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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 Stewartstown, Pennsylvania, with an average temperature fluctuating between 36.1°F (2.3°C) and 23.5°F (-4.7°C). January stands out as Stewartstown's coldest month, with temperatures ranging between an average high of 36.1°F (2.3°C) and a low of 23.5°F (-4.7°C). Weather in January »
Weather in February
February, the last month of the winter in Stewartstown, is another cold month, with an average temperature ranging between max 39.7°F (4.3°C) and min 25.7°F (-3.5°C). February's arrival shows an average high-temperature of a still cold 39.7°F (4.3°C), hardly different from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Stewartstown, is a chilly month, with an average temperature fluctuating between 48.7°F (9.3°C) and 33.1°F (0.6°C). The shift into March is accompanied by a temperature increase, with the average high-temperature rising from a cold 39.7°F (4.3°C) in February to a chilly 48.7°F (9.3°C). Weather in March »
Weather in April
April in Stewartstown, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 43°F (6.1°C) and 60.4°F (15.8°C). April sees a temperature increase, moving from a frosty 48.7°F (9.3°C) in March to a mild 60.4°F (15.8°C). Weather in April »
Weather in May
May, the last month of the spring in Stewartstown, is a pleasant month, with an average temperature ranging between min 53.1°F (11.7°C) and max 70.3°F (21.3°C). An escalation in the average high-temperature is seen with the onset of May, moving from a refreshing 60.4°F (15.8°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Stewartstown, Pennsylvania, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 78.3°F (25.7°C). With the onset of June, Stewartstown observes a minor temperature ascent, with the average high-temperature adjusting from May's agreeable 70.3°F (21.3°C) to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July, like June, in Stewartstown, Pennsylvania, is another warm summer month, with an average temperature ranging between min 65.8°F (18.8°C) and max 83.5°F (28.6°C). With its high average temperature of 83.5°F (28.6°C) and a low of 65.8°F (18.8°C), July is regarded as the warmest month. For most parts of July, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Stewartstown, Pennsylvania, with an average temperature ranging between min 63.7°F (17.6°C) and max 81.1°F (27.3°C). August's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 81.1°F (27.3°C) from July's 83.5°F (28.6°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Stewartstown, Pennsylvania, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 57.2°F (14°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from 81.1°F (27.3°C) in August to a still warm 75.2°F (24°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Stewartstown, Pennsylvania, with an average temperature varying between 47.8°F (8.8°C) and 63.1°F (17.3°C). Stewartstown's weather in October involves a decrease in the average high-temperature, moving down from September's warm 75.2°F (24°C) to an enjoyable 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 Stewartstown, Pennsylvania, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 36°F (2.2°C). With November's onset, the average high-temperature recedes from October's refreshing 63.1°F (17.3°C) to a fresh 51.1°F (10.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Stewartstown, Pennsylvania, with an average temperature ranging between max 42.3°F (5.7°C) and min 30.7°F (-0.7°C). The onset of December results in a small decrease in the average high-temperature, moderately receding from a fresh 51.1°F (10.6°C) in November to a wintry 42.3°F (5.7°C). Weather in December »
Updated: Jun 26, 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 month?
January is the coldest month, exhibiting average temperatures of 36.1°F (2.3°C) at the peak and 23.5°F (-4.7°C) at the base.
What is the least humid month?
January, March, April and November, with an average relative humidity of 76%, are the least humid months in Stewartstown.
How much does it rain in Stewartstown?
Throughout the year, there are 145.3 rainfall days, and 24.88" (632mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Stewartstown, during the entire year, snow falls for 19.2 days and aggregates up to 10.59" (269mm) of snow.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 7.3 days and accumulates 1.38" (35mm) of precipitation.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.7h of sunshine.
When does it snow the most?
March is the month with the most snowfall. Snow falls for 4.2 days and accumulates 3.43" (87mm) of snow.
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 is the most humid month?
May is the most humid month, with an average relative humidity of 81%.
When it does not snow?
In Stewartstown, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months?
July, on average, is the warmest month, registering a high temperature of 83.5°F (28.6°C) and a low of 65.8°F (18.8°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.7h of sunshine.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 15.9 days and typically aggregates up to 3.03" (77mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Stewartstown, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure
Stewartstown, 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:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"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:
30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Stewartstown, PA
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.7mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8.2mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Stewartstown, PA
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall
Stewartstown, PA
- Average rainfall in January:
1.5" - Average rainfall in February:
1.38" - Average rainfall in March:
1.85" - Average rainfall in April:
2.01" - Average rainfall in May:
2.56" - Average rainfall in June:
2.2"
- Average rainfall in July:
2.44" - Average rainfall in August:
3.03" - Average rainfall in September:
1.73" - Average rainfall in October:
2.2" - Average rainfall in November:
2.24" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is August (3.03").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days
Stewartstown, PA
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall
Stewartstown, PA
- Average snowfall in January:
2.76" - Average snowfall in February:
1.89" - Average snowfall in March:
3.43" - Average snowfall in April:
0.24" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Stewartstown, PA
- Average snowfall days in January:
5.5 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
4.2 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 days - Average snowfall days in December:
2.9 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Stewartstown, 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Stewartstown, PA
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
19 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index
Stewartstown, PA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Stewartstown, PA
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Stewartstown, 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).
Stewartstown, Pennsylvania, USA
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