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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, in Mount Jackson, Pennsylvania, is a freezing cold winter month, with an average temperature varying between 18.9°F (-7.3°C) and 31.5°F (-0.3°C). With average high temperatures of 31.5°F (-0.3°C) and lows of 18.9°F (-7.3°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Mount Jackson, is an icy month, with an average temperature ranging between max 35.4°F (1.9°C) and min 20.7°F (-6.3°C). Mount Jackson in February witnesses an average high-temperature of a cold 35.4°F (1.9°C), indicating a slight variation from January's 31.5°F (-0.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Mount Jackson, Pennsylvania, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 46°F (7.8°C). Mount Jackson sees a rise in temperature during March, with average high-temperatures transitioning from a wintry 35.4°F (1.9°C) in February to a frosty 46°F (7.8°C). Weather in March »
Weather in April
April in Mount Jackson, Pennsylvania, is a refreshing spring month, with an average temperature fluctuating between 39.2°F (4°C) and 58.6°F (14.8°C). April's arrival signals a temperature shift, moving from a chilly 46°F (7.8°C) in March to a mild 58.6°F (14.8°C). Weather in April »
Weather in May
May, the last month of the spring in Mount Jackson, is an agreeable month, with an average temperature varying between 49.6°F (9.8°C) and 70.7°F (21.5°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's mild 58.6°F (14.8°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 warm month in Mount Jackson, Pennsylvania, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 77.5°F (25.3°C). Mount Jackson's weather shows a minor temperature rise with the arrival of June, moving from an agreeable 70.7°F (21.5°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, like June, in Mount Jackson, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 82°F (27.8°C) and 60.8°F (16°C). The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 60.8°F (16°C). In July, the average heat index is evaluated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Mount Jackson, is another warm month, with an average temperature fluctuating between 59°F (15°C) and 80.6°F (27°C). Mount Jackson's shift into August is marked by a subtle change to a still warm 80.6°F (27°C) from July's 82°F (27.8°C) in temperature. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Mount Jackson, Pennsylvania, with an average temperature fluctuating between 54°F (12.2°C) and 73.8°F (23.2°C). Mount Jackson's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 80.6°F (27°C) in August to a still warm 73.8°F (23.2°C). Weather in September »
Weather in October
October, the same as September, in Mount Jackson, Pennsylvania, is a moderate autumn month, with an average temperature varying between 60.4°F (15.8°C) and 44.2°F (6.8°C). Mount Jackson's October weather features a mild decline in high-temperatures, reducing from a warm 73.8°F (23.2°C) in September to a mild 60.4°F (15.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Mount Jackson, is another chilly month, with an average temperature ranging between min 33.1°F (0.6°C) and max 47.7°F (8.7°C). As November commences, the average high-temperature shows a reduction, transitioning from a mild 60.4°F (15.8°C) in October to a frosty 47.7°F (8.7°C). Weather in November »
Weather in December
December, the first month of the winter in Mount Jackson, is still a cold month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 38.1°F (3.4°C). Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 47.7°F (8.7°C) in November to a wintry 38.1°F (3.4°C). Weather in December »
Updated: Aug 29, 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 is the coldest time of year?
January, known for its average high temperature of 31.5°F (-0.3°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest month.
How many days does it rain?
In Mount Jackson, during the entire year, the rain falls for 177.6 days and collects up to 34.92" (887mm) of precipitation.
When does it snow?
Months with snowfall in Mount Jackson are January through May, October through December.
When does it snow the most?
The month with the most snowfall in Mount Jackson is January, when snow falls for 18.6 days and typically aggregates up to 6.93" (176mm) of snow.
How much does it snow?
Throughout the year, there are 68.2 snowfall days, and 25.2" (640mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 2.5h of sunshine, January has the least sunshine of the year.
What is the most humid month?
The most humid month is February, with an average relative humidity of 87%.
When is Daylight Saving Time (DST)?
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.
What are the least humid months?
The months with the lowest humidity are April through August, with an average relative humidity of 78%.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.66" (93mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What part of the year is the hottest in Mount Jackson?
July is the month that records the highest temperatures, with averages ranging from a high of 82°F (27.8°C) to a low of 60.8°F (16°C).
When is the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10h of sunshine.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 11.6 days and typically collects 2.24" (57mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
When is the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Mount Jackson, PA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Mount Jackson, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Mount Jackson, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity
Mount Jackson, PA
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).
Average rainfall
Mount Jackson, PA
- Average rainfall in January:
2.64" - Average rainfall in February:
2.6" - Average rainfall in March:
2.76" - Average rainfall in April:
3.54" - Average rainfall in May:
3.39" - Average rainfall in June:
3.66"
- Average rainfall in July:
3.35" - Average rainfall in August:
2.48" - Average rainfall in September:
2.48" - Average rainfall in October:
3.11" - Average rainfall in November:
2.24" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days
Mount Jackson, PA
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
11.6 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall
Mount Jackson, PA
- Average snowfall in January:
6.93" - Average snowfall in February:
6.02" - Average snowfall in March:
3.5" - Average snowfall in April:
1.02" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mount Jackson, PA
- Average snowfall days in January:
18.6 days - Average snowfall days in February:
15.9 days - Average snowfall days in March:
9.6 days - Average snowfall days in April:
3.2 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:
0.3 days - Average snowfall days in November:
6 days - Average snowfall days in December:
14.3 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mount Jackson, 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 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
2h and 3min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 0min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 1min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 3min - Average sunshine in December:
3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days
Mount Jackson, PA
- Average sunshine days in January:
7.7 days - Average sunshine days in February:
7 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
9.4 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7 days).
Average UV index
Mount Jackson, PA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Mount Jackson, PA
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Mount Jackson, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).
Mount Jackson, Pennsylvania, USA
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