Humboldt, IA

Climate overview — based on NOAA 1991-2020 normals from HUMBOLDT WTP, 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

Humboldt has an annual average temperature of 46.2°F with about 35 inches of precipitation per year. The warmest month is July (average high 81.1°F), and the coldest is January (average low 8.5°F). June is typically the wettest month (5.48 in) and January the driest (0.91 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
55.7°F
warmest to coldest month
Heating need
7,230
Cooling need
453

Best time to visit Humboldt

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Humboldt'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.

1990s
92
2000s
274

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 24.4°F 8.5°F 16.4°F 0.91 in
February 29.3°F 12.4°F 20.8°F 1.04 in
March 42.7°F 24.6°F 33.6°F 2.02 in
April 57.2°F 35.6°F 46.4°F 3.30 in
May 68.3°F 48.6°F 58.4°F 4.80 in
June 77.8°F 59.3°F 68.5°F 5.48 in
July 81.1°F 63.1°F 72.1°F 4.15 in
August 78.8°F 60.2°F 69.5°F 4.55 in
September 72.5°F 51.2°F 61.8°F 3.33 in
October 60.1°F 39.1°F 49.6°F 2.45 in
November 43.4°F 26.1°F 34.7°F 1.61 in
December 29.8°F 14.8°F 22.3°F 1.32 in

Climate twins of Humboldt

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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