Climate and monthly weather forecastRome, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Rome, Iowa, is a freezing cold winter month, with an average temperature ranging between max 29.7°F (-1.3°C) and min 17.4°F (-8.1°C). Rome's coldest month, January, registers temperatures that range from a high of 29.7°F (-1.3°C) to a low of 17.4°F (-8.1°C). Weather in January »Weather in February
February, the last month of the winter in Rome, is an icy month, with an average temperature varying between 21°F (-6.1°C) and 34.3°F (1.3°C). Rome's transition from January to February introduces an average high-temperature of an icy 34.3°F (1.3°C), marking an insignificant variation from the 29.7°F (-1.3°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Rome, Iowa, with an average temperature fluctuating between 33.3°F (0.7°C) and 48.2°F (9°C). March signals a shift in the average high-temperature, moving from February's cold 34.3°F (1.3°C) to a chilly 48.2°F (9°C). Weather in March »Weather in April
April in Rome, Iowa, is a refreshing spring month, with an average temperature ranging between min 43.3°F (6.3°C) and max 60.8°F (16°C). The arrival of April signals an increase in the average high-temperature, moving from a frosty 48.2°F (9°C) in March to a comfortable 60.8°F (16°C). Weather in April »Weather in May
May, the last month of the spring in Rome, is a pleasant month, with an average temperature varying between 53.8°F (12.1°C) and 70.9°F (21.6°C). May's arrival coincides with a temperature rise, moving from April's refreshing 60.8°F (16°C) to a pleasant 70.9°F (21.6°C). Weather in May »Weather in June
June, the first month of the summer in Rome, is a warm month, with an average temperature varying between 63.7°F (17.6°C) and 79.9°F (26.6°C). The shift from May to June brings an increase in the average high-temperature, moving from an agreeable 70.9°F (21.6°C) to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Rome, Iowa, with an average temperature ranging between max 82.4°F (28°C) and min 65.3°F (18.5°C). The temperatures reach their highest averages in July, with highs of 82.4°F (28°C) and lows of 65.3°F (18.5°C). The heat index value for July is estimated at a hot 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Rome, Iowa, with an average temperature ranging between min 63.3°F (17.4°C) and max 81.7°F (27.6°C). Shifting into August, Rome records an average high-temperature of a still warm 81.7°F (27.6°C), presenting minor fluctuations compared to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Rome, is also a moderately hot month, with an average temperature varying between 56.7°F (13.7°C) and 76.3°F (24.6°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from 81.7°F (27.6°C) in August to a still warm 76.3°F (24.6°C). Weather in September »Weather in October
October, like September, in Rome, Iowa, is another refreshing autumn month, with an average temperature varying between 45.7°F (7.6°C) and 61.7°F (16.5°C). October signals a clear decrease in the average high-temperature, dropping from September's warm 76.3°F (24.6°C) to an enjoyable 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Rome, Iowa, with temperature in the range of an average high of 48°F (8.9°C) and an average low of 34°F (1.1°C). The commencement of November indicates a shift in the average high-temperature, receding from October's comfortable 61.7°F (16.5°C) to a frosty 48°F (8.9°C). Weather in November »Weather in December
December, the first month of the winter in Rome, is also a wintry month, with an average temperature varying between 24.6°F (-4.1°C) and 36°F (2.2°C). In Rome, the average high-temperature in December decreases from a frosty 48°F (8.9°C) in November to a wintry 36°F (2.2°C). Weather in December »Updated: Jun 7, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest temperatures in Rome occur during January, when averages reach a peak of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C).
Throughout the year, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 9.6 days and accumulates 4.76" (121mm) of snow.
In Rome, during the entire year, snow falls for 30.7 days and aggregates up to 15" (381mm) of snow.
With an average of 4h of sunshine, January has the least sunshine of the year.
January is the month with the lowest UV index, with an average maximum UV index of 1.
February and December are months with the least rain when the rain falls for 4.6 days and typically aggregates up to 1.38" (35mm) of rain.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 4.29" (109mm) of precipitation.
In Rome, snow does not fall in May through September.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
In Rome, the average highest temperatures are observed in July, with a high of 82.4°F (28°C) and a low of 65.3°F (18.5°C).
With an average relative humidity of 83%, July is the most humid month.
July has the most sunshine of the year, with an average of 10h of sunshine.
With an average relative humidity of 71%, October is the least humid month.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Rome, IA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Rome, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Rome, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity
Rome, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Rome, IA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.38" - Average rainfall in March:
2.2" - Average rainfall in April:
3.27" - Average rainfall in May:
4.29" - Average rainfall in June:
4.17"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days
Rome, IA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Rome, IA
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Rome, IA
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Rome, IA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days
Rome, IA
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index
Rome, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Rome, IA
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Rome, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
