Castleford, ID

Climate overview — based on NOAA 1991-2020 normals from CASTLEFORD 2 N, ID US.

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

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

Castleford has an annual average temperature of 48.1°F with about 10.7 inches of precipitation per year. The warmest month is July (average high 87.9°F), and the coldest is December (average low 19.2°F). May is typically the wettest month (1.43 in) and July the driest (0.24 in).

Annual swing
43.6°F
warmest to coldest month
Heating need
6,375
Cooling need
291

Best time to visit Castleford

Full guide →

Climate change signal

All-time records →

21 of 366 (5.7%) of Castleford'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.

1960s
63
1970s
83
1980s
48
1990s
67
2000s
68
2010s
34
2020s
3

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 36.1°F 20.3°F 28.2°F 1.22 in
February 42.1°F 23.1°F 32.6°F 1.05 in
March 52.9°F 28.3°F 40.6°F 0.96 in
April 60.1°F 32.9°F 46.5°F 1.21 in
May 69.5°F 40.6°F 55.0°F 1.43 in
June 78.4°F 47.1°F 62.8°F 0.75 in
July 87.9°F 53.8°F 70.8°F 0.24 in
August 85.9°F 51.9°F 68.9°F 0.34 in
September 76.3°F 44.2°F 60.2°F 0.50 in
October 62.0°F 34.8°F 48.4°F 0.78 in
November 46.5°F 25.6°F 36.0°F 0.94 in
December 35.3°F 19.2°F 27.2°F 1.30 in

Climate twins of Castleford

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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