Climate and monthly weather forecast
Lake Harmony, PA

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Weather in January

January, like December, is a freezing cold winter month in Lake Harmony, Pennsylvania, with an average temperature ranging between max 30.6°F (-0.8°C) and min 18.7°F (-7.4°C). Lake Harmony's January weather reaches an average high of 30.6°F (-0.8°C) and an average low of 18.7°F (-7.4°C), making it the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Lake Harmony, is an icy month, with an average temperature varying between 34.3°F (1.3°C) and 20.5°F (-6.4°C). Transitioning into February, Lake Harmony records an average high-temperature of a wintry 34.3°F (1.3°C), almost identical to January's 30.6°F (-0.8°C). Weather in February »

Weather in March

March, the first month of the spring in Lake Harmony, is also a wintry month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 27.1°F (-2.7°C). March sees a marginal temperature increase, moving from a cold 34.3°F (1.3°C) in February to a still icy 42.3°F (5.7°C). Weather in March »

Weather in April

April is a fresh spring month in Lake Harmony, Pennsylvania, with an average temperature ranging between max 55°F (12.8°C) and min 37.4°F (3°C). In Lake Harmony, stepping into April brings a temperature increase, moving up from March's wintry 42.3°F (5.7°C) to a cool 55°F (12.8°C). Weather in April »

Weather in May

May, the last month of the spring in Lake Harmony, is an enjoyable month, with an average temperature fluctuating between 66.7°F (19.3°C) and 48.2°F (9°C). Lake Harmony's weather in May presents a rise in the average high-temperature, moving from a cool 55°F (12.8°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

June, the first month of the summer in Lake Harmony, is a moderately hot month, with an average temperature varying between 74.7°F (23.7°C) and 55°F (12.8°C). Entering June, Lake Harmony notices a subtle temperature elevation, with the average high-temperature advancing from May's comfortable 66.7°F (19.3°C) to a moderately hot 74.7°F (23.7°C). Weather in June »

Weather in July

July, like June, in Lake Harmony, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 60.1°F (15.6°C) and 80.4°F (26.9°C). Temperature readings reach their annual highs in July, averaging 80.4°F (26.9°C) and a minimum average of 60.1°F (15.6°C). Weather in July »

Weather in August

August, the last month of the summer in Lake Harmony, is also a moderately hot month, with an average temperature ranging between max 77.5°F (25.3°C) and min 58.1°F (14.5°C). Lake Harmony's average high-temperature marks a still moderately hot 77.5°F (25.3°C) with the advent of August, closely mirroring that of the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Lake Harmony, is still a pleasant month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 52.3°F (11.3°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 77.5°F (25.3°C) in August to a pleasant 71.1°F (21.7°C). Weather in September »

Weather in October

October, the same as September, in Lake Harmony, Pennsylvania, is a moderate autumn month, with an average temperature ranging between min 43.5°F (6.4°C) and max 58.1°F (14.5°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's agreeable 71.1°F (21.7°C) to a moderate 58.1°F (14.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Lake Harmony, is also a frosty month, with an average temperature fluctuating between 45.5°F (7.5°C) and 32.4°F (0.2°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a refreshing 58.1°F (14.5°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Lake Harmony, Pennsylvania, with temperature in the range of an average high of 36.3°F (2.4°C) and an average low of 25.5°F (-3.6°C). December's arrival correlates with a reduction in the average high-temperature, down from a frosty 45.5°F (7.5°C) in November to an icy 36.3°F (2.4°C). Weather in December »

Frequently asked questions

What time of the year is the coldest?

January, on average, is the coldest month, registering a high temperature of 30.6°F (-0.8°C) and a low of 18.7°F (-7.4°C).

How much does it rain?

Throughout the year, there are 173.5 rainfall days, and 36.57" (929mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month in Lake Harmony?

The month with the most snowfall is January, when snow falls for 15.4 days and typically aggregates up to 9.02" (229mm) of snow.

How much does it snow?

In Lake Harmony, during the entire year, snow falls for 62.9 days and aggregates up to 38.11" (968mm) of snow.

What are the most humid months?

February and December, with an average relative humidity of 84%, are most humid months.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 3.7h 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.

What is the least humid month?

April, June and July, with an average relative humidity of 78%, are the least humid months.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

When it does not snow?

In Lake Harmony, snow does not fall in June through September.

When are the longest days in Lake Harmony?

June has the longest days of the year, with an average of 15h and 6min of daylight.

What is the warmest month?

Lake Harmony's warmest temperatures are experienced in July, with average high temperatures of 80.4°F (26.9°C) and lows of 60.1°F (15.6°C).

What is the rainiest month in Lake Harmony?

The month with the most rainfall in Lake Harmony is July, when the rain falls for 18.8 days and typically aggregates up to 3.66" (93mm) of precipitation.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 9.9h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 2.01" (51mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

When is the lowest UV index in Lake Harmony?

December is the month with the lowest UV index, with an average maximum UV index of 1.

Average temperature
Lake Harmony, PA

Average temperature - Lake Harmony, PA

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure
Lake Harmony, PA

Average pressure - Lake Harmony, PA

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Lake Harmony, PA

Average wind speed - Lake Harmony, PA

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity
Lake Harmony, PA

Average humidity - Lake Harmony, PA

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall
Lake Harmony, PA

Average rainfall - Lake Harmony, PA

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days
Lake Harmony, PA

Average rainfall days - Lake Harmony, PA

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (9.2 days).

Average snowfall
Lake Harmony, PA

Average snowfall - Lake Harmony, PA

The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Lake Harmony, PA

Average snowfall days - Lake Harmony, PA

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Lake Harmony, PA

Average daylight / Average sunshine - Lake Harmony, PA

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days
Lake Harmony, PA

Average sunshine days - Lake Harmony, PA

The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (9.4 days).

Average UV index
Lake Harmony, PA

Average UV index - Lake Harmony, PA

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average visibility
Lake Harmony, PA

Average visibility - Lake Harmony, 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).

Lake Harmony, Pennsylvania, USA

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