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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 Glenwood, Iowa, with an average temperature ranging between min 17.1°F (-8.3°C) and max 30.6°F (-0.8°C). Glenwood's temperature records reveal January as the coldest month, marked by average highs of 30.6°F (-0.8°C) and lows of 17.1°F (-8.3°C). Weather in January »
Weather in February
February, the last month of the winter in Glenwood, is a cold month, with an average temperature varying between 34.3°F (1.3°C) and 20.1°F (-6.6°C). Glenwood marks the onset of February with an average high-temperature of a wintry 34.3°F (1.3°C), a subtle shift from January's 30.6°F (-0.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Glenwood, Iowa, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 33.6°F (0.9°C). As March arrives, a noticeable rise in the average high-temperature is witnessed, moving from a wintry 34.3°F (1.3°C) in February to a chilly 49.8°F (9.9°C). Weather in March »
Weather in April
April is a comfortable spring month in Glenwood, Iowa, with an average temperature varying between 61.3°F (16.3°C) and 43.3°F (6.3°C). As April arrives, a rise in the average high-temperature is observed, moving from a frosty 49.8°F (9.9°C) in March to a comfortable 61.3°F (16.3°C). Weather in April »
Weather in May
May, the last month of the spring in Glenwood, is an agreeable month, with an average temperature varying between 71.1°F (21.7°C) and 54.3°F (12.4°C). May's arrival brings a temperature shift, moving from a refreshing 61.3°F (16.3°C) in April to an agreeable 71.1°F (21.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Glenwood, Iowa, with an average temperature ranging between min 64.2°F (17.9°C) and max 81.7°F (27.6°C). A shift in the average high-temperature is noticeable in June, changing from an agreeable 71.1°F (21.7°C) in May to a warm 81.7°F (27.6°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Glenwood, Iowa, with an average temperature ranging between max 84°F (28.9°C) and min 66°F (18.9°C). July temperatures tend to peak at an average high of 84°F (28.9°C) and dip to a low of 66°F (18.9°C). July's mean heat index is appraised at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Glenwood, is another warm month, with an average temperature varying between 63.1°F (17.3°C) and 82.4°F (28°C). The start of August marks an average high-temperature of a still warm 82.4°F (28°C), hardly distinguishable from the conditions in July. Weather in August »
Weather in September
September, the first month of the autumn in Glenwood, is also a moderately hot month, with an average temperature varying between 57.4°F (14.1°C) and 76.6°F (24.8°C). Glenwood's weather subtly changes with the onset of September, barely falling from 82.4°F (28°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »
Weather in October
October, like September, in Glenwood, Iowa, is another comfortable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 45.5°F (7.5°C). Glenwood, Iowa, observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 76.6°F (24.8°C) to a comfortable 62.4°F (16.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Glenwood, Iowa, with an average temperature fluctuating between 34°F (1.1°C) and 49.1°F (9.5°C). November brings a decrease in the average high-temperature, shifting from an enjoyable 62.4°F (16.9°C) in October to a chilly 49.1°F (9.5°C). Weather in November »
Weather in December
December, the first month of the winter in Glenwood, is also an icy month, with an average temperature varying between 22.5°F (-5.3°C) and 34.7°F (1.5°C). Witnessing a clear drop in December, the average high-temperature declines from November's frosty 49.1°F (9.5°C) to an icy 34.7°F (1.5°C). Weather in December »
Updated: Aug 2, 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 time of the year is the coldest?
Glenwood's January weather, marked by an average high temperature of 30.6°F (-0.8°C) and an average low temperature of 17.1°F (-8.3°C), is the coldest in the year.
What is the most humid month?
The most humid month in Glenwood is January, with an average relative humidity of 80%.
What is the driest month?
The months with the least rainfall in Glenwood are January and February Rain falls for 5 days and accumulates 0.83" (21mm) of rain.
How many days does it rain?
In Glenwood, during the entire year, the rain falls for 129.5 days and collects up to 27.48" (698mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 31.3 snowfall days, and 12.56" (319mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year in Glenwood, with an average of 4.7h of sunshine.
What is the month with 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.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 7.9 days and typically aggregates up to 3.9" (99mm) 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.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 16.7 days and accumulates 4.57" (116mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
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?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the warmest month?
Glenwood witnesses the warmest weather in July, with temperatures averaging a high of 84°F (28.9°C) and a low of 66°F (18.9°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 67%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Glenwood, IA
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Glenwood, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.01"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 (29.87"Hg).
Average wind speed
Glenwood, IA
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity
Glenwood, IA
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Glenwood, IA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.83" - Average rainfall in March:
1.5" - Average rainfall in April:
2.28" - Average rainfall in May:
4.41" - Average rainfall in June:
4.57"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.91" - Average rainfall in September:
2.48" - Average rainfall in October:
2.52" - Average rainfall in November:
1.02" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is June (4.57").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days
Glenwood, IA
- Average rainfall days in January:
5 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
10 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Glenwood, IA
- Average snowfall in January:
3.19" - Average snowfall in February:
3.9" - Average snowfall in March:
1.38" - Average snowfall in April:
1.06" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Glenwood, IA
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.3 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 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Glenwood, 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 2min
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 18min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Glenwood, IA
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
17 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10.6 days).
Average UV index
Glenwood, 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
Glenwood, IA
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Glenwood, 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).
Glenwood, Iowa, USA
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