Union, Iowa Weather Forecast (2024)

FAQs

What is the average temperature in Iowa in May? ›

May's statewide average maximum temperature was 69.3 degrees, 1.5 degrees below normal while the average minimum temperature was 48.7 degrees, 0.6 degree above normal.

Climate of Iowa

Winters are cold, with January temperatures averaging about 14 °F (−10 °C) in the northwestern section of the state and in the low 20s F (about −6 °C) in the southeast. Snowfall is light compared with the amount received in other states to the north and east.

Summers in Iowa are hot and sticky, with daytime highs averaging 90°F from June through August and frequent rain. Humidity levels in the 90 percent range create truly uncomfortable sweaty conditions, but the locals learn to live with it.

The driest month in Des Moines is January with 1.03 inches of precipitation, and with 4.57 inches June is the wettest month.

In 1947, one of the most remarkable weather events in Iowa history occurred when snow fell across most of the state on May 28, with measurable snow across the north and west ranging up to an incredible 10” at Le Mars.

July is the hottest month, and daily temperatures range from morning lows of around 61°F and afternoon highs of 82°F in the northeast corner of the state up to lows of 65°F and highs of 87°F in the southwest.

What is the best time to visit Iowa? The fall season, i.e. the time from early September to late October, is the best time to visit Iowa. Everything, from the pleasant windy weather throughout the day to the economical accommodation prices, makes it the perfect season to explore this state.

The average amount of snow drops considerably in March as well, down to 4.4" from a February average of 10.2".

The cost of living in Iowa is 5% lower than the national average. Housing is 17% lower than the national average, while utilities are 4% lower. When it comes to basic necessities such as food and clothing, groceries are around 3% lower than in the rest of the country, while clothing costs 3% lower.

Is Iowa a good place to live? ›

The crime rate in Iowa is lower than in the rest of America. There are 20% fewer violent crimes and 10% fewer property crimes when compared to national averages. Iowans are comfortable having dogs as a warning system to let the homeowners know someone is coming for a visit.

Daytime high temperatures average in the mid-70s F (23-24 C) with a few of the warmer afternoons reaching into the mid-80s F (28-29 C). Temperatures reach 90 F (32 C) or more only on average, once during this month. The all-time hottest temperature recorded in Los Angeles during May was 102 F (38.9 C).

Iowa usually starts cooling off around mid-September, with temperatures gradually decreasing through October and into the winter months.