Expand
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
Climate and monthly weather forecast
Weather in January
January, like December, in Hillsboro, Maryland, is an icy winter month, with an average temperature fluctuating between 40.5°F (4.7°C) and 29.1°F (-1.6°C). The lowest temperatures are recorded in January, with averages reaching a high of 40.5°F (4.7°C) and a low of 29.1°F (-1.6°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Hillsboro, Maryland, with an average temperature fluctuating between 44.2°F (6.8°C) and 31.8°F (-0.1°C). Hillsboro experiences a subtle adjustment in high-temperatures to a chilly 44.2°F (6.8°C) with the onset of February, maintaining near parity with January's 40.5°F (4.7°C). Weather in February »
Weather in March
March, the first month of the spring in Hillsboro, is a fresh month, with an average temperature varying between 50.9°F (10.5°C) and 37.6°F (3.1°C). March's arrival coincides with a marginal rise in the average high-temperature, moving from February's chilly 44.2°F (6.8°C) to a cool 50.9°F (10.5°C). Weather in March »
Weather in April
April is a comfortable spring month in Hillsboro, Maryland, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 47.5°F (8.6°C). In April, the meteorological conditions change with the average high-temperature moving from a fresh 50.9°F (10.5°C) in March to a refreshing 62.2°F (16.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Hillsboro, Maryland, with an average temperature fluctuating between 56.8°F (13.8°C) and 71.8°F (22.1°C). May indicates a change in the average high-temperature, moving up from a comfortable 62.2°F (16.8°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Hillsboro, Maryland, with an average temperature fluctuating between 64.9°F (18.3°C) and 79.7°F (26.5°C). Hillsboro's weather shows a minor temperature rise with the arrival of June, moving from an agreeable 71.8°F (22.1°C) in May to a moderately hot 79.7°F (26.5°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Hillsboro, Maryland, with an average temperature varying between 70.3°F (21.3°C) and 84°F (28.9°C). July proves to be the warmest month, recording an average peak temperature of 84°F (28.9°C) and a minimum temperature of 70.3°F (21.3°C). The heat index in July is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Hillsboro, Maryland, with an average temperature fluctuating between 82.9°F (28.3°C) and 68.4°F (20.2°C). With the onset of August, a modest change to a still warm 82.9°F (28.3°C) from July's 84°F (28.9°C) is noted in high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Hillsboro, Maryland, with an average temperature fluctuating between 62.8°F (17.1°C) and 77.2°F (25.1°C). September signals a slight drop in average high-temperature, sliding from August's moderately hot 82.9°F (28.3°C) to a still warm 77.2°F (25.1°C). Weather in September »
Weather in October
October, like September, in Hillsboro, Maryland, is another enjoyable autumn month, with an average temperature varying between 53.6°F (12°C) and 66.6°F (19.2°C). The shift from September to October corresponds with a decrease in the average high-temperature, down to an enjoyable 66.6°F (19.2°C) from a moderately hot 77.2°F (25.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Hillsboro, is also a fresh month, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 42.4°F (5.8°C). The start of November comes with a reduction in the average high-temperature, receding from a refreshing 66.6°F (19.2°C) in October to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in Hillsboro, is also a frosty month, with an average temperature ranging between min 35.8°F (2.1°C) and max 46.6°F (8.1°C). The average high-temperature shows a slight dip in December, from November's fresh 54.5°F (12.5°C) to a frosty 46.6°F (8.1°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?
Hillsboro experiences its average lowest temperatures in January, reaching a peak of 40.5°F (4.7°C) and a minimum of 29.1°F (-1.6°C).
What is the least humid month?
With an average relative humidity of 73%, January is the least humid month in Hillsboro.
What is the driest month?
The month with the least rainfall in Hillsboro is January, when the rain falls for 9.1 days and typically collects 1.69" (43mm) of precipitation.
How many days does it rain?
In Hillsboro, Maryland, during the entire year, the rain falls for 154.5 days and collects up to 28.66" (728mm) of precipitation.
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 3.3 days and accumulates 1.5" (38mm) of snow.
How much does it snow?
Throughout the year, there are 9.1 snowfall days, and 4.21" (107mm) of snow is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 5.1h of sunshine.
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?
April through October are months without snowfall.
What is the most humid month?
May and August, with an average relative humidity of 79%, are most humid months.
What are the months with the highest UV index in Hillsboro?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What is the hottest time of year?
In Hillsboro, Maryland, the peak temperatures are generally noted in July, averaging a high of 84°F (28.9°C) and a low of 70.3°F (21.3°C).
What month has the most sunshine?
With an average of 10.7h of sunshine, July has the most sunshine of the year.
What is the rainiest month?
August is the month with the most rainfall in Hillsboro. Rain falls for 15.8 days and accumulates 3.46" (88mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Hillsboro, MD
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (40.5°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 (29.1°F).
Average pressure
Hillsboro, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Hillsboro, MD
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.5mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6mph - Average wind speed in September:
7mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Hillsboro, MD
The months with the highest relative humidity are May and August (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall
Hillsboro, MD
- Average rainfall in January:
1.69" - Average rainfall in February:
1.97" - Average rainfall in March:
2.2" - Average rainfall in April:
1.93" - Average rainfall in May:
2.52" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.39" - Average rainfall in August:
3.46" - Average rainfall in September:
1.97" - Average rainfall in October:
2.52" - Average rainfall in November:
1.89" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days
Hillsboro, MD
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.9 days).
Average snowfall
Hillsboro, MD
The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Hillsboro, MD
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
1.6 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:
0.2 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Hillsboro, 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 1min - 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 1min - 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 2min
- Average sunshine in July:
10h and 4min - 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Hillsboro, MD
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index
Hillsboro, 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 and December (UV index 2).
Average cloud cover
Hillsboro, 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
Hillsboro, 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).