Climate and monthly weather forecastSumneytown, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Sumneytown, Pennsylvania, is another cold winter month, with an average temperature varying between 35.2°F (1.8°C) and 22.8°F (-5.1°C). The coldest temperatures occur during January, when averages reach a peak of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Sumneytown, Pennsylvania, with an average temperature ranging between max 38.8°F (3.8°C) and min 25°F (-3.9°C). Sumneytown's February showcases an average high-temperature of a still cold 38.8°F (3.8°C), hardly distinct from January's 35.2°F (1.8°C). Weather in February »Weather in March
March, the first month of the spring in Sumneytown, is a chilly month, with an average temperature varying between 32°F (0°C) and 47.5°F (8.6°C). Sumneytown's weather in March presents a minor rise in the average high-temperature, moving from a wintry 38.8°F (3.8°C) in February to a frosty 47.5°F (8.6°C). Weather in March »Weather in April
April in Sumneytown, Pennsylvania, is a moderate spring month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 60.1°F (15.6°C). As Sumneytown welcomes April, the average high-temperature sees a rise, transitioning from a chilly 47.5°F (8.6°C) in March to a moderate 60.1°F (15.6°C). Weather in April »Weather in May
May, the last month of the spring in Sumneytown, is an agreeable month, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 52°F (11.1°C). The beginning of May marks a shift in the average high-temperature, moving from April's moderate 60.1°F (15.6°C) to an agreeable 70.7°F (21.5°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Sumneytown, Pennsylvania, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 78.8°F (26°C). In Sumneytown, stepping into June brings a gentle temperature nudge, moving slightly up from May's agreeable 70.7°F (21.5°C) to a moderately hot 78.8°F (26°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Sumneytown, Pennsylvania, with an average temperature ranging between max 84.6°F (29.2°C) and min 65.3°F (18.5°C). The warmest period is July, when temperatures fluctuate between an average high of 84.6°F (29.2°C) and a low of 65.3°F (18.5°C). During July, the heat index is appraised at a hot 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Sumneytown, Pennsylvania, with an average temperature varying between 81.9°F (27.7°C) and 63.7°F (17.6°C). The transition into August is marked with an average high-temperature of a still moderately hot 81.9°F (27.7°C), showing an insignificant shift from July's 84.6°F (29.2°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Sumneytown, Pennsylvania, with an average temperature ranging between min 57.2°F (14°C) and max 75.4°F (24.1°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's 81.9°F (27.7°C) to a still warm 75.4°F (24.1°C). Weather in September »Weather in October
October, like September, in Sumneytown, Pennsylvania, is another comfortable autumn month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 47.3°F (8.5°C). The shift from September to October involves a decrease in the average high-temperature, from a moderately hot 75.4°F (24.1°C) to a refreshing 63.1°F (17.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Sumneytown, Pennsylvania, with an average temperature fluctuating between 50.9°F (10.5°C) and 36.5°F (2.5°C). November's onset brings a reduction in the average high-temperature, from a refreshing 63.1°F (17.3°C) in October to a cool 50.9°F (10.5°C). Weather in November »Weather in December
December, the first month of the winter in Sumneytown, is also a wintry month, with an average temperature fluctuating between 41.5°F (5.3°C) and 30.4°F (-0.9°C). As December commences, the average high-temperature shows a reduction, transitioning from a cool 50.9°F (10.5°C) in November to a cold 41.5°F (5.3°C). Weather in December »Updated: Jun 4, 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 brings the lowest temperatures, with an average high of 35.2°F (1.8°C) and an average low of 22.8°F (-5.1°C).
January is the month with the least rainfall. Rain falls for 5.7 days and accumulates 0.87" (22mm) of precipitation.
Throughout the year, there are 128.6 rainfall days, and 15.16" (385mm) of precipitation is accumulated.
Months with snowfall are January through May, November and December.
In Sumneytown, during the entire year, snow falls for 17 days and aggregates up to 5.43" (138mm) of snow.
The months with the lowest UV index in Sumneytown are January through March, November and December, with an average maximum UV index of 2.
With an average relative humidity of 81%, February is the most humid month.
The month with the least sunshine is February, with an average of 4.6h of sunshine.
March is the month with the most snowfall. Snow falls for 3.8 days and accumulates 1.46" (37mm) 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 75%, are the least humid months.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June through October are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
Sumneytown's temperatures peak on average in July, reaching 84.6°F (29.2°C) at their highest and 65.3°F (18.5°C) at their lowest.
The month with the most rainfall in Sumneytown is July, when the rain falls for 15.7 days and typically aggregates up to 1.97" (50mm) of precipitation.
With an average of 10.5h of sunshine, July has the most sunshine of the year.
December has the shortest days of the year in Sumneytown, with an average of 9h and 24min of daylight.
Average temperature
Sumneytown, PA
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure
Sumneytown, 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
Sumneytown, PA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Sumneytown, PA
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall
Sumneytown, PA
- Average rainfall in January:
0.87" - Average rainfall in February:
0.91" - Average rainfall in March:
1.18" - Average rainfall in April:
1.18" - Average rainfall in May:
1.38" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.81" - Average rainfall in September:
0.91" - Average rainfall in October:
1.14" - Average rainfall in November:
1.02" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days
Sumneytown, PA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
14 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall
Sumneytown, PA
- Average snowfall in January:
1.06" - Average snowfall in February:
1.14" - Average snowfall in March:
1.46" - Average snowfall in April:
0.12" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Sumneytown, PA
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sumneytown, 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 42min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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
Sumneytown, PA
- Average sunshine days in January:
20.7 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Sumneytown, 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
Sumneytown, PA
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Sumneytown, 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).
