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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 Harvey, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 14.9°F (-9.5°C) and an average high of 28°F (-2.2°C). January tends to be the coldest month, with temperatures averaging a daily high of 28°F (-2.2°C) and a low of 14.9°F (-9.5°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Harvey, Iowa, with an average temperature ranging between max 32.4°F (0.2°C) and min 18.5°F (-7.5°C). Harvey marks the onset of February with an average high-temperature of a cold 32.4°F (0.2°C), subtly divergent from January's 28°F (-2.2°C). Weather in February »
Weather in March
March, the first month of the spring in Harvey, is a frosty month, with an average temperature fluctuating between 47.5°F (8.6°C) and 32.4°F (0.2°C). As Harvey transitions into March, the average high-temperature shows a marked escalation, increasing from a cold 32.4°F (0.2°C) in February to a chilly 47.5°F (8.6°C). Weather in March »
Weather in April
April is a moderate spring month in Harvey, Iowa, with an average temperature fluctuating between 42.4°F (5.8°C) and 59.5°F (15.3°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a chilly 47.5°F (8.6°C) in March to a refreshing 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Harvey, is a pleasant month, with an average temperature varying between 52.9°F (11.6°C) and 69.8°F (21°C). With the beginning of May, Harvey's average high-temperature sees an increase, transitioning from a moderate 59.5°F (15.3°C) in April to a pleasant 69.8°F (21°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Harvey, Iowa, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.3°F (26.3°C). With the onset of June, Harvey sees a temperature rise, with the average high-temperature moving from May's agreeable 69.8°F (21°C) to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Harvey, Iowa, is a moderately hot summer month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 82.2°F (27.9°C). July, known for its average high temperature of 82.2°F (27.9°C) and an average low temperature of 65.1°F (18.4°C), is the warmest month. The heat index for July is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Harvey, Iowa, with an average temperature varying between 62.6°F (17°C) and 81.3°F (27.4°C). Harvey's August average high-temperature settles at a still moderately hot 81.3°F (27.4°C), showing a near match with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Harvey, is still a warm month, with an average temperature fluctuating between 56.1°F (13.4°C) and 75.7°F (24.3°C). Harvey in September undergoes a slight reduction in the average high-temperature, shifting from August's 81.3°F (27.4°C) to a still warm 75.7°F (24.3°C). Weather in September »
Weather in October
October, like September, in Harvey, Iowa, is another refreshing autumn month, with an average temperature ranging between min 44.8°F (7.1°C) and max 60.8°F (16°C). In Harvey, the average high-temperature in October significantly decreases from a moderately hot 75.7°F (24.3°C) in September to an enjoyable 60.8°F (16°C). Weather in October »
Weather in November
November, the last month of the autumn in Harvey, is another chilly month, with an average temperature ranging between max 47.1°F (8.4°C) and min 32.9°F (0.5°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's refreshing 60.8°F (16°C) to a chilly 47.1°F (8.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Harvey, Iowa, with an average temperature ranging between max 34.5°F (1.4°C) and min 22.8°F (-5.1°C). In the transition to December, Harvey observes a drop in the average high-temperature, moving from a chilly 47.1°F (8.4°C) in November to an icy 34.5°F (1.4°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Harvey?
In Harvey, Iowa, the average lowest temperatures are observed in January, with a high of 28°F (-2.2°C) and a low of 14.9°F (-9.5°C).
What are the most humid months in Harvey?
January, February, June and July, with an average relative humidity of 82%, are most humid months.
What is the driest month in Harvey?
The months with the least rainfall are January and February Rain falls for 3.8 days and accumulates 0.43" (11mm) of rain.
How many days does it rain in Harvey?
In Harvey, Iowa, during the entire year, the rain falls for 109.6 days and collects up to 12.28" (312mm) of precipitation.
When does it snow in Harvey?
January through May, October through December are months with snowfall in Harvey, Iowa.
What is the snowiest month in Harvey?
The month with the most snowfall is January, when snow falls for 7.9 days and typically aggregates up to 1.81" (46mm) of snow.
How many days does it snow in Harvey?
In Harvey, Iowa, during the entire year, snow falls for 29.7 days and aggregates up to 5.16" (131mm) of snow.
What is the month with the least sunshine in Harvey?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Harvey?
The month with the lowest UV index in Harvey is January, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Harvey?
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 in Harvey?
The month with the most rainfall in Harvey is May, when the rain falls for 14.3 days and typically aggregates up to 2.09" (53mm) of precipitation.
When it does not snow in Harvey?
June through September are months without snowfall in Harvey.
When are the longest days in Harvey?
With an average of 15h and 6min of daylight, June has the longest days of the year in Harvey.
What are the months with the highest UV index in Harvey?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Harvey, Iowa.
What time of the year is the hottest in Harvey?
Harvey's warmest month, July, generally records average temperatures ranging from a high of 82.2°F (27.9°C) to a low of 65.1°F (18.4°C).
What month has the most sunshine in Harvey?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
What is the least humid month in Harvey?
The least humid month in Harvey, Iowa, is October, with an average relative humidity of 71%.
What is the month with the shortest days in Harvey?
December has the shortest days of the year in Harvey, with an average of 9h and 18min of daylight.
Average temperature
Harvey, 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 (28°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 (14.9°F).
Average pressure
Harvey, IA
- Average pressure in January:
30.15"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:
29.89"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:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Harvey, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.9mph - Average wind speed in September:
8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Harvey, IA
The months with the highest relative humidity are January, February, June and July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Harvey, IA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.43" - Average rainfall in March:
0.87" - Average rainfall in April:
1.06" - Average rainfall in May:
2.09" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.06" - Average rainfall in September:
1.34" - Average rainfall in October:
0.87" - Average rainfall in November:
0.63" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days
Harvey, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
12.4 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Harvey, IA
- Average snowfall in January:
1.81" - Average snowfall in February:
1.18" - Average snowfall in March:
0.63" - Average snowfall in April:
0.39" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harvey, IA
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
1.2 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:
0.5 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harvey, 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 1min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - 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
Harvey, IA
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
18.5 days - Average sunshine days in March:
18 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
21.9 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (12.4 days).
Average UV index
Harvey, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Harvey, IA
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Harvey, IA
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Harvey, Iowa, USA
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