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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, is an icy winter month in Harpers Mill, Maryland, with an average temperature fluctuating between 38.8°F (3.8°C) and 27.7°F (-2.4°C). The month of January, characterized by an average high of 38.8°F (3.8°C) and a low of 27.7°F (-2.4°C), is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Harpers Mill, Maryland, with an average temperature varying between 43°F (6.1°C) and 30°F (-1.1°C). Harpers Mill's weather, upon February's arrival, documents an average high-temperature of a frosty 43°F (6.1°C), nearly identical to the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Harpers Mill, Maryland, with an average temperature varying between 50.9°F (10.5°C) and 37°F (2.8°C). As March arrives, a slight rise in the average high-temperature is observed, moving from a chilly 43°F (6.1°C) in February to a fresh 50.9°F (10.5°C). Weather in March »
Weather in April
April in Harpers Mill, Maryland, is a comfortable spring month, with an average temperature varying between 46.9°F (8.3°C) and 63.1°F (17.3°C). April's onset is marked by a temperature increase, moving from a fresh 50.9°F (10.5°C) in March to an enjoyable 63.1°F (17.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Harpers Mill, Maryland, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 72.3°F (22.4°C). As May sets, the average high-temperature shows an increase, moving up from a refreshing 63.1°F (17.3°C) in April to a pleasant 72.3°F (22.4°C). Weather in May »
Weather in June
June, the first month of the summer in Harpers Mill, is a warm month, with an average temperature varying between 80.8°F (27.1°C) and 64.8°F (18.2°C). With the onset of June, Harpers Mill experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 72.3°F (22.4°C) in May to a moderately hot 80.8°F (27.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Harpers Mill, Maryland, with an average temperature ranging between max 85.5°F (29.7°C) and min 70.3°F (21.3°C). In Harpers Mill, the month of July is known for its highest average temperatures, reaching a high of 85.5°F (29.7°C) and a low of 70.3°F (21.3°C). July's average heat index is computed to be a torrid 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Harpers Mill, Maryland, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 68.9°F (20.5°C). Harpers Mill observes a minor difference in average high-temperatures between July's 85.5°F (29.7°C) and August's 83.8°F (28.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Harpers Mill, Maryland, with an average temperature varying between 77.2°F (25.1°C) and 62.4°F (16.9°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 83.8°F (28.8°C) to a still warm 77.2°F (25.1°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Harpers Mill, Maryland, with an average temperature varying between 52.3°F (11.3°C) and 65.3°F (18.5°C). As September transitions to October, the average high-temperature falls from a warm 77.2°F (25.1°C) to a comfortable 65.3°F (18.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Harpers Mill, is also a fresh month, with an average temperature ranging between max 53.6°F (12°C) and min 40.6°F (4.8°C). The arrival of November signals a shift in temperature, down from an enjoyable 65.3°F (18.5°C) in October to a fresh 53.6°F (12°C). Weather in November »
Weather in December
December, the first month of the winter in Harpers Mill, is also a frosty month, with an average temperature ranging between max 45.5°F (7.5°C) and min 34.5°F (1.4°C). The transition to December results in a modest reduction in average high-temperature, moving from a cool 53.6°F (12°C) in November to a chilly 45.5°F (7.5°C). Weather in December »
Updated: Jun 4, 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 part of the year is the coldest?
Harpers Mill's temperature records reveal January as the coldest month, marked by average highs of 38.8°F (3.8°C) and lows of 27.7°F (-2.4°C).
What is the driest month?
January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.81" (46mm) of precipitation.
How many days does it rain?
Throughout the year, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 2.09" (53mm) of snow.
How many days does it snow?
Throughout the year, there are 11.9 snowfall days, and 5.75" (146mm) of snow is accumulated.
When is the lowest UV index?
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 5.1h of sunshine.
What are the least humid months?
The months with the lowest humidity are March, April and July, with an average relative humidity of 72%.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
When it does not snow?
In Harpers Mill, snow does not fall in April through October.
What is the most humid month?
With an average relative humidity of 77%, May is the most humid month.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What is the warmest month?
July is the month when Harpers Mill's temperatures reach their peak, with averages of 85.5°F (29.7°C) and lows of 70.3°F (21.3°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.9h of sunshine.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 4.09" (104mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Harpers Mill, MD
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
Harpers Mill, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Harpers Mill, MD
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Harpers Mill, MD
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).
Average rainfall
Harpers Mill, MD
- Average rainfall in January:
1.81" - Average rainfall in February:
1.97" - Average rainfall in March:
2.17" - Average rainfall in April:
2.28" - Average rainfall in May:
2.95" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.62" - Average rainfall in August:
4.09" - Average rainfall in September:
2.2" - Average rainfall in October:
2.24" - Average rainfall in November:
2.01" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days
Harpers Mill, MD
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
18 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).
Average snowfall
Harpers Mill, MD
The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Harpers Mill, MD
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0 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 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.1 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Harpers Mill, MD
- 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:
5h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Harpers Mill, MD
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
14 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).
Average UV index
Harpers Mill, MD
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover
Harpers Mill, MD
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Harpers Mill, MD
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).
Harpers Mill, Maryland, USA
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