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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, in Harper, Indiana, is an icy winter month, with an average temperature ranging between max 34.9°F (1.6°C) and min 22.8°F (-5.1°C). The coldest time of the year is January, with temperatures averaging a high of 34.9°F (1.6°C) and a low of 22.8°F (-5.1°C). Weather in January »
Weather in February
February, the last month of the winter in Harper, is also a wintry month, with an average temperature ranging between min 26.1°F (-3.3°C) and max 39.9°F (4.4°C). As Harper transitions into February, the average high-temperature stands at a still wintry 39.9°F (4.4°C), offering little variation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Harper, Indiana, with an average temperature ranging between min 35.4°F (1.9°C) and max 50.9°F (10.5°C). As March sets, the average high-temperature shows an increase, moving up from an icy 39.9°F (4.4°C) in February to a fresh 50.9°F (10.5°C). Weather in March »
Weather in April
April is an enjoyable spring month in Harper, Indiana, with an average temperature varying between 45.7°F (7.6°C) and 63°F (17.2°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's cool 50.9°F (10.5°C) to a refreshing 63°F (17.2°C). Weather in April »
Weather in May
May, the last month of the spring in Harper, is an agreeable month, with an average temperature varying between 55.9°F (13.3°C) and 72.9°F (22.7°C). The onset of May brings a temperature shift, with the average high-temperature moving from a refreshing 63°F (17.2°C) in April to an agreeable 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Harper, is a moderately hot month, with an average temperature varying between 80.2°F (26.8°C) and 62.8°F (17.1°C). As Harper welcomes June, the average high-temperature sees a modest rise, transitioning from an agreeable 72.9°F (22.7°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, like June, in Harper, Indiana, is another warm summer month, with an average temperature fluctuating between 83.1°F (28.4°C) and 65.3°F (18.5°C). In Harper, July is identified by the highest average temperatures, reaching a peak of 83.1°F (28.4°C) and a low of 65.3°F (18.5°C). The heat index for July is estimated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Harper, is also a moderately hot month, with an average temperature ranging between max 82°F (27.8°C) and min 63.5°F (17.5°C). The average high-temperature is a still warm 82°F (27.8°C) in August, hardly different from the 83.1°F (28.4°C) recorded in July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Harper, Indiana, with an average temperature ranging between max 76.3°F (24.6°C) and min 58.3°F (14.6°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 82°F (27.8°C) in August to a still warm 76.3°F (24.6°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Harper, Indiana, with an average temperature varying between 47.1°F (8.4°C) and 64°F (17.8°C). The start of October involves a temperature drop, moving from a warm 76.3°F (24.6°C) in September to a comfortable 64°F (17.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Harper, Indiana, with an average temperature varying between 50.9°F (10.5°C) and 36.5°F (2.5°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's enjoyable 64°F (17.8°C) to a cool 50.9°F (10.5°C). Weather in November »
Weather in December
December, the first month of the winter in Harper, is also a wintry month, with an average temperature varying between 29.5°F (-1.4°C) and 40.6°F (4.8°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a fresh 50.9°F (10.5°C) in November to a cold 40.6°F (4.8°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Harper?
Temperature records in Harper mark January as the coldest month, with highs averaging 34.9°F (1.6°C) and lows at 22.8°F (-5.1°C).
How much does it rain in Harper?
Throughout the year, in Harper, there are 137.6 rainfall days, and 17.99" (457mm) of precipitation is accumulated.
When does it snow in Harper?
January through April, October through December are months with snowfall.
How many days does it snow in Harper?
In Harper, during the entire year, snow falls for 29.3 days and aggregates up to 5.35" (136mm) of snow.
What is the month with the least sunshine in Harper?
With an average of 4h of sunshine, January has the least sunshine of the year in Harper, Indiana.
What is the snowiest month in Harper?
The month with the most snowfall in Harper is March, when snow falls for 4.6 days and typically aggregates up to 1.46" (37mm) of snow.
When is Daylight Saving Time (DST) in Harper?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Harper, Indiana, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the wettest month in Harper?
The month with the most rainfall in Harper, Indiana, is May, when the rain falls for 15.4 days and typically aggregates up to 2.01" (51mm) of precipitation.
When it does not snow in Harper?
In Harper, snow does not fall in May through September.
When are the longest days in Harper?
June has the longest days of the year in Harper, Indiana, with an average of 14h and 54min of daylight.
When is the highest UV index in Harper?
The months with the highest UV index in Harper are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Harper?
July is the warmest month in Harper, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 65.3°F (18.5°C).
What month has the most sunshine in Harper?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
What is the driest month in Harper?
September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 0.98" (25mm) of precipitation.
What is the least humid month in Harper?
With an average relative humidity of 74%, October is the least humid month in Harper, Indiana.
What is the most humid month in Harper?
The most humid month in Harper, Indiana, is December, with an average relative humidity of 82%.
What is the month with the shortest days in Harper?
December has the shortest days of the year in Harper, Indiana, with an average of 9h and 30min of daylight.
When is the lowest UV index in Harper?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Harper, IN
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°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 (22.8°F).
Average pressure
Harper, IN
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Harper, IN
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.1mph - Average wind speed in March:
8.8mph - Average wind speed in April:
9mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity
Harper, IN
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Harper, IN
- Average rainfall in January:
1.3" - Average rainfall in February:
1.42" - Average rainfall in March:
1.46" - Average rainfall in April:
1.89" - Average rainfall in May:
2.01" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.38" - Average rainfall in September:
0.98" - Average rainfall in October:
1.46" - Average rainfall in November:
1.3" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days
Harper, IN
- Average rainfall days in January:
8 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
10 days - Average rainfall days in November:
8 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall
Harper, IN
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Harper, IN
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
0.8 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:
0.3 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
6.6 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Harper, IN
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- 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:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
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 0min).
Average sunshine days
Harper, IN
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index
Harper, IN
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Harper, IN
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Harper, IN
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).
Harper, Indiana, USA
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