Downey, ID

Climate overview — based on NOAA 1991-2020 normals from DOWNEY, ID US.

Dfb Warm-summer humid continental climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Downey has an annual average temperature of 45.6°F with about 15.6 inches of precipitation per year. The warmest month is July (average high 88.6°F), and the coldest is January (average low 14.4°F). May is typically the wettest month (2.29 in) and July the driest (0.96 in).

Annual swing
46.5°F
warmest to coldest month
Heating need
7,218
Cooling need
246

Best time to visit Downey

Full guide →

Climate change signal

All-time records →

221 of 366 (60.4%) of Downey's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
48
1900s
72
2010s
101
2020s
145

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 32.1°F 14.4°F 23.3°F 1.08 in
February 36.6°F 17.7°F 27.2°F 1.06 in
March 47.7°F 24.9°F 36.3°F 1.50 in
April 57.8°F 31.0°F 44.4°F 1.54 in
May 67.1°F 38.1°F 52.6°F 2.29 in
June 77.9°F 43.8°F 60.9°F 1.30 in
July 88.6°F 51.0°F 69.8°F 0.96 in
August 87.7°F 49.0°F 68.4°F 1.01 in
September 76.9°F 40.9°F 58.9°F 1.44 in
October 61.7°F 31.2°F 46.5°F 1.31 in
November 45.9°F 22.9°F 34.4°F 1.08 in
December 33.6°F 16.2°F 24.9°F 1.07 in

Climate twins of Downey

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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