Climate and monthly weather forecast
Harmonsburg, PA

Share

Weather in January

January, the same as December, in Harmonsburg, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 30.4°F (-0.9°C). The month of January sees the lowest average temperatures, reaching 30.4°F (-0.9°C) at the peak and 18.9°F (-7.3°C) at the low. Weather in January »

Weather in February

February, the last month of the winter in Harmonsburg, is a wintry month, with an average temperature varying between 33.8°F (1°C) and 19.9°F (-6.7°C). The commencement of February brings an average high-temperature of a wintry 33.8°F (1°C), marking an inconsequential divergence from January. Weather in February »

Weather in March

The first month of the spring, March, is also a wintry month in Harmonsburg, Pennsylvania, with an average temperature varying between 42.4°F (5.8°C) and 27.9°F (-2.3°C). As March arrives, Harmonsburg's weather shows a minor increase in high-temperatures, edging from February's icy 33.8°F (1°C) to a still cold 42.4°F (5.8°C). Weather in March »

Weather in April

April in Harmonsburg, Pennsylvania, is a fresh spring month, with an average temperature varying between 37.8°F (3.2°C) and 54.3°F (12.4°C). In April, the average high-temperature increases from a wintry 42.4°F (5.8°C) in March to a fresh 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Harmonsburg, Pennsylvania, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 66.7°F (19.3°C). As April transitions into May, Harmonsburg sees a rise in the average high-temperature, moving from a cool 54.3°F (12.4°C) to an enjoyable 66.7°F (19.3°C). Weather in May »

Weather in June

June, the first month of the summer in Harmonsburg, is a warm month, with an average temperature varying between 55.8°F (13.2°C) and 74.3°F (23.5°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from a comfortable 66.7°F (19.3°C) in May 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 fluctuating between 79.3°F (26.3°C) and 61°F (16.1°C). The warmest temperatures occur during July, when averages reach a peak of 79.3°F (26.3°C) and a low 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). With the transition into August, Harmonsburg notes an average high-temperature of a still warm 77.5°F (25.3°C), closely resembling July. Weather in August »

Weather in September

September, the first month of the autumn in Harmonsburg, is also an agreeable month, with an average temperature fluctuating between 71.6°F (22°C) and 54.7°F (12.6°C). As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 77.5°F (25.3°C) in August to an agreeable 71.6°F (22°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Harmonsburg, Pennsylvania, with an average temperature fluctuating between 45.3°F (7.4°C) and 59°F (15°C). Harmonsburg observes a minor decrease in the average high-temperature with the arrival of October, falling from September's pleasant 71.6°F (22°C) 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 fluctuating between 34.2°F (1.2°C) and 45.9°F (7.7°C). As November arrives, Harmonsburg's weather displays a decrease in high-temperatures, transitioning from October's moderate 59°F (15°C) to a chilly 45.9°F (7.7°C). Weather in November »

Weather in December

December, the first month of the winter in Harmonsburg, is also a wintry month, with an average temperature ranging between max 37°F (2.8°C) and min 27.5°F (-2.5°C). December signifies a gentle decline in Harmonsburg's average high-temperature, easing from a frosty 45.9°F (7.7°C) in November to a wintry 37°F (2.8°C). Weather in December »
[Resources]

Frequently asked questions

What is the coldest month in Harmonsburg?

January, recording an average high temperature of 30.4°F (-0.9°C) and a low temperature of 18.9°F (-7.3°C), is Harmonsburg's coldest month.

How many days does it rain in Harmonsburg?

In Harmonsburg, during the entire year, the rain falls for 167.5 days and collects up to 24.29" (617mm) of precipitation.

When does it snow in Harmonsburg?

January through May, October through December are months with snowfall.

What is the snowiest month in Harmonsburg?

January is the month with the most snowfall. Snow falls for 20.7 days and accumulates 6.42" (163mm) of snow.

How much does it snow in Harmonsburg?

Throughout the year, in Harmonsburg, there are 79.8 snowfall days, and 25.39" (645mm) of snow is accumulated.

What is the month with the least sunshine in Harmonsburg?

The month with the least sunshine in Harmonsburg, Pennsylvania, is January, with an average of 2.4h of sunshine.

What is the most humid month in Harmonsburg?

February is the most humid month in Harmonsburg, with an average relative humidity of 89%.

When is Daylight Saving Time (DST) in Harmonsburg?

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.

What are the least humid months in Harmonsburg?

April through August, with an average relative humidity of 80%, are the least humid months in Harmonsburg.

What is the rainiest month in Harmonsburg?

June is the month with the most rainfall. Rain falls for 16.6 days and accumulates 2.72" (69mm) of precipitation.

When it does not snow in Harmonsburg?

June through September are months without snowfall.

When are the longest days in Harmonsburg?

The month with the longest days in Harmonsburg is June, with an average of 15h and 12min of daylight.

What month is the hottest in Harmonsburg?

With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 61°F (16.1°C), July is the warmest month.

What month has the most sunshine in Harmonsburg?

The month with the most sunshine in Harmonsburg is July, with an average of 10.2h of sunshine.

What is the month with the highest UV index in Harmonsburg?

With an average maximum UV index of 6, July is the month with the highest UV index in Harmonsburg.

What is the driest month in Harmonsburg?

November is the month with the least rainfall. Rain falls for 13.1 days and accumulates 1.42" (36mm) of precipitation.

What is the month with the shortest days in Harmonsburg?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

When is the lowest UV index 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

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).

[Resources]

Average pressure
Harmonsburg, PA

Average pressure - Harmonsburg, PA

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed
Harmonsburg, PA

Average wind speed - Harmonsburg, PA

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).

[Resources]

Average humidity
Harmonsburg, PA

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%).

[Resources]

Average rainfall
Harmonsburg, PA

Average rainfall - Harmonsburg, PA

The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is November (1.42").

[Resources]

Average rainfall days
Harmonsburg, PA

Average rainfall days - Harmonsburg, PA

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).

[Resources]

Average snowfall
Harmonsburg, PA

Average snowfall - Harmonsburg, PA

The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Harmonsburg, PA

Average snowfall days - Harmonsburg, PA

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).

[Resources]

Average daylight / Average sunshine
Harmonsburg, PA

Average daylight / Average sunshine - Harmonsburg, PA

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).

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).

[Resources]

Average sunshine days
Harmonsburg, PA

Average sunshine days - Harmonsburg, PA

The month with the most sunshine days is July (12.5 days).
The month with the least sunshine days is February (6.7 days).

[Resources]

Average visibility
Harmonsburg, PA

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).

[Resources]

Harmonsburg, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location