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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Rowan, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 23.4°F (-4.8°C) and an average low of 10.8°F (-11.8°C). January, with average temperatures reaching a high of 23.4°F (-4.8°C) and a low of 10.8°F (-11.8°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Rowan, is another freezing cold month, with an average temperature fluctuating between 27.1°F (-2.7°C) and 14.2°F (-9.9°C). The start of February marks an average high-temperature of a still subzero cold 27.1°F (-2.7°C), hardly distinguishable from the conditions in January. Weather in February »
Weather in March
March, the first month of the spring in Rowan, is an icy month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 42.6°F (5.9°C). A clear escalation in the average high-temperature marks the arrival of March, surging from a freezing cold 27.1°F (-2.7°C) in February to an icy 42.6°F (5.9°C). Weather in March »
Weather in April
April is a refreshing spring month in Rowan, Iowa, with an average temperature ranging between max 55.8°F (13.2°C) and min 40.3°F (4.6°C). As April sets, the average high-temperature shows an increase, moving up from a cold 42.6°F (5.9°C) in March to a mild 55.8°F (13.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Rowan, Iowa, with an average temperature varying between 51.8°F (11°C) and 68°F (20°C). Rowan's weather shows a temperature rise with the arrival of May, moving from a refreshing 55.8°F (13.2°C) in April to an agreeable 68°F (20°C). Weather in May »
Weather in June
June, the first month of the summer in Rowan, is a warm month, with an average temperature varying between 61.3°F (16.3°C) and 77.4°F (25.2°C). Observing a rise in June, the average high-temperature goes from May's pleasant 68°F (20°C) to a warm 77.4°F (25.2°C). Weather in June »
Weather in July
July, like June, in Rowan, Iowa, is a moderately hot summer month, with an average temperature varying between 79.7°F (26.5°C) and 63.1°F (17.3°C). July stands out as Rowan's warmest month, with an average high-temperature of 79.7°F (26.5°C) and a low-temperature of 63.1°F (17.3°C). Weather in July »
Weather in August
August, the last month of the summer in Rowan, is another warm month, with an average temperature varying between 60.3°F (15.7°C) and 77.9°F (25.5°C). Rowan observes a minor difference in average high-temperatures between July's 79.7°F (26.5°C) and August's 77.9°F (25.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Rowan, Iowa, with an average temperature ranging between min 54.3°F (12.4°C) and max 72.7°F (22.6°C). Rowan experiences an average high-temperature of an agreeable 72.7°F (22.6°C) in September, subtly different from August's 77.9°F (25.5°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Rowan, Iowa, with an average temperature ranging between min 43.2°F (6.2°C) and max 57.7°F (14.3°C). The average high-temperature exhibits a considerable decrease in October, dropping from a pleasant 72.7°F (22.6°C) in September to a mild 57.7°F (14.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Rowan, Iowa, with an average temperature varying between 30.7°F (-0.7°C) and 43.2°F (6.2°C). The shift into November is characterized by a noticeable reduction in the average high-temperature, decreasing from October's moderate 57.7°F (14.3°C) to a frosty 43.2°F (6.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Rowan, Iowa, with an average temperature varying between 18.3°F (-7.6°C) and 28.8°F (-1.8°C). December brings with it a considerable temperature decrease, with average high-temperatures dropping from November's chilly 43.2°F (6.2°C) to a freezing cold 28.8°F (-1.8°C). Weather in December »
Updated: Jul 20, 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
What month is the coldest?
January brings the lowest temperatures, with an average high of 23.4°F (-4.8°C) and an average low of 10.8°F (-11.8°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.98" (25mm) of precipitation.
How many days does it rain?
In Rowan, during the entire year, the rain falls for 136.3 days and collects up to 26.18" (665mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Rowan, during the entire year, snow falls for 44.7 days and aggregates up to 20.51" (521mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.7h of sunshine.
When is the lowest UV index?
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 9.2 days and typically aggregates up to 5.94" (151mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 18.6 days and accumulates 3.98" (101mm) of precipitation.
When it does not snow?
In Rowan, Iowa, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
When is the highest UV index?
June is the month with the highest UV index, with an average maximum UV index of 6.
What time of the year is the hottest?
The warmest period is July, when temperatures fluctuate between an average high of 79.7°F (26.5°C) and a low of 63.1°F (17.3°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10h of sunshine.
What is the least humid month?
October is the least humid month, with an average relative humidity of 70%.
What is the month with the shortest days in Rowan?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Rowan, IA
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Rowan, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"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 (29.88"Hg).
Average wind speed
Rowan, IA
- Average wind speed in January:
11mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.6mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.8mph - Average wind speed in December:
10.5mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Rowan, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Rowan, IA
- Average rainfall in January:
0.98" - Average rainfall in February:
1.3" - Average rainfall in March:
1.57" - Average rainfall in April:
2.95" - Average rainfall in May:
3.39" - Average rainfall in June:
3.98"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days
Rowan, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
15 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Rowan, IA
- Average snowfall in January:
4.92" - Average snowfall in February:
5.94" - Average snowfall in March:
3.15" - Average snowfall in April:
1.89" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rowan, IA
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
6.9 days - Average snowfall days in April:
2.5 days - Average snowfall days in May:
0.3 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:
0.9 days - Average snowfall days in November:
4.4 days - Average snowfall days in December:
9.7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rowan, IA
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Rowan, IA
- Average sunshine days in January:
18 days - Average sunshine days in February:
16.4 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10 days).
Average UV index
Rowan, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Rowan, IA
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Rowan, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Rowan, Iowa, USA
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