Altoona Washington Climate Data

Monthly Average Climate Data for Altoona Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.6 °F47.9 °F15.83 in.
February37.6 °F50.7 °F9.85 in.
March38.6 °F53.8 °F11.2 in.
April41.2 °F57.4 °F7.81 in.
May45.9 °F62.2 °F4.25 in.
June49.5 °F65.9 °F3.4 in.
July53.5 °F70.5 °F1.07 in.
August53.6 °F72.2 °F1.7 in.
September51.6 °F70.3 °F3.83 in.
October46.3 °F61.6 °F9.6 in.
November41.2 °F52.8 °F15.25 in.
December37.2 °F47.3 °F15.99 in.
Annual44.5 °F59.4 °F99.78 in.

Climate Data for Altoona Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate