Climate and monthly weather forecast
Sinking Spring, PA

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Weather in January

January, like December, in Sinking Spring, Pennsylvania, is another cold winter month, with an average temperature fluctuating between 35.1°F (1.7°C) and 22.1°F (-5.5°C). During the coldest month, January, temperatures average a high of 35.1°F (1.7°C) and a low of 22.1°F (-5.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Sinking Spring, Pennsylvania, with an average temperature varying between 37.9°F (3.3°C) and 23.5°F (-4.7°C). February brings an average high-temperature of a still cold 37.9°F (3.3°C), showing a slight difference from January's 35.1°F (1.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Sinking Spring, Pennsylvania, with an average temperature fluctuating between 46.9°F (8.3°C) and 31.1°F (-0.5°C). As March begins, there is an increase in the average high-temperature, moving from an icy 37.9°F (3.3°C) in February to a chilly 46.9°F (8.3°C). Weather in March »

Weather in April

April is a mild spring month in Sinking Spring, Pennsylvania, with an average temperature varying between 59.5°F (15.3°C) and 41.2°F (5.1°C). The onset of April marks an increase in the average high-temperature, moving from a frosty 46.9°F (8.3°C) in March to a refreshing 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Sinking Spring, Pennsylvania, with an average temperature varying between 51.3°F (10.7°C) and 69.4°F (20.8°C). May's arrival brings a change in high-temperatures, moving from a moderate 59.5°F (15.3°C) in April to an agreeable 69.4°F (20.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Sinking Spring, Pennsylvania, with an average temperature fluctuating between 77.2°F (25.1°C) and 58.6°F (14.8°C). The beginning of June signals a minor rise in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in May to a warm 77.2°F (25.1°C). Weather in June »

Weather in July

July, like June, in Sinking Spring, Pennsylvania, is another warm summer month, with an average temperature varying between 82.6°F (28.1°C) and 63.7°F (17.6°C). July temperatures tend to peak at an average high of 82.6°F (28.1°C) and dip to a low of 63.7°F (17.6°C). The heat index in July is estimated at a tropical 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Sinking Spring, is another warm month, with an average temperature fluctuating between 61.7°F (16.5°C) and 80.6°F (27°C). The transition into August marks the average high-temperature at a still moderately hot 80.6°F (27°C), differing minimally from July's 82.6°F (28.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Sinking Spring, Pennsylvania, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 74.5°F (23.6°C). With the onset of September, Sinking Spring's average high-temperature slightly adjusts, moderately receding from August's moderately hot 80.6°F (27°C) to a still warm 74.5°F (23.6°C). Weather in September »

Weather in October

October, like September, in Sinking Spring, Pennsylvania, is another comfortable autumn month, with an average temperature ranging between min 46.4°F (8°C) and max 62.2°F (16.8°C). The start of October involves a temperature drop, moving from a warm 74.5°F (23.6°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Sinking Spring, Pennsylvania, with an average temperature ranging between max 50°F (10°C) and min 35.2°F (1.8°C). A change in temperatures is noted as October gives way to November, with average highs reducing from an enjoyable 62.2°F (16.8°C) to a cool 50°F (10°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Sinking Spring, Pennsylvania, with an average temperature ranging between min 29.3°F (-1.5°C) and max 40.6°F (4.8°C). With December's arrival, Sinking Spring, Pennsylvania, sees a decrease in average high-temperatures, moving from a fresh 50°F (10°C) in November to a wintry 40.6°F (4.8°C). Weather in December »

Frequently asked questions

What time of the year is the coldest?

Sinking Spring's coldest weather arrives in January, when temperatures average a high of 35.1°F (1.7°C) and a low of 22.1°F (-5.5°C).

How much does it rain?

Throughout the year, there are 158.3 rainfall days, and 29.76" (756mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

In Sinking Spring, during the entire year, snow falls for 26.5 days and aggregates up to 12.64" (321mm) of snow.

What is the month with the lowest UV index?

The months with the lowest UV index in Sinking Spring are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month?

The months with the highest humidity are February and October, with an average relative humidity of 81%.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.6h of sunshine.

When does it snow the most?

March is the month with the most snowfall. Snow falls for 5.3 days and accumulates 3.54" (90mm) of snow.

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 is the least humid month, with an average relative humidity of 76%.

What are the months with the highest UV index?

May through July, with an average maximum UV index of 6, are months with the highest UV index.

When it does not snow?

In Sinking Spring, snow does not fall in June through September.

When are the longest days?

With an average of 15h and 0min of daylight, June has the longest days of the year.

What month is the hottest?

The temperatures reach their highest averages in July, with highs of 82.6°F (28.1°C) and lows of 63.7°F (17.6°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 14.9 days and typically aggregates up to 2.95" (75mm) of precipitation.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.85" (47mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

Average temperature
Sinking Spring, PA

Average temperature - Sinking Spring, PA

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.1°F).

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure
Sinking Spring, PA

Average pressure - Sinking Spring, PA

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
Sinking Spring, PA

Average wind speed - Sinking Spring, PA

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity
Sinking Spring, PA

Average humidity - Sinking Spring, PA

The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall
Sinking Spring, PA

Average rainfall - Sinking Spring, PA

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days
Sinking Spring, PA

Average rainfall days - Sinking Spring, PA

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.8 days).

Average snowfall
Sinking Spring, PA

Average snowfall - Sinking Spring, PA

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Sinking Spring, PA

Average snowfall days - Sinking Spring, PA

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Sinking Spring, PA

Average daylight / Average sunshine - Sinking Spring, PA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days
Sinking Spring, PA

Average sunshine days - Sinking Spring, PA

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.2 days).

Average UV index
Sinking Spring, PA

Average UV index - Sinking Spring, PA

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Sinking Spring, PA

Average visibility - Sinking Spring, PA

The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).

Sinking Spring, Pennsylvania, USA

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