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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 Missouri Valley, Iowa, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 15.3°F (-9.3°C). In Missouri Valley, January records the lowest average temperatures, peaking at 28.9°F (-1.7°C) and reaching a low of 15.3°F (-9.3°C). Weather in January »
Weather in February
February, the last month of the winter in Missouri Valley, is a wintry month, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 18.9°F (-7.3°C). The average high-temperature during February is a cold 33.1°F (0.6°C), almost matching the conditions of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Missouri Valley, Iowa, with an average temperature ranging between max 48.7°F (9.3°C) and min 32.9°F (0.5°C). Missouri Valley's transition into March is marked by a clear rise in the average high-temperature, advancing from an icy 33.1°F (0.6°C) in February to a frosty 48.7°F (9.3°C). Weather in March »
Weather in April
April in Missouri Valley, Iowa, is a refreshing spring month, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 42.6°F (5.9°C). As April arrives, Missouri Valley's weather shows an increase in high-temperatures, moving from March's chilly 48.7°F (9.3°C) to a moderate 60.6°F (15.9°C). Weather in April »
Weather in May
May, the last month of the spring in Missouri Valley, is an agreeable month, with an average temperature ranging between min 53.6°F (12°C) and max 70.9°F (21.6°C). As May begins, there is an increase in the average high-temperature, moving from a mild 60.6°F (15.9°C) in April to a pleasant 70.9°F (21.6°C). Weather in May »
Weather in June
June, the first month of the summer in Missouri Valley, is a moderately hot month, with an average temperature ranging between max 81°F (27.2°C) and min 63.9°F (17.7°C). In Missouri Valley, the average high-temperature in June rises, from a pleasant 70.9°F (21.6°C) in May, to a warm 81°F (27.2°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Missouri Valley, Iowa, with an average temperature varying between 84.2°F (29°C) and 65.5°F (18.6°C). July is the warmest month, with the temperature often reaching an average high of 84.2°F (29°C) and an average low of 65.5°F (18.6°C). For July, the heat index is appraised at a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Missouri Valley, Iowa, with an average temperature fluctuating between 62.4°F (16.9°C) and 82°F (27.8°C). Missouri Valley's August average high-temperature settles at a still warm 82°F (27.8°C), showing a near match with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Missouri Valley, is still a warm month, with an average temperature fluctuating between 76.8°F (24.9°C) and 56.5°F (13.6°C). The arrival of September denotes a barely perceptible change in the average high-temperatures to a still moderately hot 76.8°F (24.9°C) from August's 82°F (27.8°C). Weather in September »
Weather in October
October, like September, in Missouri Valley, Iowa, is another comfortable autumn month, with an average temperature ranging between max 61°F (16.1°C) and min 45°F (7.2°C). The shift from September to October sees a distinct decrease in the average high-temperature, dropping from a moderately hot 76.8°F (24.9°C) to a refreshing 61°F (16.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Missouri Valley, Iowa, with an average temperature varying between 32.9°F (0.5°C) and 47.7°F (8.7°C). Missouri Valley experiences a temperature shift at the start of November, with average high-temperatures adjusting from an enjoyable 61°F (16.1°C) in October to a chilly 47.7°F (8.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Missouri Valley, Iowa, with an average temperature fluctuating between 33.3°F (0.7°C) and 21.4°F (-5.9°C). A shift in Missouri Valley's weather is observed as November turns into December, with the average high temperature reducing from a frosty 47.7°F (8.7°C) to a cold 33.3°F (0.7°C). Weather in December »
Updated: Jun 19, 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 are the coldest months?
Missouri Valley records the coldest temperatures in January, averaging a high of 28.9°F (-1.7°C) and a low of 15.3°F (-9.3°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 81%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 2.4 days and typically collects 0.39" (10mm) of precipitation.
How much does it rain?
Throughout the year, there are 108.1 rainfall days, and 16.1" (409mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
How much does it snow?
In Missouri Valley, during the entire year, snow falls for 27.6 days and aggregates up to 7.28" (185mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.6h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 6.8 days and accumulates 1.85" (47mm) of snow.
When is Daylight Saving Time (DST) in Missouri Valley?
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.
When it does not snow?
May through September are months without snowfall.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 14.3 days and accumulates 2.68" (68mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
The temperatures reach their highest averages in July, with highs of 84.2°F (29°C) and lows of 65.5°F (18.6°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the least humid month in Missouri Valley?
October is the least humid month, with an average relative humidity of 66%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Missouri Valley, IA
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure
Missouri Valley, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Missouri Valley, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.5mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.2mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity
Missouri Valley, IA
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Missouri Valley, IA
- Average rainfall in January:
0.39" - Average rainfall in February:
0.51" - Average rainfall in March:
1.02" - Average rainfall in April:
1.3" - Average rainfall in May:
2.6" - Average rainfall in June:
2.68"
- Average rainfall in July:
1.5" - Average rainfall in August:
2.01" - Average rainfall in September:
1.38" - Average rainfall in October:
1.38" - Average rainfall in November:
0.43" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Missouri Valley, IA
- Average rainfall days in January:
2.4 days - Average rainfall days in February:
2.9 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
11.4 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
4.8 days - Average rainfall days in December:
3.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (2.4 days).
Average snowfall
Missouri Valley, IA
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Missouri Valley, IA
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.9 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 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:
1.7 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Missouri Valley, 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 1min
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 12min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Missouri Valley, IA
- Average sunshine days in January:
21.3 days - Average sunshine days in February:
19.4 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
16.4 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
22.7 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is May (13.1 days).
Average UV index
Missouri Valley, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Missouri Valley, IA
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Missouri Valley, IA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Missouri Valley, Iowa, USA
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