Climate and monthly weather forecastHarmonsburg, PA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Harmonsburg, Pennsylvania, with an average temperature ranging between min 18.9°F (-7.3°C) and max 30.4°F (-0.9°C). The month of January, characterized by an average high of 30.4°F (-0.9°C) and a low of 18.9°F (-7.3°C), is recognized as the coldest. Weather in January »Weather in February
February, the last month of the winter in Harmonsburg, is an icy month, with temperature in the range of an average high of 33.8°F (1°C) and an average low of 19.9°F (-6.7°C). The high-temperature average in February for Harmonsburg is an icy 33.8°F (1°C), staying closely aligned with January's conditions. Weather in February »Weather in March
The first month of the spring, March, is also an icy month in Harmonsburg, Pennsylvania, with an average temperature ranging between min 27.9°F (-2.3°C) and max 42.4°F (5.8°C). As Harmonsburg welcomes March, the average high-temperature displays a subtle shift, adjusting from a wintry 33.8°F (1°C) in February to a still icy 42.4°F (5.8°C). Weather in March »Weather in April
April is a fresh spring month in Harmonsburg, Pennsylvania, with an average temperature fluctuating between 37.8°F (3.2°C) and 54.3°F (12.4°C). April's onset witnesses a shift in the average high-temperature, moving from an icy 42.4°F (5.8°C) in March to a cool 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Harmonsburg, Pennsylvania, with an average temperature ranging between max 66.7°F (19.3°C) and min 48.6°F (9.2°C). May's onset brings a rise in the average high-temperature, moving from a cool 54.3°F (12.4°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 Harmonsburg, Pennsylvania, with an average temperature fluctuating between 74.3°F (23.5°C) and 55.8°F (13.2°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a comfortable 66.7°F (19.3°C) to a moderately hot 74.3°F (23.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Harmonsburg, Pennsylvania, with an average temperature ranging between min 61°F (16.1°C) and max 79.3°F (26.3°C). In Harmonsburg, Pennsylvania, temperatures reach their average annual highs in July, measuring 79.3°F (26.3°C) and a minimum average of 61°F (16.1°C). Weather in July »Weather in August
August, the last month of the summer in Harmonsburg, is also a moderately hot month, with an average temperature varying between 77.5°F (25.3°C) and 59.5°F (15.3°C). The transition into August reveals an average high-temperature of a still moderately hot 77.5°F (25.3°C), mirroring a close resemblance to July. Weather in August »Weather in September
September, the first month of the autumn in Harmonsburg, is still a pleasant month, with an average temperature varying between 54.7°F (12.6°C) and 71.6°F (22°C). In Harmonsburg, entering September brings a subtle temperature decrement, reducing from August's moderately hot 77.5°F (25.3°C) to an agreeable 71.6°F (22°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Harmonsburg, Pennsylvania, with an average temperature fluctuating between 59°F (15°C) and 45.3°F (7.4°C). Onset of October comes with a temperature decline, the average high falling from an agreeable 71.6°F (22°C) in September to a refreshing 59°F (15°C). Weather in October »Weather in November
November, the last month of the autumn in Harmonsburg, is also a frosty month, with an average temperature varying between 45.9°F (7.7°C) and 34.2°F (1.2°C). With November's onset, the weather shows a temperature decrease, transitioning from a moderate 59°F (15°C) in October to a frosty 45.9°F (7.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Harmonsburg, Pennsylvania, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 37°F (2.8°C). The average high-temperature slightly decreases in December, shifting from a chilly 45.9°F (7.7°C) in November to an icy 37°F (2.8°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
January is the month that records the lowest temperatures, with averages ranging from a high of 30.4°F (-0.9°C) to a low of 18.9°F (-7.3°C).
In Harmonsburg, during the entire year, the rain falls for 167.5 days and collects up to 24.29" (617mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 20.7 days and accumulates 6.42" (163mm) of snow.
In Harmonsburg, during the entire year, snow falls for 79.8 days and aggregates up to 25.39" (645mm) of snow.
The month with the least sunshine is January, with an average of 2.4h of sunshine.
February is the most humid month in Harmonsburg, with an average relative humidity of 89%.
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.
The months with the lowest humidity in Harmonsburg are April through August, with an average relative humidity of 80%.
June is the month with the most rainfall. Rain falls for 16.6 days and accumulates 2.72" (69mm) of precipitation.
In Harmonsburg, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The temperatures reach their highest averages in July, with highs of 79.3°F (26.3°C) and lows of 61°F (16.1°C).
July has the most sunshine of the year, with an average of 10.2h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index in Harmonsburg.
The month with the least rainfall is November, when the rain falls for 13.1 days and typically collects 1.42" (36mm) of precipitation.
With an average of 9h and 12min of daylight, December has the shortest days of the year in Harmonsburg.
December is the month with the lowest UV index in Harmonsburg, with an average maximum UV index of 1.
Average temperature
Harmonsburg, PA
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Harmonsburg, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.93"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:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Harmonsburg, PA
- Average wind speed in January:
9.2mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.2mph - Average wind speed in April:
8mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Harmonsburg, PA
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May, June, July and August (80%).
Average rainfall
Harmonsburg, PA
- Average rainfall in January:
1.81" - Average rainfall in February:
1.57" - Average rainfall in March:
1.89" - Average rainfall in April:
2.32" - Average rainfall in May:
2.44" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.97" - Average rainfall in September:
1.61" - Average rainfall in October:
2.44" - Average rainfall in November:
1.42" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days
Harmonsburg, PA
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
17 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (7.6 days).
Average snowfall
Harmonsburg, PA
- Average snowfall in January:
6.42" - Average snowfall in February:
5.08" - Average snowfall in March:
2.76" - Average snowfall in April:
1.18" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harmonsburg, PA
- Average snowfall days in January:
20.7 days - Average snowfall days in February:
16.8 days - Average snowfall days in March:
10.4 days - Average snowfall days in April:
4.3 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:
0.7 days - Average snowfall days in November:
9.9 days - Average snowfall days in December:
16.5 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harmonsburg, PA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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:
2h and 24min - Average sunshine in February:
2h and 54min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 12min - Average sunshine in December:
2h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days
Harmonsburg, PA
- Average sunshine days in January:
6.8 days - Average sunshine days in February:
6.7 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
12 days - Average sunshine days in September:
12.4 days - Average sunshine days in October:
10.6 days - Average sunshine days in November:
11.8 days - Average sunshine days in December:
7 days
The month with the most sunshine days is July (12.5 days).
The month with the least sunshine days is February (6.7 days).
Average UV index
Harmonsburg, PA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Harmonsburg, PA
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility
Harmonsburg, PA
The months with the highest visibility are April, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
