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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 Coulter, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 10.9°F (-11.7°C). During the coldest month, January, temperatures average a high of 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Coulter, Iowa, with an average temperature ranging between min 14.5°F (-9.7°C) and max 27.3°F (-2.6°C). Coulter notes an average high-temperature of a still freezing cold 27.3°F (-2.6°C) in February, displaying minor variation from January. Weather in February »
Weather in March
March, the first month of the spring in Coulter, is a frosty month, with an average temperature ranging between min 28.9°F (-1.7°C) and max 42.8°F (6°C). A notable increase in the average high-temperature is observed during March, soaring from a freezing cold 27.3°F (-2.6°C) in February to a chilly 42.8°F (6°C). Weather in March »
Weather in April
April is a moderate spring month in Coulter, Iowa, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 39.9°F (4.4°C). The arrival of April brings an increase in high-temperatures, moving from a frosty 42.8°F (6°C) in March to a refreshing 55.9°F (13.3°C). Weather in April »
Weather in May
May, the last month of the spring in Coulter, is an enjoyable month, with an average temperature fluctuating between 67.8°F (19.9°C) and 51.6°F (10.9°C). As May arrives, Coulter's weather shows an increase in high-temperatures, moving from April's mild 55.9°F (13.3°C) to an enjoyable 67.8°F (19.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Coulter, Iowa, with an average temperature varying between 77.2°F (25.1°C) and 61.2°F (16.2°C). Coulter's weather in June shows a rise in the average high-temperature, moving up from May's comfortable 67.8°F (19.9°C) to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July, like June, in Coulter, Iowa, is a moderately hot summer month, with an average temperature varying between 79.7°F (26.5°C) and 63.1°F (17.3°C). Coulter's temperatures peak on average in July, reaching 79.7°F (26.5°C) at their highest and 63.1°F (17.3°C) at their lowest. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Coulter, Iowa, with an average temperature varying between 60.4°F (15.8°C) and 78.3°F (25.7°C). Coulter experiences an average high-temperature of a still warm 78.3°F (25.7°C) with the onset of August, subtly varied from July's 79.7°F (26.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Coulter, Iowa, with an average temperature fluctuating between 54.3°F (12.4°C) and 72.5°F (22.5°C). A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 78.3°F (25.7°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Coulter, Iowa, is another refreshing autumn month, with an average temperature fluctuating between 43.2°F (6.2°C) and 57.9°F (14.4°C). As Coulter transitions into October, the average high-temperature shows a marked reduction, decreasing from a pleasant 72.5°F (22.5°C) in September to a moderate 57.9°F (14.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Coulter, Iowa, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 43.5°F (6.4°C). November indicates a noticeable reduction in the average high-temperature, moving down from a refreshing 57.9°F (14.4°C) in October to a frosty 43.5°F (6.4°C). Weather in November »
Weather in December
December, the first month of the winter in Coulter, is still a freezing cold month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 29.7°F (-1.3°C). In December, the average high-temperature decreases from a chilly 43.5°F (6.4°C) in November to a subzero cold 29.7°F (-1.3°C). Weather in December »
Updated: Jul 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 part of the year is the coldest?
January stands out as Coulter's coldest month, with temperatures ranging between an average high of 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C).
What is the most humid month?
With an average relative humidity of 88%, January is the most humid month.
What is the driest month?
January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 1.1" (28mm) of precipitation.
How much does it rain?
In Coulter, Iowa, during the entire year, the rain falls for 146.2 days and collects up to 29.69" (754mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, there are 56 snowfall days, and 24.45" (621mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.8h of sunshine, January has the least sunshine of the year in Coulter.
What is the month with the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 12.4 days and accumulates 6.42" (163mm) of snow.
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.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 20.2 days and typically aggregates up to 4.69" (119mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
What is the hottest time of year?
The warmest time of the year is July, with temperatures averaging a high of 79.7°F (26.5°C) and a low of 63.1°F (17.3°C).
What month has the most sunshine?
With an average of 10h of sunshine, July has the most sunshine of the year.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
December has the shortest days of the year in Coulter, with an average of 9h and 6min of daylight.
Average temperature
Coulter, 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 (23.4°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure
Coulter, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"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 (29.88"Hg).
Average wind speed
Coulter, IA
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.8mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.5mph - Average wind speed in October:
10mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.4mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity
Coulter, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Coulter, IA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.34" - Average rainfall in March:
1.81" - Average rainfall in April:
3.35" - Average rainfall in May:
4.25" - Average rainfall in June:
4.69"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.64" - Average rainfall in September:
2.56" - Average rainfall in October:
2.44" - Average rainfall in November:
1.38" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
Coulter, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4 days - Average rainfall days in March:
11 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
20.2 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is February (4 days).
Average snowfall
Coulter, IA
- Average snowfall in January:
5.47" - Average snowfall in February:
6.42" - Average snowfall in March:
3.66" - Average snowfall in April:
2.48" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Coulter, IA
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
12.4 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
2.8 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:
1.3 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
13 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Coulter, 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:
15h and 0min - 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:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Coulter, IA
- Average sunshine days in January:
14.9 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
7.8 days
- Average sunshine days in July:
9.4 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
16 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index
Coulter, IA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Coulter, IA
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Coulter, IA
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Coulter, Iowa, USA
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