Atlantic (IA) Temperature by Month
Atlantic, Iowa, United States of America has an average annual maximum temperature of 16°C (61°F), ranging from 0°C (32°F) in January to 30°C (86°F) in July. Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Atlantic Monthly Temperatures
The climate in Atlantic is dynamic, ranging widely from very cold in winter to comfortable in summer. Nights are significantly colder, with lows dropping from 17°C (63°F) in July to -12°C (10°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Atlantic by month:
The coolest part of the day is typically between 4 AM and 6 AM, while 3 PM is usually the warmest, when solar heating is at its peak.
The chart below shows the average temperature throughout the year:
Temperature: Atlantic vs the United States of America
The map below shows the annual temperature across the United States of America. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Atlantic vs World: Temperature Compared
Atlantic's average annual maximum temperature is 16°C (61°F). To put that in context, here's how it compares to a few well-known destinations:
Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.
Reykjavík, Iceland averages 9°C (48°F) a year — mild summers by Icelandic standards, but cold winters and frequent wind.
Chicago, USA averages 15°C (59°F) annually — known for extreme seasonal swings, from bitterly cold winters to warm summers.
Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Atlantic this rarely lasts long on the ground.
For more on Atlantic's weather — including monthly rainfall, sunshine hours, and humidity — visit our Atlantic climate page.
