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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 Dumont, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 10.9°F (-11.7°C) and 23.4°F (-4.8°C). January is the month when Dumont experiences its coldest temperatures, averaging 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
February, the last month of the winter in Dumont, is also a subzero cold month, with an average temperature ranging between max 27.3°F (-2.6°C) and min 14.5°F (-9.7°C). The transition from January to February brings an average high-temperature of a still subzero cold 27.3°F (-2.6°C), barely different from January's 23.4°F (-4.8°C). Weather in February »
Weather in March
March, the first month of the spring in Dumont, is a chilly month, with temperature in the range of an average low of 28.9°F (-1.7°C) and an average high of 42.8°F (6°C). A clear escalation in the average high-temperature is witnessed with the onset of March, advancing from a subzero cold 27.3°F (-2.6°C) in February to a frosty 42.8°F (6°C). Weather in March »
Weather in April
April is a refreshing spring month in Dumont, 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). April's onset witnesses a shift in the average high-temperature, moving from a chilly 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 Dumont, is a comfortable month, with an average temperature fluctuating between 51.6°F (10.9°C) and 67.8°F (19.9°C). The transition to May introduces an increase in the average high-temperature, shifting from a moderate 55.9°F (13.3°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Dumont, Iowa, with an average temperature ranging between min 61.2°F (16.2°C) and max 77.2°F (25.1°C). June's arrival brings a temperature shift, moving from a refreshing 67.8°F (19.9°C) in May to a moderately hot 77.2°F (25.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Dumont, Iowa, with an average temperature ranging between max 79.7°F (26.5°C) and min 63.1°F (17.3°C). Dumont's July weather reaches an average high of 79.7°F (26.5°C) and an average low of 63.1°F (17.3°C), making it the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Dumont, is also a moderately hot month, with an average temperature ranging between min 60.4°F (15.8°C) and max 78.3°F (25.7°C). Dumont notes an average high-temperature of a still moderately hot 78.3°F (25.7°C) in August, hardly diverging from July. Weather in August »
Weather in September
September, the first month of the autumn in Dumont, is still a pleasant month, with an average temperature fluctuating between 54.3°F (12.4°C) and 72.5°F (22.5°C). Dumont's September weather shows a modest shift in high-temperatures, falling from August's warm 78.3°F (25.7°C) to a pleasant 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Dumont, Iowa, is another mild autumn month, with an average temperature fluctuating between 43.2°F (6.2°C) and 57.9°F (14.4°C). As October arrives, a noticeable drop in the average high-temperature is witnessed, moving from an agreeable 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 Dumont, Iowa, with an average temperature fluctuating between 31.1°F (-0.5°C) and 43.5°F (6.4°C). The start of November brings a distinct shift in the average high-temperature, dropping from October's moderate 57.9°F (14.4°C) to a frosty 43.5°F (6.4°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Dumont, Iowa, with an average temperature fluctuating between 29.7°F (-1.3°C) and 19°F (-7.2°C). Dumont in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 43.5°F (6.4°C) in November to a freezing cold 29.7°F (-1.3°C). Weather in December »
Updated: Aug 16, 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?
In Dumont, the lowest temperatures are generally noted in January, averaging a high of 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C).
What is the most humid month?
January is the most humid month in Dumont, with an average relative humidity of 88%.
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 Dumont, 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 much 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?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
What is the month with the lowest UV index?
With an average maximum UV index of 1, January is the month with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 12.4 days and typically aggregates up to 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 wettest month?
June is the month with the most rainfall. Rain falls for 20.2 days and accumulates 4.69" (119mm) of precipitation.
When it does not snow?
In Dumont, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What is the warmest month?
In Dumont, July registers the highest temperatures, averaging 79.7°F (26.5°C) at the peak and 63.1°F (17.3°C) at the lowest.
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 in Dumont?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Dumont, 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
Dumont, 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
Dumont, 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
Dumont, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Dumont, 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
Dumont, 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
Dumont, 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
Dumont, 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
Dumont, 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
Dumont, 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
Dumont, 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
Dumont, 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
Dumont, 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).
Dumont, Iowa, USA
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