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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 a freezing cold winter month in Donnellson, Iowa, with an average temperature ranging between max 30.2°F (-1°C) and min 18.3°F (-7.6°C). In Donnellson, January is the month with the lowest recorded average temperatures, measuring a high of 30.2°F (-1°C) and a low of 18.3°F (-7.6°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Donnellson, Iowa, with an average temperature varying between 21.9°F (-5.6°C) and 35.2°F (1.8°C). The dawn of February sees an average high-temperature of a cold 35.2°F (1.8°C), subtly contrasting with January's 30.2°F (-1°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Donnellson, Iowa, with an average temperature ranging between max 49.5°F (9.7°C) and min 34.2°F (1.2°C). March brings a rise in the average high-temperature, transitioning from February's cold 35.2°F (1.8°C) to a chilly 49.5°F (9.7°C). Weather in March »
Weather in April
April is an enjoyable spring month in Donnellson, Iowa, with an average temperature fluctuating between 61.2°F (16.2°C) and 44.2°F (6.8°C). April indicates a change in the average high-temperature, moving up from a chilly 49.5°F (9.7°C) in March to a comfortable 61.2°F (16.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Donnellson, Iowa, with an average temperature varying between 71.1°F (21.7°C) and 54.1°F (12.3°C). May's arrival coincides with a temperature rise, moving from April's enjoyable 61.2°F (16.2°C) to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Donnellson, is a warm month, with an average temperature ranging between min 63.7°F (17.6°C) and max 80.2°F (26.8°C). June's onset brings a temperature rise, moving from an agreeable 71.1°F (21.7°C) in May to a warm 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Donnellson, Iowa, with an average temperature ranging between min 66°F (18.9°C) and max 82.9°F (28.3°C). July, on average, is the warmest month, registering a high temperature of 82.9°F (28.3°C) and a low of 66°F (18.9°C). The heat index value during July is appraised at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Donnellson, Iowa, with an average temperature fluctuating between 63.7°F (17.6°C) and 82.6°F (28.1°C). August's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 82.6°F (28.1°C) from July's 82.9°F (28.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Donnellson, is still a warm month, with temperature in the range of an average high of 77°F (25°C) and an average low of 57.4°F (14.1°C). Donnellson in September undergoes a slight reduction in the average high-temperature, shifting from August's 82.6°F (28.1°C) to a still warm 77°F (25°C). Weather in September »
Weather in October
October, like September, in Donnellson, Iowa, is another enjoyable autumn month, with an average temperature fluctuating between 62.8°F (17.1°C) and 46°F (7.8°C). During Donnellson's transition into October, the average high-temperature lessens, moving from a moderately hot 77°F (25°C) in September to a refreshing 62.8°F (17.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Donnellson, is another chilly month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 34.7°F (1.5°C). Welcoming November, Donnellson observes a shift in the average high-temperature, falling from October's comfortable 62.8°F (17.1°C) to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Donnellson, Iowa, with an average temperature ranging between min 25°F (-3.9°C) and max 36.5°F (2.5°C). The beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 48.6°F (9.2°C) in November to an icy 36.5°F (2.5°C). Weather in December »
Updated: Feb 12, 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 in Donnellson?
January, noted for its average high-temperature of 30.2°F (-1°C) and an average low-temperature of 18.3°F (-7.6°C), is considered the coldest month in Donnellson.
How much does it rain in Donnellson?
In Donnellson, Iowa, during the entire year, the rain falls for 145.2 days and collects up to 28.98" (736mm) of precipitation.
When does it snow in Donnellson?
Months with snowfall in Donnellson are January through April, October through December.
What is the snowiest month in Donnellson?
January is the month with the most snowfall. Snow falls for 9.2 days and accumulates 4.41" (112mm) of snow.
How many days does it snow in Donnellson?
Throughout the year, in Donnellson, Iowa, there are 29.4 snowfall days, and 14.21" (361mm) of snow is accumulated.
What is the month with the least sunshine in Donnellson?
The month with the least sunshine in Donnellson, Iowa, is January, with an average of 4.2h of sunshine.
When is the lowest UV index in Donnellson?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Donnellson, Iowa.
When is Daylight Saving Time (DST) in Donnellson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Donnellson, 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 rainiest month in Donnellson?
The month with the most rainfall is May, when the rain falls for 19.2 days and typically aggregates up to 4.25" (108mm) of precipitation.
When it does not snow in Donnellson?
May through September are months without snowfall in Donnellson.
When are the longest days in Donnellson?
The month with the longest days in Donnellson, Iowa, is June, with an average of 15h and 0min of daylight.
When is the highest UV index in Donnellson?
The months with the highest UV index in Donnellson, Iowa, are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Donnellson?
Donnellson notes the warmest temperatures in July, with a average high of 82.9°F (28.3°C) and a low of 66°F (18.9°C).
What is the most humid month in Donnellson?
The most humid month in Donnellson, Iowa, is July, with an average relative humidity of 82%.
What month has the most sunshine in Donnellson?
With an average of 10.3h of sunshine, July has the most sunshine of the year in Donnellson.
What is the least humid month in Donnellson?
October is the least humid month, with an average relative humidity of 71%.
What is the driest month in Donnellson?
The month with the least rainfall in Donnellson, Iowa, is December, when the rain falls for 7 days and typically collects 1.38" (35mm) of precipitation.
What is the month with the shortest days in Donnellson?
The month with the shortest days in Donnellson, Iowa, is December, with an average of 9h and 18min of daylight.
Average temperature
Donnellson, IA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.2°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Donnellson, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"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 (29.9"Hg).
Average wind speed
Donnellson, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity
Donnellson, IA
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Donnellson, IA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.46" - Average rainfall in March:
2.24" - Average rainfall in April:
3.39" - Average rainfall in May:
4.25" - Average rainfall in June:
3.7"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.17" - Average rainfall in September:
2.28" - Average rainfall in October:
2.28" - Average rainfall in November:
1.73" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days
Donnellson, IA
- Average rainfall days in January:
6 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
13 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
12 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Donnellson, IA
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Donnellson, IA
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Donnellson, 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 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 3min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Donnellson, IA
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.2 days).
Average UV index
Donnellson, 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, November and December (UV index 2).
Average cloud cover
Donnellson, IA
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Donnellson, IA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Donnellson, Iowa, USA
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