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Weather Almanac: Iliamna, AK 99606

🗓️ Historical norms for May

April June
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
May avg. precipitation
🌧️ 1.17"
May days below freezing
📉 ≈5.1 days
Average May lows 34°F – 39°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Jun 4
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First Fall Frost (36°F)
🍂 Sep 9
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📚 The Timber Press Guide to Vegetable Gardening in the Pacific Northwest

F: Forecast
H: Normal High Temp
L: Normal Low Temp
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: ILIAMNA AP (USW00025506)

Precipitation climatic data from weather station: ILIAMNA AP (USW00025506)

Agricultural climatic data from weather station: ILIAMNA AP (USW00025506)