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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 Mount Union, Iowa, is a freezing cold winter month, with an average temperature varying between 17.4°F (-8.1°C) and 29.7°F (-1.3°C). With its high average temperature of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C), January is regarded as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Mount Union, Iowa, with an average temperature fluctuating between 34.3°F (1.3°C) and 21°F (-6.1°C). February's weather records an average high-temperature of a cold 34.3°F (1.3°C), showing little deviation from January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Mount Union, Iowa, with an average temperature fluctuating between 33.3°F (0.7°C) and 48.2°F (9°C). Mount Union's transition into March sees a rise in the average high-temperature, advancing from a wintry 34.3°F (1.3°C) in February to a frosty 48.2°F (9°C). Weather in March »
Weather in April
April in Mount Union, Iowa, is a refreshing spring month, with an average temperature fluctuating between 43.3°F (6.3°C) and 60.8°F (16°C). Mount Union's weather in April presents a rise in the average high-temperature, moving from a chilly 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 Mount Union, is a pleasant month, with an average temperature varying between 53.8°F (12.1°C) and 70.9°F (21.6°C). May comes with an increase, with the average high-temperature moving from a refreshing 60.8°F (16°C) in April to a pleasant 70.9°F (21.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Mount Union, Iowa, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.7°F (17.6°C). June signals a shift in the average high-temperature, moving from May's pleasant 70.9°F (21.6°C) to a moderately hot 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Mount Union, Iowa, is another warm summer month, with an average temperature fluctuating between 65.3°F (18.5°C) and 82.4°F (28°C). July, on average, is the warmest month, registering a high temperature of 82.4°F (28°C) and a low of 65.3°F (18.5°C). Throughout July, the heat index is computed to be a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Mount Union, is also a moderately hot month, with an average temperature fluctuating between 81.7°F (27.6°C) and 63.3°F (17.4°C). The shift into August uncovers an average high-temperature of a still warm 81.7°F (27.6°C), subtly different from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Mount Union, Iowa, with an average temperature ranging between max 76.3°F (24.6°C) and min 56.7°F (13.7°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 81.7°F (27.6°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »
Weather in October
October, like September, in Mount Union, Iowa, is another enjoyable autumn month, with an average temperature varying between 61.7°F (16.5°C) and 45.7°F (7.6°C). A clear reduction in the average high-temperature marks the arrival of October, falling from a moderately hot 76.3°F (24.6°C) in September to a refreshing 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 Mount Union, Iowa, with an average temperature ranging between min 34°F (1.1°C) and max 48°F (8.9°C). A shift in the average high-temperature occurs in November, reducing from a comfortable 61.7°F (16.5°C) in October to a frosty 48°F (8.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Mount Union, Iowa, with an average temperature fluctuating between 24.6°F (-4.1°C) and 36°F (2.2°C). Welcoming December, Mount Union observes a shift in the average high-temperature, falling from November's chilly 48°F (8.9°C) to a wintry 36°F (2.2°C). Weather in December »
Updated: Aug 30, 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 is the coldest month?
January, known for its average high temperature of 29.7°F (-1.3°C) and an average low temperature of 17.4°F (-8.1°C), is the coldest month.
How much does it rain?
Throughout the year, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 9.6 days and typically aggregates up to 4.76" (121mm) of snow.
How many days does it snow?
In Mount Union, during the entire year, snow falls for 30.7 days and aggregates up to 15" (381mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4h of sunshine.
When is the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
What is the driest month?
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.
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?
May is the month with the most rainfall in Mount Union. Rain falls for 18.3 days and accumulates 4.29" (109mm) of precipitation.
When it does not snow?
In Mount Union, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Mount Union.
What part of the year is the hottest?
With an average high-temperature of 82.4°F (28°C) and an average low-temperature of 65.3°F (18.5°C), July is the warmest month.
What is the most humid month?
With an average relative humidity of 83%, July is the most humid month.
What month has the most sunshine?
July has the most sunshine of the year, 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 71%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Mount Union, 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
Mount Union, 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
Mount Union, 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
Mount Union, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Mount Union, 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
Mount Union, 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
Mount Union, 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
Mount Union, 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
Mount Union, IA
- Average daylight in January:
9h and 4min - 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 3min - 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 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
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
Mount Union, 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
Mount Union, 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
Mount Union, 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
Mount Union, 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).
Mount Union, Iowa, USA
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