Historical Weather in Renton, WA
See 55+ years of weather history for any date in Renton going back to 1970.
Part of Washington weather history · Washington temperature records
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Today in Renton 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 Renton, WA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 77°F / Low: 56°F
Coldest MonthDecemberAvg High: 46°F / Low: 36°F
Jan
47°/ 36°
💧 7.3"
❄️ 1.4"
Feb
50°/ 36°
💧 6.1"
❄️ 1.9"
Mar
54°/ 39°
💧 5.8"
❄️ 1.5"
Apr
59°/ 42°
💧 5.0"
❄️ 0.8"
May
66°/ 48°
💧 4.2"
Jun
71°/ 52°
💧 4.4"
Jul
77°/ 56°
💧 3.7"
Aug
77°/ 56°
💧 4.9"
Sep
71°/ 52°
💧 5.2"
Oct
60°/ 46°
💧 6.7"
❄️ 2.0"
Nov
52°/ 39°
💧 8.2"
❄️ 1.6"
Dec
46°/ 36°
💧 7.5"
❄️ 1.3"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Renton, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Avg high Avg low
Renton, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rain (in) Snow (in)
Renton, WA 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 Renton, WA
Renton, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
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Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal
Renton Temperature Records
- Record High: The hottest temperature ever recorded in Renton, WA is 109°F, set on June 28, 2021.
- Record Low: The coldest temperature ever recorded in Renton, WA is -1°F, set on November 23, 1985.
- Data Coverage: Based on 29 years of data from NOAA weather station: RENTON MUNI AP.
All-Time Record High
109°F
June 28, 2021
All-Time Record Low
-1°F
November 23, 1985
Monthly Temperature Records in Renton
| Month | Record High | Record Low |
|---|---|---|
| January | 67°F(2015) | 4°F(1973) |
| February | 72°F(2015) | 4°F(1989) |
| March | 81°F(2004) | 13°F(1989) |
| April | 89°F(2016) | 25°F(1985) |
| May | 92°F(1983) | 27°F(1982) |
| June | 109°F(2021) | 34°F(1976) |
| July | 105°F(2009) | 40°F(1973) |
| August | 99°F(1981) | 34°F(1980) |
| September | 98°F(1988) | 28°F(1972) |
| October | 89°F(1987) | 24°F(1971) |
| November | 78°F(2010) | -1°F(1985) |
| December | 69°F(1980) | 3°F(1983) |
Renton Snow RecordsSee the top 10 snowiest days ever recorded
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Holiday Weather in Renton
Weather Analysis & Trends
RecordsHottest Temperatures Ever Recorded in Every US StateAll 50 state record highs ranked, including Washington.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.