Climate and monthly weather forecastRittenhouse, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Rittenhouse, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 30.6°F (-0.8°C). January is the month that records the lowest temperatures, with averages ranging from a high of 30.6°F (-0.8°C) to a low of 18.5°F (-7.5°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Rittenhouse, Pennsylvania, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 34.7°F (1.5°C). The high-temperature average in February for Rittenhouse is an icy 34.7°F (1.5°C), staying closely aligned with January's conditions. Weather in February »Weather in March
March, the first month of the spring in Rittenhouse, is a chilly month, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 27°F (-2.8°C). March's arrival brings a slight change in high-temperatures, adjusting from a wintry 34.7°F (1.5°C) in February to a chilly 43.3°F (6.3°C). Weather in March »Weather in April
April is a moderate spring month in Rittenhouse, Pennsylvania, with an average temperature varying between 37.6°F (3.1°C) and 55.6°F (13.1°C). The arrival of April sees a shift in the average high-temperature, moving from a frosty 43.3°F (6.3°C) in March to a moderate 55.6°F (13.1°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Rittenhouse, Pennsylvania, with an average temperature varying between 47.8°F (8.8°C) and 67.6°F (19.8°C). May brings a rise in Rittenhouse's average high-temperature, moving from a moderate 55.6°F (13.1°C) in April to a still refreshing 67.6°F (19.8°C). Weather in May »Weather in June
June, the first month of the summer in Rittenhouse, is a warm month, with an average temperature ranging between min 54.5°F (12.5°C) and max 75°F (23.9°C). June witnesses a subtle temperature ascent, adjusting from a comfortable 67.6°F (19.8°C) in May to a warm 75°F (23.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Rittenhouse, Pennsylvania, with an average temperature ranging between max 81°F (27.2°C) and min 59°F (15°C). With average high and low temperatures of 81°F (27.2°C) and 59°F (15°C) respectively, July is Rittenhouse's warmest month. In July, the heat index is evaluated at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Rittenhouse, Pennsylvania, with an average temperature ranging between min 57.2°F (14°C) and max 78.3°F (25.7°C). Rittenhouse sees the arrival of August with an average high-temperature of a still moderately hot 78.3°F (25.7°C), indicating a subtle variation from July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Rittenhouse, Pennsylvania, with an average temperature fluctuating between 51.6°F (10.9°C) and 71.4°F (21.9°C). During the shift to September, Rittenhouse records a mild decrease in average high-temperature, moving from a moderately hot 78.3°F (25.7°C) in August to a pleasant 71.4°F (21.9°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Rittenhouse, Pennsylvania, with an average temperature ranging between max 59°F (15°C) and min 42.8°F (6°C). The onset of October comes with a shift in the average high-temperature, falling from an agreeable 71.4°F (21.9°C) in September to a mild 59°F (15°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Rittenhouse, Pennsylvania, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 46.2°F (7.9°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a refreshing 59°F (15°C) in October to a frosty 46.2°F (7.9°C). Weather in November »Weather in December
December, the first month of the winter in Rittenhouse, is still a cold month, with an average temperature fluctuating between 25.9°F (-3.4°C) and 36.9°F (2.7°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 46.2°F (7.9°C) to an icy 36.9°F (2.7°C). Weather in December »Updated: Jun 8, 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
The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.5°F (-7.5°C).
The months with the least rainfall are January and September Rain falls for 8.3 days and accumulates 2.09" (53mm) of rain.
Throughout the year, there are 162.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Rittenhouse, Pennsylvania, during the entire year, snow falls for 41.1 days and aggregates up to 21.38" (543mm) of snow.
The months with the least sunshine are January and February, with an average of 3.7h of sunshine.
The most humid month is February, with an average relative humidity of 84%.
The month with the most snowfall is February, when snow falls for 9.9 days and typically aggregates up to 6.42" (163mm) of snow.
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.
April and July, with an average relative humidity of 78%, are the least humid months.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
June through September are months without snowfall in Rittenhouse.
With an average of 15h and 6min of daylight, June has the longest days of the year.
Rittenhouse experiences its average highest temperatures in July, reaching a peak of 81°F (27.2°C) and a minimum of 59°F (15°C).
The month with the most rainfall is July, when the rain falls for 18.6 days and typically aggregates up to 3.23" (82mm) of precipitation.
With an average of 10.1h of sunshine, July has the most sunshine of the year in Rittenhouse, Pennsylvania.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Rittenhouse, PA
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Rittenhouse, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"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
Rittenhouse, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Rittenhouse, PA
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall
Rittenhouse, PA
- Average rainfall in January:
2.09" - Average rainfall in February:
2.17" - Average rainfall in March:
2.28" - Average rainfall in April:
2.68" - Average rainfall in May:
2.87" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.11" - Average rainfall in September:
2.09" - Average rainfall in October:
2.56" - Average rainfall in November:
2.28" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").
Average rainfall days
Rittenhouse, PA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.3 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall
Rittenhouse, PA
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rittenhouse, PA
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
9.9 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
1.6 days - Average snowfall days in May:
0.3 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:
0.2 days - Average snowfall days in November:
3 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rittenhouse, 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 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- 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 18min
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).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days
Rittenhouse, PA
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
12.1 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
9.1 days - Average sunshine days in August:
12 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index
Rittenhouse, 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 cloud cover
Rittenhouse, PA
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility
Rittenhouse, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
