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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 an icy winter month in Arnold, Pennsylvania, with an average temperature ranging between min 20.3°F (-6.5°C) and max 32.7°F (0.4°C). Arnold witnesses the coldest weather in January, with temperatures averaging a high of 32.7°F (0.4°C) and a low of 20.3°F (-6.5°C). Weather in January »
Weather in February
February, the last month of the winter in Arnold, is also an icy month, with an average temperature varying between 22.5°F (-5.3°C) and 36.9°F (2.7°C). Arnold registers an average high-temperature of a still cold 36.9°F (2.7°C) at the commencement of February, closely related to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Arnold, Pennsylvania, with an average temperature ranging between min 30.6°F (-0.8°C) and max 47.1°F (8.4°C). March sees a temperature increase, moving from a cold 36.9°F (2.7°C) in February to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April in Arnold, Pennsylvania, is a refreshing spring month, with an average temperature fluctuating between 40.5°F (4.7°C) and 59.9°F (15.5°C). Arnold experiences a temperature shift with the start of April, with average high-temperatures moving from a chilly 47.1°F (8.4°C) in March to a mild 59.9°F (15.5°C). Weather in April »
Weather in May
May, the last month of the spring in Arnold, is an agreeable month, with an average temperature fluctuating between 71.2°F (21.8°C) and 50.4°F (10.2°C). The beginning of May marks a shift in the average high-temperature, moving from April's moderate 59.9°F (15.5°C) to an agreeable 71.2°F (21.8°C). Weather in May »
Weather in June
June, the first month of the summer in Arnold, is a moderately hot month, with an average temperature fluctuating between 56.8°F (13.8°C) and 78.4°F (25.8°C). With the transition into June, Arnold experiences a subtle uplift in average high-temperatures, adjusting from a pleasant 71.2°F (21.8°C) in May to a warm 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Arnold, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 82.9°F (28.3°C). In Arnold, temperatures reach their average annual highs in July, measuring 82.9°F (28.3°C) and a minimum average of 61.3°F (16.3°C). During July, the heat index is estimated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Arnold, Pennsylvania, with an average temperature varying between 81.3°F (27.4°C) and 59.9°F (15.5°C). The arrival of August sees a recorded average high-temperature of a still moderately hot 81.3°F (27.4°C), showing little divergence from the previous month's conditions. Weather in August »
Weather in September
September, the first month of the autumn in Arnold, is also a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 54.7°F (12.6°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 81.3°F (27.4°C) to a still moderately hot 74.8°F (23.8°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Arnold, Pennsylvania, with an average temperature ranging between min 45°F (7.2°C) and max 61.3°F (16.3°C). Arnold's progression into October includes a drop in the average high-temperature, from a moderately hot 74.8°F (23.8°C) in September to an enjoyable 61.3°F (16.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Arnold, is another chilly month, with an average temperature ranging between max 48.4°F (9.1°C) and min 33.8°F (1°C). The decrease of average high-temperatures is mild in November, with a decline from an enjoyable 61.3°F (16.3°C) in October to a chilly 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Arnold, Pennsylvania, with an average temperature varying between 38.7°F (3.7°C) and 27.5°F (-2.5°C). The average high-temperature drops in December, from November's frosty 48.4°F (9.1°C) to an icy 38.7°F (3.7°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
What are the coldest months?
The coldest temperatures occur during January, when averages reach a peak of 32.7°F (0.4°C) and a low of 20.3°F (-6.5°C).
How many days does it rain in Arnold?
In Arnold, during the entire year, the rain falls for 185.5 days and collects up to 35.59" (904mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 18 days and typically aggregates up to 6.73" (171mm) of snow.
How many days does it snow?
In Arnold, during the entire year, snow falls for 63.1 days and aggregates up to 25.12" (638mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 2.9h of sunshine.
What is the most humid month?
With an average relative humidity of 85%, February is the most humid month.
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 least humid month?
The months with the lowest humidity are April, July and August, with an average relative humidity of 76%.
What is the wettest month?
The months with the most rainfall are April and May, with an average 3.66" (93mm) of precipitation.
When it does not snow in Arnold?
In Arnold, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What is the warmest month?
July brings the highest temperatures, with an average high of 82.9°F (28.3°C) and an average low of 61.3°F (16.3°C).
What is the month with the highest UV index?
July is the month with the highest UV index, with an average maximum UV index of 6.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the driest month?
November is the month with the least rainfall. Rain falls for 12 days and accumulates 2.2" (56mm) 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?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Arnold, PA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Arnold, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"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 (29.95"Hg).
Average wind speed
Arnold, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Arnold, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall
Arnold, PA
- Average rainfall in January:
2.56" - Average rainfall in February:
2.91" - Average rainfall in March:
2.76" - Average rainfall in April:
3.66" - Average rainfall in May:
3.66" - Average rainfall in June:
3.43"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.48" - Average rainfall in September:
2.56" - Average rainfall in October:
3.15" - Average rainfall in November:
2.2" - Average rainfall in December:
2.99"
The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days
Arnold, PA
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
18.4 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
16.1 days - Average rainfall days in November:
12 days - Average rainfall days in December:
13.7 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).
Average snowfall
Arnold, PA
- Average snowfall in January:
6.73" - Average snowfall in February:
6.06" - Average snowfall in March:
3.86" - Average snowfall in April:
0.75" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Arnold, PA
- Average snowfall days in January:
18 days - Average snowfall days in February:
14.4 days - Average snowfall days in March:
8.9 days - Average snowfall days in April:
2.7 days - Average snowfall days in May:
0.2 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:
5.1 days - Average snowfall days in December:
13.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Arnold, 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 2min - 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:
2h and 5min - Average sunshine in February:
3h and 2min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 4min - Average sunshine in December:
3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days
Arnold, PA
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
10.1 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
12 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
14.8 days - Average sunshine days in December:
9 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index
Arnold, 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
Arnold, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Arnold, PA
The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).
Arnold, Pennsylvania, USA
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