Rexburg, ID

Climate overview — based on NOAA 1991-2020 normals from REXBURG BYU IDAHO, ID US.

BSk Semi-arid (cold) 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

Rexburg has an annual average temperature of 44.8°F with about 12.6 inches of precipitation per year. The warmest month is July (average high 85.0°F), and the coldest is January (average low 14.2°F). May is typically the wettest month (1.81 in) and July the driest (0.59 in).

Annual swing
46.7°F
warmest to coldest month
Heating need
7,446
Cooling need
168

Best time to visit Rexburg

Full guide →

Climate change signal

All-time records →

88 of 366 (24%) of Rexburg'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.

1970s
18
1980s
94
1990s
107
2000s
37
2010s
53
2020s
57

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 29.5°F 14.2°F 21.8°F 1.22 in 11
February 34.1°F 16.9°F 25.5°F 0.78 in 8
March 45.8°F 26.0°F 35.9°F 0.92 in 8
April 56.1°F 33.0°F 44.6°F 1.16 in 9
May 66.0°F 41.0°F 53.5°F 1.81 in 11
June 75.0°F 47.1°F 61.0°F 1.49 in 8
July 85.0°F 52.0°F 68.5°F 0.59 in 5
August 84.1°F 50.2°F 67.1°F 0.70 in 6
September 74.0°F 42.6°F 58.3°F 1.04 in 6
October 58.2°F 33.1°F 45.7°F 1.13 in 8
November 42.1°F 23.7°F 32.9°F 0.71 in 7
December 30.1°F 15.1°F 22.6°F 1.08 in 11

Climate twins of Rexburg

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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