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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 Harford, Pennsylvania, is a freezing cold winter month, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 28.6°F (-1.9°C). With average high and low temperatures of 28.6°F (-1.9°C) and 17.1°F (-8.3°C) respectively, January is Harford's coldest month. Weather in January »
Weather in February
February, the last month of the winter in Harford, is also a subzero cold month, with an average temperature fluctuating between 19°F (-7.2°C) and 31.8°F (-0.1°C). In February, Harford experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 28.6°F (-1.9°C) in January to a still freezing cold 31.8°F (-0.1°C). Weather in February »
Weather in March
March, the first month of the spring in Harford, is a cold month, with an average temperature varying between 40.8°F (4.9°C) and 25.5°F (-3.6°C). With the onset of March, the average high-temperature slightly shifts from February's subzero cold 31.8°F (-0.1°C) to a wintry 40.8°F (4.9°C). Weather in March »
Weather in April
April is a cool spring month in Harford, Pennsylvania, with an average temperature fluctuating between 53.4°F (11.9°C) and 35.8°F (2.1°C). The beginning of April signals a rise in the average high-temperature, moving from a wintry 40.8°F (4.9°C) in March to a fresh 53.4°F (11.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Harford, Pennsylvania, with an average temperature fluctuating between 66.7°F (19.3°C) and 46.4°F (8°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a fresh 53.4°F (11.9°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Harford, Pennsylvania, with an average temperature varying between 73.9°F (23.3°C) and 52.9°F (11.6°C). Harford perceives a slight temperature ascent during June, with average high-temperatures adjusting from an enjoyable 66.7°F (19.3°C) in May to a warm 73.9°F (23.3°C). Weather in June »
Weather in July
July, like June, in Harford, Pennsylvania, is a moderately hot summer month, with an average temperature ranging between max 79.9°F (26.6°C) and min 57.9°F (14.4°C). Harford records the warmest temperatures in July, averaging a high of 79.9°F (26.6°C) and a low of 57.9°F (14.4°C). Weather in July »
Weather in August
August, the last month of the summer in Harford, is also a moderately hot month, with an average temperature fluctuating between 55.9°F (13.3°C) and 77.4°F (25.2°C). August brings an average high-temperature of a still moderately hot 77.4°F (25.2°C), nearly identical to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Harford, Pennsylvania, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 70.7°F (21.5°C). As August makes way for September, Harford's average high-temperature eases from a moderately hot 77.4°F (25.2°C) to a pleasant 70.7°F (21.5°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Harford, Pennsylvania, with an average temperature varying between 41.9°F (5.5°C) and 57.2°F (14°C). In October, the average high-temperature goes from an agreeable 70.7°F (21.5°C) in September to a mild 57.2°F (14°C). Weather in October »
Weather in November
November, the last month of the autumn in Harford, is another chilly month, with an average temperature fluctuating between 44.2°F (6.8°C) and 30.7°F (-0.7°C). The arrival of November indicates a decrease in the average high-temperature, moving from a refreshing 57.2°F (14°C) in October to a chilly 44.2°F (6.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Harford, Pennsylvania, with an average temperature ranging between max 34.3°F (1.3°C) and min 24.6°F (-4.1°C). With December's onset, the average high-temperature recedes from November's frosty 44.2°F (6.8°C) to a wintry 34.3°F (1.3°C). Weather in December »
Updated: Jul 19, 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 is the coldest time of year?
January, characterized by an average high temperature of 28.6°F (-1.9°C) and a low temperature of 17.1°F (-8.3°C), is generally the coldest month.
What is the driest month?
The month with the least rainfall in Harford is January, when the rain falls for 7.8 days and typically collects 2.2" (56mm) of precipitation.
How many days does it rain?
Throughout the year, there are 163.7 rainfall days, and 32.05" (814mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 80.1 snowfall days, and 41.93" (1065mm) of snow is accumulated.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Harford.
What is the most humid month?
The most humid month is February, with an average relative humidity of 86%.
When does it snow the most?
The month with the most snowfall in Harford is February, when snow falls for 17.8 days and typically aggregates up to 10.2" (259mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 3.1h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Harford, 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 month with the highest UV index in Harford?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days in Harford?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What part of the year is the hottest?
With an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 57.9°F (14.4°C), July is the warmest month.
What is the least humid month?
With an average relative humidity of 78%, July is the least humid month.
What month has the most sunshine in Harford?
July has the most sunshine of the year, with an average of 10h of sunshine.
What is the wettest month?
The month with the most rainfall in Harford is August, when the rain falls for 16.7 days and typically aggregates up to 3.27" (83mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Harford, PA
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.6°F).
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Harford, PA
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"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:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Harford, PA
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.1mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Harford, PA
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall
Harford, PA
- Average rainfall in January:
2.2" - Average rainfall in February:
2.36" - Average rainfall in March:
2.36" - Average rainfall in April:
2.8" - Average rainfall in May:
3.19" - Average rainfall in June:
3.15"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.27" - Average rainfall in September:
2.44" - Average rainfall in October:
2.72" - Average rainfall in November:
2.24" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days
Harford, PA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
19.7 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (7.5 days).
Average snowfall
Harford, PA
- Average snowfall in January:
8.23" - Average snowfall in February:
10.2" - Average snowfall in March:
6.89" - Average snowfall in April:
2.64" - Average snowfall in May:
0.63" - Average snowfall in June:
0"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harford, PA
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
17.8 days - Average snowfall days in March:
13.3 days - Average snowfall days in April:
5.5 days - Average snowfall days in May:
0.5 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:
1.5 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
15.5 days
The months with the highest number of snowfall days are January and February (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harford, PA
- 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 4min - 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 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 0min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 3min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 4min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days
Harford, PA
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
8.9 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12 days - Average sunshine days in September:
14 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
13.6 days - Average sunshine days in December:
9.4 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.8 days).
Average UV index
Harford, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Harford, PA
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility
Harford, PA
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Harford, Pennsylvania, USA
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