Melba, ID

Climate overview — based on NOAA 1991-2020 normals from SWAN FALLS PH, ID US.

BWk Desert (cold) climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

20° 40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Melba has an annual average temperature of 55.2°F with about 7.9 inches of precipitation per year. The warmest month is July (average high 94.6°F), and the coldest is January (average low 25.7°F). May is typically the wettest month (1.31 in) and July the driest (0.19 in).

Annual swing
46.2°F
warmest to coldest month
Heating need
4,617
Cooling need
1,089

Best time to visit Melba

Full guide →

Climate change signal

All-time records →

34 of 366 (9.3%) of Melba'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.

1930s
21
1940s
37
1950s
48
1960s
47
1970s
31
1980s
50
1990s
60
2000s
32
2010s
25
2020s
15

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 41.6°F 25.7°F 33.6°F 0.87 in 9
February 49.0°F 29.2°F 39.1°F 0.59 in 7
March 58.7°F 35.9°F 47.3°F 0.82 in 8
April 65.6°F 41.1°F 53.4°F 0.75 in 8
May 75.2°F 49.7°F 62.4°F 1.31 in 8
June 84.1°F 57.0°F 70.6°F 0.62 in 5
July 94.6°F 65.0°F 79.8°F 0.19 in 2
August 93.3°F 62.6°F 77.9°F 0.19 in 2
September 83.1°F 52.8°F 68.0°F 0.27 in 2
October 68.2°F 41.7°F 55.0°F 0.58 in 5
November 52.0°F 31.2°F 41.6°F 0.80 in 7
December 41.7°F 25.7°F 33.7°F 0.93 in 9

Climate twins of Melba

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

Compare Melba to another city