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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 Arnold, Pennsylvania, is a wintry winter month, with an average temperature fluctuating between 32.7°F (0.4°C) and 20.3°F (-6.5°C). January tends to be the coldest month, with temperatures averaging a daily 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 a wintry month, with an average temperature varying between 22.5°F (-5.3°C) and 36.9°F (2.7°C). The transition from January to February sees average high-temperatures adjusting to a still wintry 36.9°F (2.7°C), from a not significantly different 32.7°F (0.4°C). Weather in February »
Weather in March
March, the first month of the spring in Arnold, is a frosty month, with temperature in the range of an average high of 47.1°F (8.4°C) and an average low of 30.6°F (-0.8°C). March brings a rise in the average high-temperature, transitioning from February's icy 36.9°F (2.7°C) to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April in Arnold, Pennsylvania, is a mild spring month, with an average temperature varying between 40.5°F (4.7°C) and 59.9°F (15.5°C). With the transition into April, Arnold experiences an increase in average high-temperatures, moving up from a frosty 47.1°F (8.4°C) in March to a mild 59.9°F (15.5°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Arnold, Pennsylvania, with an average temperature ranging between max 71.2°F (21.8°C) and min 50.4°F (10.2°C). May brings a temperature change, with average high-temperatures moving from April's moderate 59.9°F (15.5°C) to a pleasant 71.2°F (21.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Arnold, Pennsylvania, with an average temperature fluctuating between 78.4°F (25.8°C) and 56.8°F (13.8°C). In Arnold, stepping into June brings a gentle temperature nudge, moving slightly up from May's agreeable 71.2°F (21.8°C) to a moderately hot 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Arnold, Pennsylvania, is another warm summer month, with an average temperature ranging between min 61.3°F (16.3°C) and max 82.9°F (28.3°C). With average high temperatures of 82.9°F (28.3°C) and lows of 61.3°F (16.3°C), July is the warmest month. During July, the heat index is appraised at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Arnold, Pennsylvania, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 59.9°F (15.5°C). Arnold's average high-temperature in August sits at a still moderately hot 81.3°F (27.4°C), showing little difference from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Arnold, Pennsylvania, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 54.7°F (12.6°C). The advent of September brings a subtle shift in temperature, with the average high moving from a warm 81.3°F (27.4°C) in August to a still moderately hot 74.8°F (23.8°C). Weather in September »
Weather in October
October, like September, in Arnold, Pennsylvania, is another enjoyable autumn month, with an average temperature fluctuating between 45°F (7.2°C) and 61.3°F (16.3°C). The onset of October results in a decrease in the average high-temperature, receding 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 temperature in the range of an average low of 33.8°F (1°C) and an average high of 48.4°F (9.1°C). As October transitions to November, the average high-temperature falls from a refreshing 61.3°F (16.3°C) to a chilly 48.4°F (9.1°C). Weather in November »
Weather in December
December, the first month of the winter in Arnold, is still a cold month, with an average temperature ranging between max 38.7°F (3.7°C) and min 27.5°F (-2.5°C). With December's arrival, Arnold's weather changes as the average high-temperature falls from a frosty 48.4°F (9.1°C) in November to a wintry 38.7°F (3.7°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Arnold?
Arnold's coldest temperatures are experienced in January, with average high temperatures of 32.7°F (0.4°C) and lows 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 in Arnold?
January through May, October through December are months with snowfall in Arnold.
When does it snow the most in Arnold?
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 much does it snow in Arnold?
In Arnold, Pennsylvania, 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 in Arnold?
With an average of 2.9h of sunshine, January has the least sunshine of the year in Arnold, Pennsylvania.
What is the most humid month in Arnold?
The most humid month in Arnold is February, with an average relative humidity of 85%.
When is Daylight Saving Time (DST) in Arnold?
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 in Arnold?
April, July and August, with an average relative humidity of 76%, are the least humid months in Arnold.
What is the wettest month in Arnold?
The months with the most rainfall in Arnold are April and May, with an average 3.66" (93mm) of precipitation.
When it does not snow in Arnold?
June through September are months without snowfall in Arnold, Pennsylvania.
When are the longest days in Arnold?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What are the warmest months in Arnold?
July is the month when Arnold experiences its warmest temperatures, averaging a high of 82.9°F (28.3°C) and a low of 61.3°F (16.3°C).
What is the month with the highest UV index in Arnold?
The month with the highest UV index is July, with an average maximum UV index of 6.
What month has the most sunshine in Arnold?
With an average of 10.1h of sunshine, August has the most sunshine of the year in Arnold, Pennsylvania.
What is the driest month in Arnold?
November is the month with the least rainfall in Arnold, Pennsylvania. Rain falls for 12 days and accumulates 2.2" (56mm) of precipitation.
What is the month with the shortest days in Arnold?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
When is the lowest UV index in Arnold?
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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