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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 Hillsboro, Iowa, with an average temperature ranging between min 17.4°F (-8.1°C) and max 29.7°F (-1.3°C). During the coldest month, January, temperatures average a high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C). Weather in January »
Weather in February
February, the last month of the winter in Hillsboro, is a wintry month, with an average temperature fluctuating between 21°F (-6.1°C) and 34.3°F (1.3°C). The initiation of February sees an average high-temperature of a wintry 34.3°F (1.3°C), showing minor variations from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Hillsboro, Iowa, with an average temperature ranging between min 33.3°F (0.7°C) and max 48.2°F (9°C). Hillsboro's transition into March is marked by a rise in the average high-temperature, advancing from a cold 34.3°F (1.3°C) in February to a chilly 48.2°F (9°C). Weather in March »
Weather in April
April is a comfortable spring month in Hillsboro, Iowa, with an average temperature ranging between max 60.8°F (16°C) and min 43.3°F (6.3°C). Hillsboro, Iowa, sees an increase in the average high-temperature with the arrival of April, moving from March's chilly 48.2°F (9°C) to a comfortable 60.8°F (16°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Hillsboro, Iowa, with an average temperature fluctuating between 53.8°F (12.1°C) and 70.9°F (21.6°C). Hillsboro sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 60.8°F (16°C) in April to an agreeable 70.9°F (21.6°C). Weather in May »
Weather in June
June, the first month of the summer in Hillsboro, is a moderately hot month, with an average temperature ranging between min 63.7°F (17.6°C) and max 79.9°F (26.6°C). With the onset of June, Hillsboro sees a temperature rise, with the average high-temperature moving from May's pleasant 70.9°F (21.6°C) to a moderately hot 79.9°F (26.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Hillsboro, Iowa, with an average temperature ranging between min 65.3°F (18.5°C) and max 82.4°F (28°C). July is Hillsboro's warmest month, registering average high temperatures of 82.4°F (28°C) and lows of 65.3°F (18.5°C). During July, the heat index is estimated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Hillsboro, is also a moderately hot month, with an average temperature varying between 81.7°F (27.6°C) and 63.3°F (17.4°C). Entering August, Hillsboro's average high-temperature reads a still warm 81.7°F (27.6°C), indicating a close resemblance to the previous month's climate. Weather in August »
Weather in September
September, the first month of the autumn in Hillsboro, is still a warm month, with an average temperature fluctuating between 56.7°F (13.7°C) and 76.3°F (24.6°C). A subtle shift in Hillsboro's weather is observed as August turns into September, with the average high temperature reducing from 81.7°F (27.6°C) to a still warm 76.3°F (24.6°C). Weather in September »
Weather in October
October, like September, in Hillsboro, Iowa, is another enjoyable autumn month, with an average temperature fluctuating between 45.7°F (7.6°C) and 61.7°F (16.5°C). October indicates a noticeable reduction in the average high-temperature, moving down from a warm 76.3°F (24.6°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Hillsboro, Iowa, with an average temperature varying between 34°F (1.1°C) and 48°F (8.9°C). The onset of November is marked by a decrease in temperature, transitioning from a refreshing 61.7°F (16.5°C) in October to a chilly 48°F (8.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Hillsboro, Iowa, with an average temperature varying between 24.6°F (-4.1°C) and 36°F (2.2°C). December brings a decrease in the average high-temperature, falling from November's chilly 48°F (8.9°C) to an icy 36°F (2.2°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Hillsboro?
January is the month that records the lowest temperatures, with averages ranging from a high of 29.7°F (-1.3°C) to a low of 17.4°F (-8.1°C).
How much does it rain in Hillsboro?
In Hillsboro, Iowa, during the entire year, the rain falls for 140.1 days and collects up to 29.92" (760mm) of precipitation.
When does it snow in Hillsboro?
Months with snowfall are January through April, October through December.
What is the snowiest month in Hillsboro?
January is the month with the most snowfall in Hillsboro, Iowa. Snow falls for 9.6 days and accumulates 4.76" (121mm) of snow.
How much does it snow in Hillsboro?
Throughout the year, in Hillsboro, there are 30.7 snowfall days, and 15" (381mm) of snow is accumulated.
What is the month with the least sunshine in Hillsboro?
The month with the least sunshine is January, with an average of 4h of sunshine.
When is the lowest UV index in Hillsboro?
January is the month with the lowest UV index in Hillsboro, Iowa, with an average maximum UV index of 1.
What is the driest month in Hillsboro?
February and December are months with the least rain when the rain falls for 4.6 days and typically aggregates up to 1.38" (35mm) of rain.
When is Daylight Saving Time (DST) in Hillsboro?
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 in Hillsboro?
The month with the most rainfall in Hillsboro, Iowa, is May, when the rain falls for 18.3 days and typically aggregates up to 4.29" (109mm) of precipitation.
When it does not snow in Hillsboro?
May through September are months without snowfall in Hillsboro, Iowa.
When are the longest days in Hillsboro?
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 in Hillsboro?
The months with the highest UV index in Hillsboro, Iowa, are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Hillsboro?
In Hillsboro, the average highest temperatures are observed in July, with a high of 82.4°F (28°C) and a low of 65.3°F (18.5°C).
What is the most humid month in Hillsboro?
With an average relative humidity of 83%, July is the most humid month in Hillsboro.
What month has the most sunshine in Hillsboro?
The month with the most sunshine in Hillsboro is July, with an average of 10h of sunshine.
What is the least humid month in Hillsboro?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days in Hillsboro?
December has the shortest days of the year in Hillsboro, Iowa, with an average of 9h and 18min of daylight.
Average temperature
Hillsboro, IA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Hillsboro, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.13"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
Hillsboro, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity
Hillsboro, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Hillsboro, IA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.38" - Average rainfall in March:
2.2" - Average rainfall in April:
3.27" - Average rainfall in May:
4.29" - Average rainfall in June:
4.17"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days
Hillsboro, IA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Hillsboro, IA
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Hillsboro, IA
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.3 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:
1.6 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hillsboro, 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 - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days
Hillsboro, IA
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index
Hillsboro, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Hillsboro, IA
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Hillsboro, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Hillsboro, Iowa, USA
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