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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 Orrstown, Pennsylvania, with an average temperature varying between 22.1°F (-5.5°C) and 35.1°F (1.7°C). The month of January, characterized by an average high of 35.1°F (1.7°C) and a low of 22.1°F (-5.5°C), is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Orrstown, Pennsylvania, with an average temperature varying between 24.3°F (-4.3°C) and 38.8°F (3.8°C). February observes an average high-temperature of a still icy 38.8°F (3.8°C), marking an insignificant difference from January's 35.1°F (1.7°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Orrstown, Pennsylvania, with an average temperature ranging between max 48.2°F (9°C) and min 31.3°F (-0.4°C). March signals a shift in the average high-temperature, moving from February's icy 38.8°F (3.8°C) to a frosty 48.2°F (9°C). Weather in March »
Weather in April
April is a moderate spring month in Orrstown, Pennsylvania, with an average temperature fluctuating between 60.4°F (15.8°C) and 41.5°F (5.3°C). Orrstown's weather in April shows a rise in the average high-temperature, moving up from March's chilly 48.2°F (9°C) to a refreshing 60.4°F (15.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Orrstown, Pennsylvania, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 71.1°F (21.7°C). As Orrstown transitions into May, a rise in the average high-temperature is observed, moving from a moderate 60.4°F (15.8°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Orrstown, Pennsylvania, with an average temperature ranging between min 58.3°F (14.6°C) and max 78.8°F (26°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's pleasant 71.1°F (21.7°C) to a warm 78.8°F (26°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Orrstown, Pennsylvania, with an average temperature varying between 83.8°F (28.8°C) and 62.4°F (16.9°C). In Orrstown, the highest average temperatures are observed in July, with a high of 83.8°F (28.8°C) and a low of 62.4°F (16.9°C). The heat index value during July is estimated at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Orrstown, is another warm month, with an average temperature fluctuating between 81.7°F (27.6°C) and 61.3°F (16.3°C). Orrstown marks the onset of August with an average high-temperature of a still warm 81.7°F (27.6°C), a subtle shift from July's 83.8°F (28.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Orrstown, is still a warm month, with an average temperature ranging between max 74.3°F (23.5°C) and min 55.4°F (13°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from 81.7°F (27.6°C) in August to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Orrstown, Pennsylvania, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 62.8°F (17.1°C). October's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 74.3°F (23.5°C) in September to an enjoyable 62.8°F (17.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Orrstown, is also a fresh month, with an average temperature varying between 50°F (10°C) and 34.7°F (1.5°C). Onset of November comes with a temperature decline, the average high falling from a comfortable 62.8°F (17.1°C) in October to a cool 50°F (10°C). Weather in November »
Weather in December
December, the first month of the winter in Orrstown, is still a cold month, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 28.9°F (-1.7°C). The onset of December comes with a shift in the average high-temperature, falling from a fresh 50°F (10°C) in November to a wintry 40.8°F (4.9°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Orrstown?
January, with average temperatures reaching a high of 35.1°F (1.7°C) and a low of 22.1°F (-5.5°C), is the coldest month in Orrstown.
What is the driest month in Orrstown?
January is the month with the least rainfall. Rain falls for 7.3 days and accumulates 1.85" (47mm) of precipitation.
How much does it rain in Orrstown?
Throughout the year, in Orrstown, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.
When does it snow in Orrstown?
Months with snowfall in Orrstown, Pennsylvania, are January through May, October through December.
What is the snowiest month in Orrstown?
The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 4.92" (125mm) of snow.
How much does it snow in Orrstown?
In Orrstown, during the entire year, snow falls for 28.8 days and aggregates up to 15.39" (391mm) of snow.
What are the months with the lowest UV index in Orrstown?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What are the most humid months in Orrstown?
February and October, with an average relative humidity of 80%, are most humid months in Orrstown, Pennsylvania.
What is the month with the least sunshine in Orrstown?
With an average of 4.4h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST) in Orrstown?
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 wettest month in Orrstown?
May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 2.95" (75mm) of precipitation.
When it does not snow in Orrstown?
In Orrstown, Pennsylvania, snow does not fall in June through September.
When are the longest days in Orrstown?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Orrstown?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What is the hottest time of year in Orrstown?
July, with its high-temperature average of 83.8°F (28.8°C) and a low-temperature average of 62.4°F (16.9°C), is the warmest month.
What is the least humid month in Orrstown?
The least humid month in Orrstown, Pennsylvania, is July, with an average relative humidity of 75%.
What month has the most sunshine in Orrstown?
The month with the most sunshine in Orrstown is July, with an average of 10.3h of sunshine.
What is the month with the shortest days in Orrstown?
The month with the shortest days in Orrstown is December, with an average of 9h and 24min of daylight.
Average temperature
Orrstown, PA
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure
Orrstown, 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:
29.98"Hg - Average pressure in May:
30.01"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:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Orrstown, PA
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.6mph - Average wind speed in May:
5.9mph - 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:
5.1mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Orrstown, PA
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Orrstown, PA
- Average rainfall in January:
1.85" - Average rainfall in February:
1.93" - Average rainfall in March:
2.05" - Average rainfall in April:
2.44" - Average rainfall in May:
2.95" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.56" - Average rainfall in September:
1.89" - Average rainfall in October:
2.52" - Average rainfall in November:
2.09" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days
Orrstown, PA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Orrstown, PA
- Average snowfall in January:
4.92" - Average snowfall in February:
3.78" - Average snowfall in March:
3.58" - Average snowfall in April:
0.39" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Orrstown, PA
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5.4 days - Average snowfall days in April:
1.2 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:
1.4 days - Average snowfall days in December:
4.2 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Orrstown, 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 24min).
- Average sunshine in January:
4h and 3min - 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 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
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 24min).
Average sunshine days
Orrstown, PA
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).
Average UV index
Orrstown, PA
The months with the highest UV index are 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
Orrstown, PA
The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Orrstown, PA
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
Orrstown, Pennsylvania, USA
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