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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 Rockdale, Iowa, is another subzero cold winter month, with an average temperature varying between 12.4°F and 25°F. January is the coldest month of the year, registering average temperatures as high as 25°F and as low as 12.4°F. Weather in January »
Weather in February
February, the last month of the winter in Rockdale, is another freezing cold month, with an average temperature ranging between min 15.3°F and max 28.6°F. Rockdale, Iowa, experiences an average high-temperature of a still freezing cold 28.6°F in February, marking an insignificant shift from 25°F in January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Rockdale, Iowa, with an average temperature ranging between max 43.3°F and min 28.4°F. The arrival of March signals a clear increase in the average high-temperature, soaring from a subzero cold 28.6°F in February to a frosty 43.3°F. Weather in March »
Weather in April
April is a mild spring month in Rockdale, Iowa, with an average temperature varying between 55.9°F and 38.8°F. The arrival of April brings a change in Rockdale's weather, with average high-temperatures moving from March's frosty 43.3°F to a moderate 55.9°F. Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Rockdale, Iowa, with an average temperature varying between 50.2°F and 66.9°F. In May, the meteorological conditions change with the average high-temperature moving from a mild 55.9°F in April to a comfortable 66.9°F. Weather in May »
Weather in June
June, the first month of the summer in Rockdale, is a warm month, with an average temperature fluctuating between 76.3°F and 59.4°F. June marks a rise in the average high-temperature, moving from May's refreshing 66.9°F to a warm 76.3°F. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Rockdale, Iowa, with an average temperature ranging between min 62.8°F and max 79.7°F. July, marked by an average high-temperature of 79.7°F and a low-temperature of 62.8°F, is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Rockdale, is also a moderately hot month, with an average temperature fluctuating between 78.6°F and 60.4°F. August's advent notes a subtle adjustment in average high-temperature to a still warm 78.6°F from July. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Rockdale, Iowa, with an average temperature ranging between max 72.5°F and min 53.2°F. The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 78.6°F in August to a pleasant 72.5°F. Weather in September »
Weather in October
October, the same as September, in Rockdale, Iowa, is a moderate autumn month, with an average temperature fluctuating between 58.1°F and 41.9°F. The shift into October brings a noticeable decrease in the average high-temperature, falling from a pleasant 72.5°F in September to a mild 58.1°F. Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Rockdale, Iowa, with an average temperature fluctuating between 30.6°F and 43.9°F. In Rockdale, entering November brings a temperature decrement, reducing from October's refreshing 58.1°F to a frosty 43.9°F. Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Rockdale, Iowa, with an average temperature ranging between min 21°F and max 31.5°F. December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 43.9°F to a freezing cold 31.5°F. Weather in December »
[Resources]FAQ
What are the coldest months in Rockdale?
January tends to be the coldest month in Rockdale, Iowa, with temperatures averaging a daily high of 25°F and a low of 12.4°F.
What are the most humid months in Rockdale?
The months with the highest humidity in Rockdale, Iowa, are January and February, with an average relative humidity of 87%.
What is the driest month in Rockdale?
January and February are months with the least rain when the rain falls for 4.8 days and typically aggregates up to 1.14" of rain.
How much does it rain in Rockdale?
Throughout the year, there are 135.3 rainfall days, and 27.4" of precipitation is accumulated.
When does it snow in Rockdale?
Months with snowfall are January through April, October through December.
When does it snow the most in Rockdale?
The month with the most snowfall in Rockdale, Iowa, is January, when snow falls for 12.8 days and typically aggregates up to 4.88" of snow.
How many days does it snow in Rockdale?
Throughout the year, in Rockdale, there are 43.9 snowfall days, and 17.09" of snow is accumulated.
What is the month with the least sunshine in Rockdale?
With an average of 3.5h of sunshine, January has the least sunshine of the year in Rockdale.
When is the lowest UV index in Rockdale?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Rockdale?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Rockdale, Iowa, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month in Rockdale?
The wettest months are May and June, with an average 3.7" of rainfall.
When it does not snow in Rockdale?
May through September are months without snowfall in Rockdale, Iowa.
When are the longest days in Rockdale?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the month with the highest UV index in Rockdale?
With an average maximum UV index of 6, June is the month with the highest UV index.
What month is the hottest in Rockdale?
With its average high temperature of 79.7°F and a low of 62.8°F, July is regarded as the warmest month.
What are the months with the most sunshine in Rockdale?
The months with the most sunshine are July and August, with an average of 9.7h of sunshine.
What is the least humid month in Rockdale?
With an average relative humidity of 76%, October is the least humid month in Rockdale, Iowa.
What is the month with the shortest days in Rockdale?
The month with the shortest days in Rockdale is December, with an average of 9h and 6min of daylight.
Average temperature
Rockdale, 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 (25°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure
Rockdale, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"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"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Rockdale, IA
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Rockdale, IA
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall
Rockdale, IA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.14" - Average rainfall in March:
1.61" - Average rainfall in April:
2.91" - Average rainfall in May:
3.7" - Average rainfall in June:
3.7"
- Average rainfall in July:
3.27" - Average rainfall in August:
1.73" - Average rainfall in September:
2.6" - Average rainfall in October:
2.56" - Average rainfall in November:
1.65" - Average rainfall in December:
1.38"
The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days
Rockdale, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).
Average snowfall
Rockdale, IA
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Rockdale, IA
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
10 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
2 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:
0.6 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
9 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Rockdale, 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 1min
- Average daylight in July:
14h and 5min - 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 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Rockdale, IA
- Average sunshine days in January:
15.7 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
17 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
17.5 days
The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Rockdale, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Rockdale, IA
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Rockdale, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Rockdale, Iowa, USA
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