Declo, ID

Climate overview — based on NOAA 1991-2020 normals from BURLEY MUNI AP, ID US.

BSk Semi-arid (cold) climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Declo has an annual average temperature of 49°F with about 10.3 inches of precipitation per year. The warmest month is July (average high 87.9°F), and the coldest is January (average low 21.0°F). May is typically the wettest month (1.69 in) and July the driest (0.26 in).

Annual swing
42.3°F
warmest to coldest month
Heating need
6,093
Cooling need
342

Best time to visit Declo

Full guide →

Climate change signal

All-time records →

47 of 366 (12.8%) of Declo'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.

1940s
7
1950s
62
1960s
39
1970s
33
1980s
43
1990s
98
2000s
24
2010s
27
2020s
33

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 37.4°F 21.0°F 29.2°F 1.05 in 9
February 42.7°F 23.9°F 33.3°F 0.69 in 7
March 53.0°F 29.9°F 41.4°F 1.02 in 8
April 59.5°F 34.8°F 47.1°F 1.09 in 9
May 69.1°F 42.6°F 55.8°F 1.69 in 9
June 78.0°F 48.8°F 63.4°F 0.78 in 5
July 87.9°F 55.1°F 71.5°F 0.26 in 3
August 86.7°F 53.1°F 69.9°F 0.40 in 4
September 76.6°F 45.0°F 60.8°F 0.66 in 4
October 62.6°F 35.7°F 49.1°F 0.80 in 6
November 48.2°F 26.9°F 37.6°F 0.80 in 7
December 37.3°F 21.0°F 29.2°F 1.06 in 9

Climate twins of Declo

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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