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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, like December, is another subzero cold winter month in Alta, Iowa, with an average temperature fluctuating between 12.6°F (-10.8°C) and 24.6°F (-4.1°C). January, with average temperatures reaching a high of 24.6°F (-4.1°C) and a low of 12.6°F (-10.8°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Alta, Iowa, with an average temperature varying between 16.2°F (-8.8°C) and 28.4°F (-2°C). Alta signifies an average high-temperature of a still subzero cold 28.4°F (-2°C) in February, closely mirroring the 24.6°F (-4.1°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Alta, is a chilly month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 44.6°F (7°C). March's arrival is marked by a notable elevation in high-temperatures, rising from a freezing cold 28.4°F (-2°C) in February to a chilly 44.6°F (7°C). Weather in March »
Weather in April
April is a mild spring month in Alta, Iowa, with an average temperature ranging between min 41.2°F (5.1°C) and max 57.2°F (14°C). With the arrival of April, the average high-temperature transitions from a chilly 44.6°F (7°C) in March to a mild 57.2°F (14°C). Weather in April »
Weather in May
May, the last month of the spring in Alta, is an agreeable month, with an average temperature varying between 52.3°F (11.3°C) and 68.9°F (20.5°C). Alta's weather in May shows a rise in the average high-temperature, moving up from April's moderate 57.2°F (14°C) to a pleasant 68.9°F (20.5°C). Weather in May »
Weather in June
June, the first month of the summer in Alta, is a warm month, with an average temperature fluctuating between 62.2°F (16.8°C) and 78.3°F (25.7°C). The arrival of June brings a change in Alta's weather, with average high-temperatures moving from May's pleasant 68.9°F (20.5°C) to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Alta, Iowa, with an average temperature fluctuating between 64°F (17.8°C) and 81.3°F (27.4°C). Alta's July weather, marked by an average high temperature of 81.3°F (27.4°C) and an average low temperature of 64°F (17.8°C), is the warmest in the year. For July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Alta, is another warm month, with an average temperature ranging between max 79°F (26.1°C) and min 61.2°F (16.2°C). An average high-temperature of a still warm 79°F (26.1°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »
Weather in September
September, the first month of the autumn in Alta, is also a moderately hot month, with an average temperature varying between 55.2°F (12.9°C) and 73.9°F (23.3°C). The advent of September presents an average high-temperature of a still warm 73.9°F (23.3°C), maintaining a close correlation with the preceding month. Weather in September »
Weather in October
October, the same as September, in Alta, Iowa, is another refreshing autumn month, with an average temperature varying between 43.2°F (6.2°C) and 58.1°F (14.5°C). Alta, Iowa, in October sees a clear temperature decline, with average high-temperatures decreasing from a moderately hot 73.9°F (23.3°C) in September to a moderate 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Alta, Iowa, with an average temperature varying between 44.2°F (6.8°C) and 31.5°F (-0.3°C). Setting in of November comes with a decrease in the average high-temperature, moving from a moderate 58.1°F (14.5°C) in October to a chilly 44.2°F (6.8°C). Weather in November »
Weather in December
December, the first month of the winter in Alta, is also a subzero cold month, with an average temperature ranging between max 29.3°F (-1.5°C) and min 19.2°F (-7.1°C). In December, the average high-temperature decreases considerably from a chilly 44.2°F (6.8°C) in November to a subzero cold 29.3°F (-1.5°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Alta?
Alta, Iowa, records the coldest temperatures in January, averaging a high of 24.6°F (-4.1°C) and a low of 12.6°F (-10.8°C).
What is the most humid month in Alta?
January is the most humid month, with an average relative humidity of 85%.
What is the driest month in Alta?
The month with the least rainfall in Alta, Iowa, is January, when the rain falls for 4.1 days and typically collects 0.91" (23mm) of precipitation.
How many days does it rain in Alta?
Throughout the year, in Alta, there are 135.1 rainfall days, and 26.73" (679mm) of precipitation is accumulated.
When does it snow in Alta?
Months with snowfall are January through May, October through December.
How many days does it snow in Alta?
In Alta, Iowa, during the entire year, snow falls for 50 days and aggregates up to 20.04" (509mm) of snow.
What is the month with the least sunshine in Alta?
The month with the least sunshine in Alta, Iowa, is January, with an average of 4.1h of sunshine.
What is the month with the lowest UV index in Alta?
The months with the lowest UV index in Alta are January and February, with an average maximum UV index of 1.
What is the snowiest month in Alta?
The month with the most snowfall in Alta is February, when snow falls for 10.7 days and typically aggregates up to 5.79" (147mm) of snow.
When is Daylight Saving Time (DST) in Alta?
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 are the least humid months in Alta?
April and October, with an average relative humidity of 68%, are the least humid months.
What is the wettest month in Alta?
The month with the most rainfall in Alta is June, when the rain falls for 19 days and typically aggregates up to 4.02" (102mm) of precipitation.
When it does not snow in Alta?
June through September are months without snowfall.
When are the longest days in Alta?
With an average of 15h and 18min of daylight, June has the longest days of the year.
When is the highest UV index in Alta?
The months with the highest UV index in Alta, Iowa, are June and July, with an average maximum UV index of 6.
What is the warmest month in Alta?
Alta witnesses the warmest weather in July, with temperatures averaging a high of 81.3°F (27.4°C) and a low of 64°F (17.8°C).
What month has the most sunshine in Alta?
With an average of 10.5h of sunshine, July has the most sunshine of the year in Alta, Iowa.
What is the month with the shortest days in Alta?
The month with the shortest days in Alta, Iowa, is December, with an average of 9h and 6min of daylight.
Average temperature
Alta, IA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (24.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure
Alta, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Alta, IA
- Average wind speed in January:
11.2mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.7mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.7mph - Average wind speed in September:
8.8mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.8mph - Average wind speed in December:
10.8mph
The windiest months (with the highest average wind speed) are January and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity
Alta, IA
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall
Alta, IA
- Average rainfall in January:
0.91" - Average rainfall in February:
1.22" - Average rainfall in March:
1.57" - Average rainfall in April:
2.99" - Average rainfall in May:
3.9" - Average rainfall in June:
4.02"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.72" - Average rainfall in September:
2.32" - Average rainfall in October:
2.28" - Average rainfall in November:
1.06" - Average rainfall in December:
1.5"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Alta, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Alta, IA
- Average snowfall in January:
4.65" - Average snowfall in February:
5.79" - Average snowfall in March:
3.07" - Average snowfall in April:
1.77" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Alta, IA
- Average snowfall days in January:
12.6 days - Average snowfall days in February:
10.7 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
2.3 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:
1.4 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
11.3 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Alta, 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:
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 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 3min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Alta, IA
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
8.1 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index
Alta, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Alta, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Alta, IA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Alta, Iowa, USA
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