When is the best time to go to Iowa City
The chart above shows the best time of year to visit Iowa City, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Iowa City
Iowa City weather by month
Please note our recommendations for when to visit Iowa City are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -2°C | 28mm | 5.6hrs | 10.6hrs |
Cold and dry weather often prevails in Iowa City during the month of January
Based on weather alone, this is probably a time of year to avoid going to Iowa City for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Iowa City and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -12°C (11°F) is normal.
On average January is the driest month of the year in Iowa City with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
Iowa City weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 1°C | 24mm | 6.8hrs | 11.6hrs |
February in Iowa City is generally dry with the temperature being cold.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it a good time to visit Iowa City.
February is in the winter in Iowa City and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 1°C (34°F), whilst at night -9°C (16°F) is normal.
On average February is the 2nd driest month of the year in Iowa City with around 24mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
Iowa City weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 58mm | 7.1hrs | 12.8hrs |
The weather in March in Iowa City is characteristically cool and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Iowa City for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Iowa City and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night -2°C (28°F) is normal.
On average March is the 3rd driest month of the year in Iowa City with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 85mm | 8.1hrs | 14.3hrs |
Iowa City's weather in April is typically mild and a little damp in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Iowa City.
April is in the spring in Iowa City and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 4°C (40°F) is normal.
On average April is the 4th driest month of the year in Iowa City with around 85mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 95mm | 9.7hrs | 15.5hrs |
May is a a little damp month in Iowa City and the temperature is generally mild.
It is perhaps the perfect month to visit Iowa City, with some inordinately good weather at this time of year.
May is in the spring in Iowa City and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 11°C (51°F) is normal.
On average May is the 5th driest month of the year in Iowa City with around 95mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 109mm | 10.8hrs | 10.6hrs |
June in Iowa City is generally damp with the temperature being warm.
It is perhaps a good month to visit Iowa City, with some surprisingly good weather at this time of year.
June is in the summer in Iowa City and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 16°C (60°F) is normal.
On average June is the 6th driest month of the year in Iowa City with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.8 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 102mm | 11hrs | 11.6hrs |
July in Iowa City is generally damp with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Iowa City for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
July is in the summer in Iowa City and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 18°C (65°F) is normal.
On average July is the 6th wettest month of the year in Iowa City with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 11 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 102mm | 10hrs | 12.8hrs |
The weather in August in Iowa City is characteristically warm, humid and damp.
It is perhaps the perfect month to visit Iowa City, with some very good weather at this time of year.
August is in the summer in Iowa City and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 17°C (62°F) is normal.
On average August is the 5th wettest month of the year in Iowa City with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 95mm | 8.3hrs | 14.3hrs |
Iowa City's weather in September is typically warm and a little damp in nature.
It is perhaps the perfect month to visit Iowa City, with some very good weather at this time of year.
September is in the fall / autumn in Iowa City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 12°C (54°F) is normal.
On average September is the 4th wettest month of the year in Iowa City with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
Iowa City weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 62mm | 7.3hrs | 15.5hrs |
October is a reasonably dry month in Iowa City and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it a good time to visit Iowa City.
October is in the fall / autumn in Iowa City and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 6°C (43°F) is normal.
On average October is the 3rd wettest month of the year in Iowa City with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
Iowa City weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 8°C | 51mm | 5hrs | 10.6hrs |
Iowa City's weather in November is typically cool and reasonably dry in nature.
Based on weather alone, this is probably a time of year to avoid going to Iowa City for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in Iowa City and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 9°C (49°F), whilst at night -1°C (30°F) is normal.
On average November is the 2nd wettest month of the year in Iowa City with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
Iowa City weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 1°C | 42mm | 4.6hrs | 11.6hrs |
December in Iowa City is generally reasonably dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Iowa City for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Iowa City and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing 1°C (33°F), whilst at night -9°C (17°F) is normal.
On average December is the wettest month of the year in Iowa City with around 42mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.6 hours of sunshine per day.
Other monthly averages
Iowa City weather stats
| Hottest month: | July | 30°C 86°F |
|---|---|---|
| Driest month: | February | 24mm 0.9ins |
| Sunniest month: | July | 11hrs |
| Coldest month: | January | -2.2°C 28°F |
| Wettest month: | June | 109mm 4.3ins |
| Warmest sea: | August | 20.1°C 68.2°F |
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