Maynard, IA

Climate overview — based on NOAA 1991-2020 normals from OELWEIN 1E, IA US.

Dfa Hot-summer humid continental climate 6a USDA hardiness Zone 6a

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

Maynard has an annual average temperature of 47.6°F with about 35.4 inches of precipitation per year and 39.3 inches of snow. The warmest month is July (average high 83.1°F), and the coldest is January (average low 8.6°F). June is typically the wettest month (5.43 in) and February the driest (1.06 in). Snow typically falls from October through April.

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
55.5°F
warmest to coldest month
Heating need
6,837
Cooling need
579

Best time to visit Maynard

Full guide →

Climate change signal

All-time records →

229 of 366 (62.6%) of Maynard'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.

2000s
44
2010s
194
2020s
128

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 26.5°F 8.6°F 17.6°F 1.14 in 8.7 in 7
February 30.6°F 11.7°F 21.1°F 1.06 in 10.9 in 6
March 44.5°F 24.4°F 34.4°F 1.93 in 4.4 in 8
April 59.2°F 36.7°F 47.9°F 3.52 in 2.2 in 10
May 71.1°F 48.5°F 59.8°F 4.24 in 0.1 in 12
June 80.7°F 59.8°F 70.2°F 5.43 in 12
July 83.1°F 63.1°F 73.1°F 5.31 in 9
August 81.3°F 60.8°F 71.0°F 3.85 in 10
September 76.1°F 52.1°F 64.1°F 3.38 in 9
October 62.7°F 39.9°F 51.3°F 2.56 in 0.3 in 8
November 46.3°F 26.9°F 36.6°F 1.56 in 1.8 in 6
December 32.8°F 15.9°F 24.3°F 1.38 in 10.9 in 8

Climate twins of Maynard

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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