Historical Weather in Meridian, ID
See 55+ years of weather history for any date in Meridian going back to 1970.
Part of Idaho weather history · Idaho temperature records
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Today in Meridian Weather HistorySee records, averages, and 55+ years of data for today's date
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Monthly Climate Averages
Historical temperature and precipitation averages for Meridian, ID, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 91°F / Low: 58°F
Coldest MonthJanuaryAvg High: 37°F / Low: 22°F
Jan
37°/ 22°
💧 3.3"
❄️ 1.1"
Feb
45°/ 27°
💧 3.0"
❄️ 1.0"
Mar
55°/ 32°
💧 4.1"
❄️ 0.8"
Apr
63°/ 37°
💧 3.9"
❄️ 0.6"
May
72°/ 44°
💧 4.4"
❄️ 0.7"
Jun
82°/ 51°
💧 3.9"
Jul
91°/ 58°
💧 3.3"
Aug
89°/ 56°
💧 3.2"
Sep
79°/ 48°
💧 4.0"
Oct
65°/ 39°
💧 3.7"
❄️ 0.8"
Nov
49°/ 30°
💧 3.5"
❄️ 1.1"
Dec
38°/ 23°
💧 3.4"
❄️ 1.1"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Meridian, ID Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Avg high Avg low
Meridian, ID Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rain (in) Snow (in)
Meridian, ID Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
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Best Time to Visit Meridian, ID
Meridian, ID has no months that meet our "pleasant" threshold — every season has tradeoffs.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal
Meridian Temperature Records
- Record High: The hottest temperature ever recorded in Meridian, ID is 110°F, set on July 13, 2002.
- Record Low: The coldest temperature ever recorded in Meridian, ID is -25°F, set on December 22, 1990.
- Data Coverage: Based on 57 years of data from NOAA weather station: BOISE AIR TERMINAL.
All-Time Record High
110°F
July 13, 2002
All-Time Record Low
-25°F
December 22, 1990
Monthly Temperature Records in Meridian
| Month | Record High | Record Low |
|---|---|---|
| January | 66°F(2024) | -18°F(1979) |
| February | 71°F(1992) | -16°F(1989) |
| March | 82°F(1978) | 2°F(2022) |
| April | 94°F(1977) | 13°F(2011) |
| May | 100°F(2025) | 18°F(2022) |
| June | 110°F(2015) | 26°F(2002) |
| July | 110°F(2003) | 33°F(2000) |
| August | 110°F(2018) | 33°F(2010) |
| September | 104°F(2022) | 23°F(1970) |
| October | 95°F(1992) | 5°F(2002) |
| November | 78°F(1999) | -10°F(1985) |
| December | 65°F(2012) | -25°F(1990) |
Meridian Snow RecordsSee the top 10 snowiest days ever recorded
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Holiday Weather in Meridian
Weather Analysis & Trends
RecordsHottest Temperatures Ever Recorded in Every US StateAll 50 state record highs ranked, including Idaho.Severe WeatherTornado Season 2026: Forecasts & What to ExpectAn EF5 already, and the peak still ahead.Climate ForecastEl Niño 2026: What Every US Region Should Expect85% likely by late 2026. Region-by-region impact analysis.