Creston, IA

Climate overview — based on NOAA 1991-2020 normals from CRESTON 2 SW, IA US.

Dfa Hot-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

Creston has an annual average temperature of 48.8°F with about 37.9 inches of precipitation per year. The warmest month is July (average high 84.7°F), and the coldest is January (average low 10.6°F). June is typically the wettest month (5.17 in) and January the driest (1.04 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
53.5°F
warmest to coldest month
Heating need
6,462
Cooling need
627

Best time to visit Creston

Full guide →

Climate change signal

All-time records →

22 of 366 (6%) of Creston'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.

1900s
11
1910s
39
1920s
27
1930s
91
1940s
28
1950s
33
1960s
16
1970s
9
1980s
34
1990s
19
2000s
24
2010s
25
2020s
10

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 30.5°F 10.6°F 20.5°F 1.04 in
February 35.1°F 13.8°F 24.5°F 1.46 in
March 48.7°F 25.5°F 37.1°F 2.53 in
April 61.2°F 36.1°F 48.6°F 3.74 in
May 71.3°F 48.8°F 60.1°F 5.15 in
June 80.9°F 59.4°F 70.1°F 5.17 in
July 84.7°F 63.2°F 74.0°F 4.46 in
August 83.0°F 60.7°F 71.8°F 4.23 in
September 76.4°F 51.6°F 64.0°F 3.70 in
October 64.1°F 39.3°F 51.7°F 2.79 in
November 48.4°F 26.2°F 37.3°F 2.14 in
December 35.7°F 16.0°F 25.8°F 1.48 in

Climate twins of Creston

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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