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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 (-10.9°C) and 25°F (-3.9°C). In Rockdale, January is the month with the lowest recorded average temperatures, measuring a high of 25°F (-3.9°C) and a low of 12.4°F (-10.9°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Rockdale, Iowa, with an average temperature fluctuating between 15.3°F (-9.3°C) and 28.6°F (-1.9°C). February brings an average high-temperature of a still freezing cold 28.6°F (-1.9°C), showing a slight difference from January's 25°F (-3.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Rockdale, Iowa, with an average temperature ranging between max 43.3°F (6.3°C) and min 28.4°F (-2°C). March's arrival brings a noticeable temperature shift, escalating from a subzero cold 28.6°F (-1.9°C) in February to a chilly 43.3°F (6.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Rockdale, Iowa, with an average temperature fluctuating between 55.9°F (13.3°C) and 38.8°F (3.8°C). April brings an increase in the average high-temperature, progressing from a chilly 43.3°F (6.3°C) in March to a moderate 55.9°F (13.3°C). Weather in April »
Weather in May
May, the last month of the spring in Rockdale, is a refreshing month, with an average temperature varying between 66.9°F (19.4°C) and 50.2°F (10.1°C). May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 55.9°F (13.3°C) to a comfortable 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Rockdale, Iowa, with an average temperature varying between 59.4°F (15.2°C) and 76.3°F (24.6°C). With the onset of June, Rockdale's average high-temperature experiences a rise, moving from May's enjoyable 66.9°F (19.4°C) to a warm 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Rockdale, Iowa, is a moderately hot summer month, with an average temperature fluctuating between 79.7°F (26.5°C) and 62.8°F (17.1°C). Temperature records mark July as the warmest month, with highs averaging 79.7°F (26.5°C) and lows at 62.8°F (17.1°C). Weather in July »
Weather in August
August, the last month of the summer in Rockdale, is also a moderately hot month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.6°F (25.9°C). In August, Rockdale's weather conditions record an average high-temperature of a still warm 78.6°F (25.9°C), demonstrating little divergence from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Rockdale, is still a pleasant month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 53.2°F (11.8°C). September's onset brings a negligible change in high-temperatures, falling from a warm 78.6°F (25.9°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Rockdale, Iowa, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 58.1°F (14.5°C). October is marked by a significant decrease, with the average high-temperature retreating from a pleasant 72.5°F (22.5°C) in September to a refreshing 58.1°F (14.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Rockdale, is also a frosty month, with an average temperature ranging between max 43.9°F (6.6°C) and min 30.6°F (-0.8°C). November's onset brings a reduction in the average high-temperature, from a mild 58.1°F (14.5°C) in October to a frosty 43.9°F (6.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Rockdale, Iowa, with an average temperature varying between 31.5°F (-0.3°C) and 21°F (-6.1°C). December's arrival comes with a decrease in the average high-temperature, moving from a frosty 43.9°F (6.6°C) in November to a subzero cold 31.5°F (-0.3°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Rockdale?
In Rockdale, January is the month with the lowest recorded average temperatures, measuring a high of 25°F (-3.9°C) and a low of 12.4°F (-10.9°C).
What is the most humid month in Rockdale?
January and February, with an average relative humidity of 87%, are most humid months in Rockdale, Iowa.
What is the driest month in Rockdale?
The months with the least rainfall are January and February Rain falls for 4.8 days and accumulates 1.14" (29mm) of rain.
How much does it rain in Rockdale?
Throughout the year, in Rockdale, there are 135.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.
When does it snow in Rockdale?
January through April, October through December are months with snowfall in Rockdale, Iowa.
When does it snow the most in Rockdale?
January is the month with the most snowfall. Snow falls for 12.8 days and accumulates 4.88" (124mm) of snow.
How many days does it snow in Rockdale?
In Rockdale, during the entire year, snow falls for 43.9 days and aggregates up to 17.09" (434mm) of snow.
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.
What is the month with the lowest UV index in Rockdale?
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Rockdale, Iowa.
When is Daylight Saving Time (DST) in Rockdale?
On Sunday, March 10. 2024, 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 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month in Rockdale?
The months with the most rainfall in Rockdale are May and June, with an average 3.7" (94mm) of precipitation.
When it does not snow in Rockdale?
In Rockdale, snow does not fall in May through September.
When are the longest days in Rockdale?
The month with the longest days in Rockdale, Iowa, 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 in Rockdale.
What is the hottest time of year in Rockdale?
Rockdale's warmest weather arrives in July, when temperatures average a high of 79.7°F (26.5°C) and a low of 62.8°F (17.1°C).
What is the month with the most sunshine in Rockdale?
July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Rockdale.
What is the least humid month in Rockdale?
With an average relative humidity of 76%, October is the least humid month.
What is the month with the shortest days in Rockdale?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
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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