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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, the same as December, is a wintry winter month in Duncannon, Pennsylvania, with an average temperature varying between 21.6°F (-5.8°C) and 34°F (1.1°C). January is the month when Duncannon experiences its coldest temperatures, averaging a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Duncannon, Pennsylvania, with an average temperature ranging between max 37.9°F (3.3°C) and min 23.4°F (-4.8°C). Duncannon, Pennsylvania, indicates an average high-temperature of a still cold 37.9°F (3.3°C) in February, showing minor variation from January's 34°F (1.1°C). Weather in February »
Weather in March
March, the first month of the spring in Duncannon, is a chilly month, with an average temperature ranging between min 31.3°F (-0.4°C) and max 47.5°F (8.6°C). March's arrival signals an increase in average high-temperatures, moving from February's wintry 37.9°F (3.3°C) to a frosty 47.5°F (8.6°C). Weather in March »
Weather in April
April in Duncannon, Pennsylvania, is a moderate spring month, with an average temperature ranging between min 41.2°F (5.1°C) and max 59.7°F (15.4°C). As Duncannon, Pennsylvania, transitions into April, the average high-temperature is observed to rise from a frosty 47.5°F (8.6°C) in March to a refreshing 59.7°F (15.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Duncannon, Pennsylvania, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 50.9°F (10.5°C). The start of May brings a rise in the average high-temperature, moving from a refreshing 59.7°F (15.4°C) in April to an agreeable 70.2°F (21.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Duncannon, Pennsylvania, with an average temperature varying between 78.3°F (25.7°C) and 57.7°F (14.3°C). A soft shift in the average high-temperature is noticeable in June, transitioning from a pleasant 70.2°F (21.2°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Duncannon, Pennsylvania, with an average temperature varying between 83.7°F (28.7°C) and 63.1°F (17.3°C). Duncannon's July weather, marked by an average high temperature of 83.7°F (28.7°C) and an average low temperature of 63.1°F (17.3°C), is the warmest in the year. Throughout July, the heat index is evaluated at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Duncannon, Pennsylvania, with an average temperature fluctuating between 81.5°F (27.5°C) and 60.6°F (15.9°C). Duncannon, Pennsylvania, starts August with an average high-temperature of a still warm 81.5°F (27.5°C), hinting at a minimal fluctuation from July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Duncannon, Pennsylvania, with an average temperature ranging between max 74.3°F (23.5°C) and min 54.9°F (12.7°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's 81.5°F (27.5°C) to a still moderately hot 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, in Duncannon, Pennsylvania, is another refreshing autumn month, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 62.4°F (16.9°C). Duncannon's progression into October involves a drop in the average high-temperature, receding from a moderately hot 74.3°F (23.5°C) in September to a refreshing 62.4°F (16.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Duncannon, is also a frosty month, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 49.8°F (9.9°C). The transition into November indicates a reduction in the average high-temperature, down to a chilly 49.8°F (9.9°C) from October's comfortable 62.4°F (16.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Duncannon, Pennsylvania, with an average temperature ranging between min 28.8°F (-1.8°C) and max 40.3°F (4.6°C). Onset of December comes with a temperature decline, the average high falling from a chilly 49.8°F (9.9°C) in November to a wintry 40.3°F (4.6°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Duncannon?
Duncannon's coldest month, January, generally records average temperatures ranging from a high of 34°F (1.1°C) to a low of 21.6°F (-5.8°C).
What is the driest month in Duncannon?
January is the month with the least rainfall in Duncannon, Pennsylvania. Rain falls for 8.8 days and accumulates 2.13" (54mm) of precipitation.
How much does it rain in Duncannon?
Throughout the year, there are 161.8 rainfall days, and 30.71" (780mm) of precipitation is accumulated.
When does it snow in Duncannon?
Months with snowfall in Duncannon are January through May, October through December.
What is the snowiest month in Duncannon?
January is the month with the most snowfall. Snow falls for 8.9 days and accumulates 4.57" (116mm) of snow.
How much does it snow in Duncannon?
In Duncannon, Pennsylvania, during the entire year, snow falls for 28.8 days and aggregates up to 15.67" (398mm) of snow.
What is the month with the lowest UV index in Duncannon?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month in Duncannon?
The most humid month in Duncannon is February, with an average relative humidity of 80%.
What is the month with the least sunshine in Duncannon?
With an average of 4.3h of sunshine, February has the least sunshine of the year.
What are the least humid months in Duncannon?
The months with the lowest humidity in Duncannon, Pennsylvania, are March and April, with an average relative humidity of 75%.
When is Daylight Saving Time (DST) in Duncannon?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Duncannon, Pennsylvania, 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 wettest month in Duncannon?
May is the month with the most rainfall in Duncannon. Rain falls for 18.3 days and accumulates 3.15" (80mm) of precipitation.
When is the highest UV index in Duncannon?
The months with the highest UV index are May through July, with an average maximum UV index of 6.
When it does not snow in Duncannon?
June through September are months without snowfall.
When are the longest days in Duncannon?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What is the hottest time of year in Duncannon?
July, characterized by an average high temperature of 83.7°F (28.7°C) and a low temperature of 63.1°F (17.3°C), is generally the warmest month in Duncannon, Pennsylvania.
What month has the most sunshine in Duncannon?
July has the most sunshine of the year in Duncannon, Pennsylvania, with an average of 10.3h of sunshine.
What is the month with the shortest days in Duncannon?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Duncannon, Pennsylvania.
Average temperature
Duncannon, PA
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Duncannon, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Duncannon, PA
- Average wind speed in January:
7.7mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.5mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Duncannon, PA
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall
Duncannon, PA
- Average rainfall in January:
2.13" - Average rainfall in February:
2.2" - Average rainfall in March:
2.28" - Average rainfall in April:
2.8" - Average rainfall in May:
3.15" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.11" - Average rainfall in August:
2.95" - Average rainfall in September:
2.28" - Average rainfall in October:
2.68" - Average rainfall in November:
2.24" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days
Duncannon, PA
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (8.8 days).
Average snowfall
Duncannon, PA
- Average snowfall in January:
4.57" - Average snowfall in February:
3.58" - Average snowfall in March:
4.29" - Average snowfall in April:
0.28" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Duncannon, PA
- Average snowfall days in January:
8.9 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
0.6 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 January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Duncannon, 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 2min - 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 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - 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 2min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Duncannon, PA
- Average sunshine days in January:
15.6 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
16 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.4 days).
Average UV index
Duncannon, 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 cloud cover
Duncannon, PA
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Duncannon, PA
The months with the highest visibility are March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May and September (5mi).
Duncannon, Pennsylvania, USA
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