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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Dewey Heights, Pennsylvania, is a wintry winter month, with an average temperature fluctuating between 21.6°F (-5.8°C) and 33.8°F (1°C). Dewey Heights's January weather, marked by an average high temperature of 33.8°F (1°C) and an average low temperature of 21.6°F (-5.8°C), is the coldest in the year. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Dewey Heights, Pennsylvania, with an average temperature ranging between max 37.4°F (3°C) and min 23.4°F (-4.8°C). During February, Dewey Heights observes a subtle ascent to a still wintry 37.4°F (3°C) from January's 33.8°F (1°C) in the average high-temperature. Weather in February »
Weather in March
March, the first month of the spring in Dewey Heights, is a chilly month, with an average temperature fluctuating between 46°F (7.8°C) and 30°F (-1.1°C). The shift from February to March sees a slight increase in the average high-temperature, transitioning from a cold 37.4°F (3°C) to a chilly 46°F (7.8°C). Weather in March »
Weather in April
April in Dewey Heights, Pennsylvania, is a mild spring month, with an average temperature ranging between min 40.5°F (4.7°C) and max 58.5°F (14.7°C). The shift into April is marked by a rise in the average high-temperature, moving from March's frosty 46°F (7.8°C) to a refreshing 58.5°F (14.7°C). Weather in April »
Weather in May
May, the last month of the spring in Dewey Heights, is an agreeable month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 50.2°F (10.1°C). May signals a shift in the average high-temperature, moving from April's moderate 58.5°F (14.7°C) to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
June, the first month of the summer in Dewey Heights, is a warm month, with an average temperature ranging between min 57.7°F (14.3°C) and max 77.4°F (25.2°C). With the onset of June, the average high-temperature subtly transitions from a pleasant 69.4°F (20.8°C) in May to a warm 77.4°F (25.2°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Dewey Heights, Pennsylvania, with an average temperature ranging between max 83.3°F (28.5°C) and min 63.3°F (17.4°C). July stands out as Dewey Heights's warmest month, with an average high-temperature of 83.3°F (28.5°C) and a low-temperature of 63.3°F (17.4°C). The heat index value for July is calculated to be a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Dewey Heights, is also a moderately hot month, with an average temperature varying between 81°F (27.2°C) and 61.5°F (16.4°C). August's beginning signals an average high-temperature of a still moderately hot 81°F (27.2°C), barely different from July's 83.3°F (28.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Dewey Heights, Pennsylvania, with an average temperature ranging between min 55°F (12.8°C) and max 74.1°F (23.4°C). A subtle shift in Dewey Heights's weather is observed as August turns into September, with the average high temperature reducing from 81°F (27.2°C) to a still moderately hot 74.1°F (23.4°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Dewey Heights, Pennsylvania, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 61.9°F (16.6°C). October's onset corresponds with a shift in the average high-temperature, moving from a warm 74.1°F (23.4°C) in September to a comfortable 61.9°F (16.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Dewey Heights, is also a frosty month, with an average temperature fluctuating between 34.9°F (1.6°C) and 49.1°F (9.5°C). With the onset of November, Dewey Heights's average high-temperature adjusts, receding from October's enjoyable 61.9°F (16.6°C) to a chilly 49.1°F (9.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Dewey Heights, Pennsylvania, with an average temperature fluctuating between 28.9°F (-1.7°C) and 40.1°F (4.5°C). Dewey Heights's December weather features a mild decline in high-temperatures, reducing from a chilly 49.1°F (9.5°C) in November to a wintry 40.1°F (4.5°C). Weather in December »
Updated: Jul 19, 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
What time of the year is the coldest?
January brings the lowest temperatures, with an average high of 33.8°F (1°C) and an average low of 21.6°F (-5.8°C).
How much does it rain?
In Dewey Heights, during the entire year, the rain falls for 162.5 days and collects up to 31.69" (805mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Dewey Heights, during the entire year, snow falls for 32.3 days and aggregates up to 17.24" (438mm) of snow.
What are the months with the lowest UV index in Dewey Heights?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
The most humid month is February, with an average relative humidity of 81%.
What is the month with the least sunshine?
With an average of 4.5h of sunshine, February has the least sunshine of the year.
What is the snowiest month?
March is the month with the most snowfall. Snow falls for 6.3 days and accumulates 4.88" (124mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dewey Heights, 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 are the least humid months?
April and July, with an average relative humidity of 76%, are the least humid months.
When it does not snow in Dewey Heights?
In Dewey Heights, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What is the month with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What month is the hottest?
The warmest time of the year is July, with temperatures averaging a high of 83.3°F (28.5°C) and a low of 63.3°F (17.4°C).
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 16.3 days and typically aggregates up to 3.19" (81mm) of precipitation.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.93" (49mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Dewey Heights, PA
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Dewey Heights, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"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
Dewey Heights, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- 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:
6.8mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Dewey Heights, PA
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall
Dewey Heights, PA
- Average rainfall in January:
2.32" - Average rainfall in February:
2.2" - Average rainfall in March:
2.6" - Average rainfall in April:
2.87" - Average rainfall in May:
2.91" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.99" - Average rainfall in September:
1.93" - Average rainfall in October:
2.72" - Average rainfall in November:
2.48" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Dewey Heights, PA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
16 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
11 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (9.9 days).
Average snowfall
Dewey Heights, PA
- Average snowfall in January:
3.94" - Average snowfall in February:
4.29" - Average snowfall in March:
4.88" - Average snowfall in April:
0.2" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Dewey Heights, PA
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
6.3 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:
1.1 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Dewey Heights, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 18min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Dewey Heights, PA
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).
Average UV index
Dewey Heights, PA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Dewey Heights, PA
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Dewey Heights, PA
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Dewey Heights, Pennsylvania, USA
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