Climate and monthly weather forecastKing of Prussia, PA
Climate and monthly weather forecast
The climate of King of Prussia
King of Prussia, located in Pennsylvania, USA, experiences a Humid subtropical climate, as indicated by its Köppen climate classification "Cfa". This classification suggests there is no dry season, and moist weather conditions pervade year-round. Throughout the year, the weather in this region varies significantly, from chilly winters to mildly hot summers, rendering it a locale of diverse climatic occurrences.Changes in weather parameters such as humidity, rainfall, snowfall, and daylight hours are witnessed throughout the year. The highest average temperatures in the area flits between 85.6°F (29.8°C) in July to 36.7°F (2.6°C) in January. On the contrary, the lowest temperature fluctuates from 67.5°F (19.7°C) in July and drops to 24.3°F (-4.3°C) in January. Interestingly, humidity remains relatively stable year-round, with the highest relative humidity measured at 79% in February and December and the lowest at 72% in April and July.
Precipitation in the King of Prussia region is a year-round affair, with rainfall ranging from 0.91" (23mm) in February to a slightly higher 1.89" (48mm) in July. The accumulation of snow is mostly witnessed during the colder months, with January and December receiving an average snowfall of 0.51" (13mm) and 0.35" (9mm) respectively. Daylight hours, as expected, are at a premium during the summer, peaking at 15 hours in June and dwindling down to just 9.4 hours in December.
The best time to visit King of Prussia
The optimal time to visit King of Prussia is between May and October when temperatures range from an amiable 71.4°F (21.9°C) to a warm 79.5°F (26.4°C). These months gather a steady dose of sunshine, affording 8.5 hours in May, peaking to 10.7 hours in July, and dwindling down to 8.8 hours in September. Relative humidity remains relatively stable, making the weather quite comfortable. However, one must bear in mind that these months see the highest rainfall levels ranging from 1.42" (36mm) to 1.89" (48mm). Tourists can enjoy long daylight hours up to a maximum of 15 hours in June.The worst time to visit King of Prussia
Travellers might want to avoid visiting between November and March when the temperatures oscillate between a frigid 36.7°F (2.6°C) and 51.6°F (10.9°C). As King of Prussia exhibits a cold weather pattern during these months, snowfall is common, reaching 0.51" (13mm) in January, impeding outdoor activities. Daylight hours also take a hit, diminishing to the lowest point of the year, with December providing a mere 9.4 hours.Spring weather in King of Prussia
The spring months in King of Prussia from March to May usher in moderate temperatures. March commences with an average high temperature of 48.6°F (9.2°C), escalating steadily to 71.4°F (21.9°C) by May. Correspondingly, the lows move up from 33.4°F (0.8°C) in March to 53.4°F (11.9°C) in May. Precipitation levels also show an upward trend from 1.1" (28mm) in March, increasing to 1.77" (45mm) in May. Spring also marks the return of lengthier daylight hours that increase from 12 hours in March to 14.4 hours by May.Summer weather in King of Prussia
Summer in King of Prussia, cast between June and August, witnesses a rise in temperature, reaching its zenith in July with an average high of 85.6°F (29.8°C). The lowest temperature also follows the upward trend, arriving at 67.5°F (19.7°C) in July. The season charts precipitations from 1.42" (36mm) in June to 1.89" (48mm) in July before falling to 1.77" (45mm) in August. Daylight hours peak at 15 hours in June and eventually drop to 13.7 hours in August.Autumn weather in King of Prussia
Autumn, extending from September to November, embraces a drop in temperature from 76.1°F (24.5°C) in September to 51.6°F (10.9°C) by November. Similarly, the minimum temperature drops down from 59°F (15°C) to 37.6°F (3.1°C) during the same period. Autumn months see a decrease in rainfall volumes from 0.98" (25mm) in September to 1.1" (28mm) by November. Daylight hours shrink from 12.4 hours in September to 10 hours by November.Winter weather in King of Prussia
King of Prussia in wintertime, from December to February, is draped in crisp weather conditions. Temperatures head southward with average highs declining from 42.6°F (5.9°C) in December to 36.7°F (2.6°C) by January. The lowest temperatures follow suit, dropping from 30.9°F (-0.6°C) in December to 24.3°F (-4.3°C) in January. Rainfall during winter measures between 0.98" (25mm) in January and 1.1" (28mm) in February. December witnesses an average snowfall of 0.35" (9mm), making it a true epitome of winter charm.Weather in January
January in King of Prussia, Pennsylvania features typical winter conditions, marked by a chill in the air and the occasional snowfall. Despite the cold, the sun does make an appearance for approximately four hours per day. Roughly half the days in the month are characterized by overcast skies, contributing to the winter scenery. Weather in January »Weather in February
February endures winter's grasp, yet there is a slight increase in temperature compared to January. There is a noticeable extension in daylight hours, signaling the gradual transition from winter to spring. With relative humidity around 79%, there's an unmistakable crispness in the air. Weather in February »Weather in March
March brings more noticeable changes, signifying the onset of spring in King of Prussia. The landscape starts to thaw as temperatures rise, and the days get progressively longer. The snow is replaced by rainfall marking the revitalization of the natural surroundings. Weather in March »Weather in April
April enjoys a substantial upswing in temperature, creating an environment suited for outdoor activities. Daylight hours increase significantly, contributing to warmer afternoons and making way for more sunny days. Cloud coverage decreases slightly, giving way for clear skies. Weather in April »Weather in May
Entering May, King of Prussia witnesses a considerable surge in mercury levels. The weather starts to feel more like summer, wherein longer days, an increase in sunshine hours, and intermittent rainfall become the norm. Likewise, there is a noticeable reduction in cloud cover. Weather in May »Weather in June
In June, King of Prussia is in the full swing of summer. The days reach their longest duration of the year, the UV index goes up, and daylight is abundant. The rainfall is pretty steady but manages to not overshadow the bright and sun-lit days. Weather in June »Weather in July
July is the height of summer for King of Prussia and typically, the hottest month of the year. The long daylight hours and the high UV index characteristic of summer are all present. A decrease in cloud cover brings more clear days, ideal for outdoor excursions and activities. Weather in July »Weather in August
August sees a slight downturn in temperature compared to July, although the summer heat continues to dominate. The daylight hours reduce slightly, indicating the forthcoming end of summer. The fairness of the weather permits a multitude of outdoor activities. Weather in August »Weather in September
September in King of Prussia brings the transition from summer to autumn, resulting in slight changes in daily weather patterns. Gradually, the temperatures start to cool down, and days become shorter. The frequency of rainfall decreases from the summer months, and the lush greenery begins to burst into autumnal hues. Weather in September »Weather in October
In October, the vibrant colors of autumn painting the landscape become quite noticeable. The temperature witnesses a significant drop, nodding to the incoming winter season, and daylight hours also lessen. A crisp autumnal atmosphere envelops King of Prussia, making the environment even more scenic. Weather in October »Weather in November
November is marked by a considerable shift in the weather as King of Prussia moves towards its winter phase. The temperature continues to fall, the daylight hours shorten further, and the landscape slowly transitions into its winter attire. Weather in November »Weather in December
December announces the onset of winter in full swing in King of Prussia. The temperature dips further, daylight hours are the shortest of the year, and the chances of snowfall rise significantly. The landscape is mostly covered in snow, creating picturesque wintertime scenery. Weather in December »Updated: Aug 1, 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, characterized by an average high temperature of 36.7°F (2.6°C) and a low temperature of 24.3°F (-4.3°C), is generally the coldest month in King of Prussia.
In King of Prussia, during the entire year, the rain falls for 138.2 days and collects up to 15.59" (396mm) of precipitation.
January through March, May and December are months with snowfall.
Throughout the year, there are 15.8 snowfall days, and 2.13" (54mm) of snow is accumulated.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
February and October, with an average relative humidity of 79%, are most humid months.
February is the month with the least rainfall in King of Prussia. Rain falls for 8.8 days and accumulates 0.91" (23mm) of precipitation.
The months with the most snowfall are February and March, with an average 0.55" (14mm) of accumulated snow.
With an average of 4.8h of sunshine, February has the least sunshine of the year.
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 are April and July, with an average relative humidity of 72%.
In King of Prussia, snow does not fall in April, June through November.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 15h and 0min of daylight.
July is the month when King of Prussia experiences its warmest temperatures, averaging a high of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C).
The month with the most rainfall is July, when the rain falls for 15 days and typically aggregates up to 1.89" (48mm) of precipitation.
July has the most sunshine of the year, with an average of 10.7h of sunshine.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
King of Prussia, PA
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
King of Prussia, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"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:
30.12"Hg - Average pressure in December:
30.09"Hg
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
King of Prussia, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
King of Prussia, PA
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall
King of Prussia, PA
- Average rainfall in January:
0.98" - Average rainfall in February:
0.91" - Average rainfall in March:
1.1" - Average rainfall in April:
1.34" - Average rainfall in May:
1.77" - Average rainfall in June:
1.42"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days
King of Prussia, PA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
11 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall
King of Prussia, PA
The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days
King of Prussia, PA
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0.1 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight / Average sunshine
King of Prussia, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
King of Prussia, PA
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index
King of Prussia, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
King of Prussia, PA
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
King of Prussia, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
