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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 Armstrong, Iowa, is another subzero cold winter month, with an average temperature ranging between min 9.9°F (-12.3°C) and max 22.5°F (-5.3°C). Armstrong's temperature records reveal January as the coldest month, marked by average highs of 22.5°F (-5.3°C) and lows of 9.9°F (-12.3°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Armstrong, Iowa, with an average temperature varying between 26.2°F (-3.2°C) and 12.9°F (-10.6°C). Armstrong, Iowa, records a slight change with February's average high-temperatures adjusting to a still freezing cold 26.2°F (-3.2°C) from January's 22.5°F (-5.3°C). Weather in February »
Weather in March
March, the first month of the spring in Armstrong, is a wintry month, with an average temperature fluctuating between 41.7°F (5.4°C) and 27.7°F (-2.4°C). A clear escalation in the average high-temperature is witnessed with the onset of March, advancing from a subzero cold 26.2°F (-3.2°C) in February to a wintry 41.7°F (5.4°C). Weather in March »
Weather in April
April is a fresh spring month in Armstrong, Iowa, with an average temperature fluctuating between 39.7°F (4.3°C) and 55°F (12.8°C). April's arrival brings a temperature shift, moving from a wintry 41.7°F (5.4°C) in March to a fresh 55°F (12.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Armstrong, Iowa, with an average temperature ranging between min 51.4°F (10.8°C) and max 68°F (20°C). An increase in the average high-temperature marks May, moving from April's cool 55°F (12.8°C) to a pleasant 68°F (20°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Armstrong, Iowa, with an average temperature varying between 61°F (16.1°C) and 77.2°F (25.1°C). June's onset witnesses a shift in the average high-temperature, moving from a pleasant 68°F (20°C) in May to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July, like June, in Armstrong, Iowa, is another warm summer month, with an average temperature ranging between max 80.2°F (26.8°C) and min 62.6°F (17°C). July, having an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 62.6°F (17°C), is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Armstrong, is also a moderately hot month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 78.1°F (25.6°C). Transitioning into August, Armstrong experiences an average high-temperature of a still warm 78.1°F (25.6°C), marking a minor shift from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Armstrong, is also an agreeable month, with an average temperature varying between 72.7°F (22.6°C) and 53.8°F (12.1°C). Armstrong's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 78.1°F (25.6°C) to a pleasant 72.7°F (22.6°C). Weather in September »
Weather in October
October, the same as September, in Armstrong, Iowa, is another refreshing autumn month, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 42.3°F (5.7°C). Armstrong's October weather is characterized by a distinct downswing in high-temperatures, falling from September's pleasant 72.7°F (22.6°C) to a mild 57°F (13.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Armstrong, is also a wintry month, with an average temperature fluctuating between 42.4°F (5.8°C) and 29.7°F (-1.3°C). The shift into November is characterized by a noticeable reduction in the average high-temperature, decreasing from October's moderate 57°F (13.9°C) to a wintry 42.4°F (5.8°C). Weather in November »
Weather in December
December, the first month of the winter in Armstrong, is also a subzero cold month, with temperature in the range of an average high of 27.3°F (-2.6°C) and an average low of 16.5°F (-8.6°C). With the transition into December, Armstrong experiences a significant decrease in average high-temperatures, moving down from an icy 42.4°F (5.8°C) in November to a subzero cold 27.3°F (-2.6°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Armstrong?
Armstrong, Iowa, witnesses the coldest weather in January, with temperatures averaging a high of 22.5°F (-5.3°C) and a low of 9.9°F (-12.3°C).
What is the most humid month in Armstrong?
The most humid month in Armstrong is January, with an average relative humidity of 88%.
What is the driest month in Armstrong?
January is the month with the least rainfall in Armstrong, Iowa. Rain falls for 2.9 days and accumulates 0.87" (22mm) of precipitation.
How many days does it rain in Armstrong?
Throughout the year, there are 123.7 rainfall days, and 23.66" (601mm) of precipitation is accumulated.
When does it snow in Armstrong?
Months with snowfall in Armstrong, Iowa, are January through May, October through December.
How much does it snow in Armstrong?
Throughout the year, in Armstrong, there are 48.8 snowfall days, and 19.76" (502mm) of snow is accumulated.
What is the month with the least sunshine in Armstrong?
The month with the least sunshine in Armstrong, Iowa, is January, with an average of 3.9h of sunshine.
What is the month with the lowest UV index in Armstrong?
The months with the lowest UV index are January and February, with an average maximum UV index of 1.
When does it snow the most in Armstrong?
The month with the most snowfall in Armstrong is February, when snow falls for 10 days and typically aggregates up to 4.8" (122mm) of snow.
When is Daylight Saving Time (DST) in Armstrong?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Armstrong, Iowa, 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 wettest month in Armstrong?
June is the month with the most rainfall in Armstrong. Rain falls for 18 days and accumulates 3.7" (94mm) of precipitation.
When it does not snow in Armstrong?
In Armstrong, snow does not fall in June through September.
When are the longest days in Armstrong?
June has the longest days of the year in Armstrong, with an average of 15h and 24min of daylight.
What is the month with the highest UV index in Armstrong?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year in Armstrong?
Armstrong records the warmest temperatures in July, averaging a high of 80.2°F (26.8°C) and a low of 62.6°F (17°C).
What month has the most sunshine in Armstrong?
With an average of 10.1h of sunshine, July has the most sunshine of the year in Armstrong, Iowa.
What is the least humid month in Armstrong?
The least humid month is October, with an average relative humidity of 68%.
What is the month with the shortest days in Armstrong?
With an average of 9h and 0min of daylight, December has the shortest days of the year in Armstrong.
Average temperature
Armstrong, IA
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure
Armstrong, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Armstrong, IA
- Average wind speed in January:
11.2mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
7.7mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.4mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity
Armstrong, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Armstrong, IA
- Average rainfall in January:
0.87" - Average rainfall in February:
0.98" - Average rainfall in March:
1.65" - Average rainfall in April:
2.6" - Average rainfall in May:
3.27" - Average rainfall in June:
3.7"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.93" - Average rainfall in September:
2.28" - Average rainfall in October:
1.81" - Average rainfall in November:
1.02" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days
Armstrong, IA
- Average rainfall days in January:
2.9 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Armstrong, IA
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Armstrong, IA
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
10 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
2.6 days - Average snowfall days in May:
0.3 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:
1.8 days - Average snowfall days in November:
5 days - Average snowfall days in December:
11.1 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Armstrong, IA
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - 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 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 5min - 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 4min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Armstrong, IA
- Average sunshine days in January:
18 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
13 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index
Armstrong, 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
Armstrong, IA
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility
Armstrong, IA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Armstrong, Iowa, USA
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