°F | 64°F | 0" | -- |
| 1978 | 92°F | 53°F | 0" | -- |
| 1977 | 96°F | 53°F | 0" | -- |
| 1976 | 86°F | 52°F | 0" | -- |
| 1975 | 85°F | 48°F | 0" | -- |
| 1974 | 87°F | 49°F | 0" | -- |
| 1973 | 94°F | 53°F | 0" | -- |
| 1972 | 94°F | 58°F | 0" | -- |
| 1971 | 96°F | 49°F | 0" | -- |
Based on 55 years of data from NOAA station: KUNA
Monthly Climate Averages
Historical temperature and precipitation averages for Meridian, ID, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.