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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 Barnum, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 12.4°F (-10.9°C) and 25°F (-3.9°C). January proves to be the coldest month, recording an average maximum temperature of 25°F (-3.9°C) and a minimum temperature of 12.4°F (-10.9°C). Weather in January »
Weather in February
February, the last month of the winter in Barnum, is another freezing cold month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 15.6°F (-9.1°C). February experiences an average high-temperature of a still subzero cold 28.8°F (-1.8°C), barely different from January's 25°F (-3.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Barnum, Iowa, with an average temperature ranging between min 30.6°F (-0.8°C) and max 44.2°F (6.8°C). The transition from February to March brings a clear temperature rise, with average high-temperatures increasing from a subzero cold 28.8°F (-1.8°C) to a frosty 44.2°F (6.8°C). Weather in March »
Weather in April
April is a mild spring month in Barnum, Iowa, with an average temperature varying between 57.7°F (14.3°C) and 41.4°F (5.2°C). Barnum's April weather brings a rise in high-temperatures, moving from a chilly 44.2°F (6.8°C) in March to a refreshing 57.7°F (14.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Barnum, Iowa, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 69.3°F (20.7°C). A shift in the average high-temperature is noticeable in May, changing from a mild 57.7°F (14.3°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Barnum, Iowa, with an average temperature fluctuating between 62.4°F (16.9°C) and 78.4°F (25.8°C). In June, the meteorological conditions change with the average high-temperature moving from an agreeable 69.3°F (20.7°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Barnum, Iowa, is a moderately hot summer month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 63.7°F (17.6°C). Barnum witnesses the warmest weather in July, with temperatures averaging a high of 81°F (27.2°C) and a low of 63.7°F (17.6°C). The heat index in July is evaluated at a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Barnum, Iowa, with an average temperature varying between 79.2°F (26.2°C) and 61.2°F (16.2°C). The advent of August sees the average high-temperature at a still moderately hot 79.2°F (26.2°C), subtly shifted from July's 81°F (27.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Barnum, Iowa, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 54.9°F (12.7°C). September denotes a minimal variation in the average high-temperature to a still moderately hot 74.1°F (23.4°C) from August's 79.2°F (26.2°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Barnum, Iowa, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 58.8°F (14.9°C). A distinct shift in the average high-temperature is signaled in October, moving down from a moderately hot 74.1°F (23.4°C) in September to a moderate 58.8°F (14.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Barnum, is also a frosty month, with an average temperature varying between 44.8°F (7.1°C) and 31.5°F (-0.3°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a moderate 58.8°F (14.9°C) to a chilly 44.8°F (7.1°C). Weather in November »
Weather in December
December, the first month of the winter in Barnum, is also a subzero cold month, with temperature in the range of an average low of 19.4°F (-7°C) and an average high of 30°F (-1.1°C). December signals a clear temperature drop, with average high-temperatures decreasing from November's chilly 44.8°F (7.1°C) to a freezing cold 30°F (-1.1°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Barnum?
January, having an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 12.4°F (-10.9°C), is the coldest month.
What is the most humid month in Barnum?
With an average relative humidity of 85%, January is the most humid month in Barnum, Iowa.
What is the driest month in Barnum?
January is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.24" (6mm) of precipitation.
How many days does it rain in Barnum?
In Barnum, during the entire year, the rain falls for 84.6 days and collects up to 7.91" (201mm) of precipitation.
When does it snow in Barnum?
Months with snowfall are January through April, October through December.
How much does it snow in Barnum?
Throughout the year, there are 29.4 snowfall days, and 3.62" (92mm) of snow is accumulated.
What is the month with the least sunshine in Barnum?
The month with the least sunshine is January, with an average of 4h of sunshine.
When is the lowest UV index in Barnum?
January and February, with an average maximum UV index of 1, are months with the lowest UV index in Barnum, Iowa.
When does it snow the most in Barnum?
The month with the most snowfall in Barnum is February, when snow falls for 7.9 days and typically aggregates up to 1.38" (35mm) of snow.
When is Daylight Saving Time (DST) in Barnum?
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 Barnum?
The months with the lowest humidity in Barnum, Iowa, are April and October, with an average relative humidity of 68%.
What is the wettest month in Barnum?
May is the month with the most rainfall in Barnum, Iowa. Rain falls for 11.8 days and accumulates 1.34" (34mm) of precipitation.
When it does not snow in Barnum?
In Barnum, Iowa, snow does not fall in May through September.
When are the longest days in Barnum?
With an average of 15h and 12min of daylight, June has the longest days of the year in Barnum.
What are the months with the highest UV index in Barnum?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Barnum.
What month is the hottest in Barnum?
July, with average temperatures reaching a high of 81°F (27.2°C) and a low of 63.7°F (17.6°C), is the warmest month in Barnum, Iowa.
What month has the most sunshine in Barnum?
With an average of 10.1h of sunshine, July has the most sunshine of the year in Barnum, Iowa.
What is the month with the shortest days in Barnum?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Barnum, IA
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (25°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure
Barnum, 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:
29.88"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:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Barnum, IA
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.6mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.5mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.5mph - Average wind speed in October:
10mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Barnum, 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
Barnum, IA
- Average rainfall in January:
0.24" - Average rainfall in February:
0.31" - Average rainfall in March:
0.35" - Average rainfall in April:
0.83" - Average rainfall in May:
1.34" - Average rainfall in June:
1.1"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.79" - Average rainfall in September:
0.79" - Average rainfall in October:
0.67" - Average rainfall in November:
0.31" - Average rainfall in December:
0.43"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days
Barnum, IA
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
1.9 days - Average rainfall days in March:
6.7 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
9 days - Average rainfall days in August:
10.1 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
5.7 days - Average rainfall days in November:
4 days - Average rainfall days in December:
2.5 days
The month with the highest number of rainy days is June (12 days).
The month with the least rainy days is February (1.9 days).
Average snowfall
Barnum, IA
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Barnum, IA
- Average snowfall days in January:
7.5 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4 days - Average snowfall days in April:
1.1 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:
0.7 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Barnum, 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 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 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 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 3min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Barnum, IA
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
20.7 days - Average sunshine days in March:
21.6 days - Average sunshine days in April:
18 days - Average sunshine days in May:
16.5 days - Average sunshine days in June:
15.5 days
- Average sunshine days in July:
17.2 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
24.3 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is June (15.5 days).
Average UV index
Barnum, 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
Barnum, IA
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility
Barnum, 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).
Barnum, Iowa, USA
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