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Contents
- The climate of Ankeny
- The best time to visit Ankeny
- The worst time to visit Ankeny
- Spring weather in Ankeny
- Summer weather in Ankeny
- Autumn weather in Ankeny
- Winter weather in Ankeny
- 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
The climate of Ankeny
Ankeny, located in the state of Iowa, USA, is a place of climatic variations. It primarily falls under the Köppen climate classification Dfa; Humid continental, no dry season, hot summer, which is predominated with regular rainfall and considerably warm summers.
Over the year, the climatic conditions in Ankeny exhibit a range of variations. Season-dependent, the temperature swings from a low 14.4°F (-9.8°C) in January to a high point of 82.2°F (27.9°C) in July. It is important to note that the humidity levels maintain a relatively high range from 70% to 83%, which marks the availability of ample moisture in the environment.
A peculiar feature of Ankeny's climate is the presence of rainfall throughout the year. Rainfall measurement averages range from 0.94" (24mm) in January to 3.98" (101mm) in May. The city also experiences regular snowfall, generally from November to March, reaching a peak of 4.17" (106mm) in February. Notably, the highest wind speeds are recorded in January and February, peaking at 16.5mph (26.6km/h).
Daylight hours extend from a minimum average of 9.2 hours in December, gradually increasing to a maximum average of 15.2 hours by June, exhibiting the cyclical nature of day and night durations in response to the Earth's axial tilt. The pressure levels fluctuate minutely across the year, with the lowest monthly average pressure recorded in June at 29.88in, and the highest in February and December at 30.16in and 30.12in respectively.
Over the year, the climatic conditions in Ankeny exhibit a range of variations. Season-dependent, the temperature swings from a low 14.4°F (-9.8°C) in January to a high point of 82.2°F (27.9°C) in July. It is important to note that the humidity levels maintain a relatively high range from 70% to 83%, which marks the availability of ample moisture in the environment.
A peculiar feature of Ankeny's climate is the presence of rainfall throughout the year. Rainfall measurement averages range from 0.94" (24mm) in January to 3.98" (101mm) in May. The city also experiences regular snowfall, generally from November to March, reaching a peak of 4.17" (106mm) in February. Notably, the highest wind speeds are recorded in January and February, peaking at 16.5mph (26.6km/h).
Daylight hours extend from a minimum average of 9.2 hours in December, gradually increasing to a maximum average of 15.2 hours by June, exhibiting the cyclical nature of day and night durations in response to the Earth's axial tilt. The pressure levels fluctuate minutely across the year, with the lowest monthly average pressure recorded in June at 29.88in, and the highest in February and December at 30.16in and 30.12in respectively.
The best time to visit Ankeny
Understanding the climatic fluctuations, June and July emerge as the best time to visit Ankeny. During these months, the city experiences the warmest temperatures of the year, averaging between 79.3°F (26.3°C) and 82.2°F (27.9°C). The daylight duration graces the city with an average of 15 hours, offering ample time to explore the city's attractions. Moreover, these months also experience the least cloud cover, implying better visibility and sunny skies.
The worst time to visit Ankeny
Conversely, the worst time to venture into Ankeny is during the months of January and February. These months bear witness to the coldest temperatures, with lows plummeting to 14.4°F (-9.8°C) in January. Together with the cold, the city also faces harsh winds, with the speed peaking up to 16.5mph (26.6km/h), making it even more chilling. An added challenge arises from snowfall reaching up to 4.17" (106mm) in February, contributing to rough and potentially hazardous road conditions.
Spring weather in Ankeny
Spring in Ankeny is signified by gradually increasing temperatures. Beginning from the lows of 31.6°F (-0.2°C) in March, the mercury rises to a comfortable 59.4°F (15.2°C) by May. However, spring also marks the onset of increased rainfall, with May receiving the maximum of 3.98" (101mm). Additionally, daylight hours extend from 12 hours in March to 14.6 hours in May, making it perfect for outdoor activities.
Summer weather in Ankeny
Summers bring in the warmest temperatures along with extended daylight hours. While June warms up to 79.3°F (26.3°C), July experiences the highest temperature of the year at 82.2°F (27.9°C). Daylight extends up to an average of 15.2 hours in June, providing long sunny days. Although summers are usually dry, this city witnesses a fair amount of rainfall with an average of 3.5" (89mm) in June.
Autumn weather in Ankeny
Autumn witnesses a drastic dip in temperatures, dropping from 75.2°F (24°C) in September to 46.8°F (8.2°C) by November. Rainfall measurements indicate a consistent pattern with nearly 2.13" (54mm) in October. Daylight hours shrink from 12.5 in September to 9.8 by November, marking shorter days and longer nights.
Winter weather in Ankeny
Winter in Ankeny can be quite harsh. January records the lowest temperatures, sinking to 14.4°F (-9.8°C). On average, December receives the maximum snowfall, up to 1.97" (50mm). The daylight hours are at their shortest, with an average duration of 9.2 hours in December. Wind speeds hit their maximum of 16.5mph (26.6km/h) in January, intensifying the chill in the air.
Weather in January
Starting the year in Ankeny, Iowa, the cold reigns supreme with high levels of humidity. The frosty days provide a picturesque perspective as snowflakes fall on average 4.09" (104mm) in January. The low sunlight levels make for stark outdoor imagesscape. Weather in January »
Weather in February
The cold weather continues into February with only slightly milder temperatures than in January. A bit more sunlight graces the Ankeny, Iowa sky, affording icicles a delicate shimmer in the weak sunlight. The occurrence of snowfall follows a declining pattern, subtly marking the slow, eventual departure of winter. Weather in February »
Weather in March
March marks the transition from winter to spring in Ankeny, Iowa. Snow starts to recede, paving the way for moderate rainfall with an average of 1.77" (45mm), signifying the arrival of spring. The temperatures start to climb, complemented by elongated daylight hours due to the Spring Equinox. Weather in March »
Weather in April
In April, spring firmly establishes itself in Ankeny, Iowa. Fading snow gives birth to blooming flora while daylight hours continue to stretch, encouraging outdoor activities. Differences in temperature become more noticeable with a warming trend prevailing during the day. Weather in April »
Weather in May
May brings a substantial rise in temperatures in Ankeny, Iowa, signifying the commencement of the transition from spring to summer. Sunshine stretches throughout the day leading to long, inviting outdoors. The rainfall, although abundant, seems to enhance the character of the land, splashing green across the landscape. Weather in May »
Weather in June
June offers the first taste of summer in Ankeny, Iowa, with the highest recorded daylight duration. The temperature rises dramatically, showcasing the strong, sunny summer. The weather takes a drier turn, reducing the occurrence of rainfall compared to the previous months culminating in more opportunities for outdoor adventures. Weather in June »
Weather in July
July impresses with its high temperatures, making it the warmest month in Ankeny, Iowa. The high reaches a peak of 82.2°F (27.9°C) indicating the zenith of the summer season. Lengthy daylight hours and warm nights mark the crest of summer outdoor activities. Weather in July »
Weather in August
August carries the summer charm forward even with a slight drop in temperatures compared to July in Ankeny, Iowa. Blazing sunlight rules the sky, proffering vivid sunrises and breathtaking sunsets. The rainfall occurs moderately, maintaining a balance in the weather cycle. Weather in August »
Weather in September
September brings in the season of fall to Ankeny, Iowa, accompanied by a significant change in weather patterns. Mellow sunshine fills the day, evident in the decreasing daylight hours, leading to milder temperatures. The rainfall remains consistent, replenishing the land before the onset of colder months. Weather in September »
Weather in October
October in Ankeny, Iowa, witnesses the full expressive fall season in all its glory. The weather turns colder with the first hints of returning frost noticeable on clear mornings. The vibrancy of fall foliage together with the crisp temperature makes for scenic outdoor excursions. Weather in October »
Weather in November
November in Ankeny, Iowa, introduces a warmer touch to winter compared to the looming December freeze. A moderate rainfall continues to nourish the city, but noticeable changes in temperature signal winter around the corner. The dwindling sunlight retreats faster as daylight hours shorten. Weather in November »
Weather in December
December marks the arrival of winter in Ankeny, Iowa, bringing the year to a close under a white blanket of snow. The plummeting temperature combined with a humble snowfall of 1.97" (50mm) on average gives the city a frosty ambiance. Weather in December »
Updated: Jul 15, 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 Ankeny, the lowest temperatures are generally noted in January, averaging a high of 27.7°F (-2.4°C) and a low of 14.4°F (-9.8°C).
What is the most humid month?
With an average relative humidity of 83%, January is the most humid month.
What is the driest month?
January is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.94" (24mm) of precipitation.
How many days does it rain?
In Ankeny, Iowa, during the entire year, the rain falls for 129.8 days and collects up to 25.91" (658mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Ankeny, Iowa, during the entire year, snow falls for 36.2 days and aggregates up to 13.94" (354mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.3h of sunshine.
What is the month with the lowest UV index?
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 8.8 days and accumulates 4.17" (106mm) of snow.
When is Daylight Saving Time (DST) in Ankeny?
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 wettest month?
The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 3.98" (101mm) of precipitation.
When it does not snow in Ankeny?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the month with the highest UV index in Ankeny?
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?
With its average high temperature of 82.2°F (27.9°C) and a low of 65.1°F (18.4°C), July is regarded as the warmest month in Ankeny.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the least humid month?
With an average relative humidity of 70%, October is the least humid month.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Ankeny, IA
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (27.7°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure
Ankeny, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"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:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"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
Ankeny, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Ankeny, IA
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Ankeny, IA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.06" - Average rainfall in March:
1.77" - Average rainfall in April:
2.72" - Average rainfall in May:
3.98" - Average rainfall in June:
3.5"
- Average rainfall in July:
2.13" - Average rainfall in August:
2.48" - Average rainfall in September:
2.6" - Average rainfall in October:
2.13" - Average rainfall in November:
1.34" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Ankeny, IA
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Ankeny, IA
- Average snowfall in January:
4.09" - Average snowfall in February:
4.17" - Average snowfall in March:
1.69" - Average snowfall in April:
0.67" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Ankeny, IA
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
1.4 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:
0.6 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Ankeny, 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 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 1min - 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 12min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
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 18min).
Average sunshine days
Ankeny, IA
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (11 days).
Average UV index
Ankeny, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Ankeny, IA
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility
Ankeny, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Ankeny, Iowa, USA
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