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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, is a freezing cold winter month in Plains, Pennsylvania, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.4°F (-0.9°C). January is the coldest month, with an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 18.7°F (-7.4°C). Weather in January »
Weather in February
February, the last month of the winter in Plains, is a wintry month, with temperature in the range of an average high of 34.3°F (1.3°C) and an average low of 20.7°F (-6.3°C). February's beginning signals an average high-temperature of a wintry 34.3°F (1.3°C), barely different from January's 30.4°F (-0.9°C). Weather in February »
Weather in March
March, the first month of the spring in Plains, is also an icy month, with an average temperature varying between 42.6°F (5.9°C) and 27.1°F (-2.7°C). Plains's weather shows a minor temperature rise with the arrival of March, moving from a cold 34.3°F (1.3°C) in February to a still wintry 42.6°F (5.9°C). Weather in March »
Weather in April
April is a fresh spring month in Plains, Pennsylvania, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 55°F (12.8°C). April sees a rise in the average high-temperature, climbing from a cold 42.6°F (5.9°C) in March to a fresh 55°F (12.8°C). Weather in April »
Weather in May
May, the last month of the spring in Plains, is an enjoyable month, with an average temperature ranging between min 47.8°F (8.8°C) and max 67.5°F (19.7°C). May's onset is marked by a temperature increase, moving from a cool 55°F (12.8°C) in April to a refreshing 67.5°F (19.7°C). Weather in May »
Weather in June
June, the first month of the summer in Plains, is a warm month, with an average temperature varying between 75.2°F (24°C) and 54.5°F (12.5°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's comfortable 67.5°F (19.7°C) to a moderately hot 75.2°F (24°C). Weather in June »
Weather in July
July, like June, in Plains, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 58.8°F (14.9°C) and 80.8°F (27.1°C). Plains's warmest month, July, registers temperatures that range from a high of 80.8°F (27.1°C) to a low of 58.8°F (14.9°C). For July, the heat index is estimated at a tropical 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Plains, is another warm month, with an average temperature ranging between min 57.2°F (14°C) and max 78.4°F (25.8°C). Plains's weather in August displays an average high-temperature of a still moderately hot 78.4°F (25.8°C), showing minor disparity from July's 80.8°F (27.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Plains, Pennsylvania, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 51.6°F (10.9°C). Plains in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 78.4°F (25.8°C) to a pleasant 71.4°F (21.9°C). Weather in September »
Weather in October
October, the same as September, in Plains, Pennsylvania, is another mild autumn month, with an average temperature varying between 43°F (6.1°C) and 59°F (15°C). A decrease in the average high-temperature is observed during October, shifting from a pleasant 71.4°F (21.9°C) in September to a mild 59°F (15°C). Weather in October »
Weather in November
November, the last month of the autumn in Plains, is another chilly month, with an average temperature ranging between max 46.2°F (7.9°C) and min 32.4°F (0.2°C). The average high-temperature decreases in November, shifting from a refreshing 59°F (15°C) in October to a chilly 46.2°F (7.9°C). Weather in November »
Weather in December
December, the first month of the winter in Plains, is still a cold month, with an average temperature fluctuating between 36.5°F (2.5°C) and 25.9°F (-3.4°C). December involves a decrease in temperature, down from a chilly 46.2°F (7.9°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Jul 22, 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?
January is the month when Plains experiences its coldest temperatures, averaging a high of 30.4°F (-0.9°C) and a low of 18.7°F (-7.4°C).
How many days does it rain in Plains?
Throughout the year, in Plains, there are 162.1 rainfall days, and 24.53" (623mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, there are 49.4 snowfall days, and 19.92" (506mm) of snow is accumulated.
What are the months with the least sunshine?
January and February, with an average of 3.7h of sunshine, are months with the least sunshine.
What is the most humid month?
February and December, with an average relative humidity of 84%, are most humid months.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 11.8 days and typically aggregates up to 5.87" (149mm) 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 least humid month?
The months with the lowest humidity in Plains are April, June and July, with an average relative humidity of 78%.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What time of the year is the hottest?
July is the month that records the highest temperatures, with averages ranging from a high of 80.8°F (27.1°C) to a low of 58.8°F (14.9°C).
What is the rainiest month?
The month with the most rainfall is July, when the rain falls for 18.1 days and typically aggregates up to 2.6" (66mm) of precipitation.
What month has the most sunshine in Plains?
July has the most sunshine of the year, with an average of 10.2h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.54" (39mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Plains, PA
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Plains, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"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:
30"Hg - Average pressure in September:
30.07"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"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
Plains, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Plains, PA
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall
Plains, PA
- Average rainfall in January:
1.73" - Average rainfall in February:
1.69" - Average rainfall in March:
1.97" - Average rainfall in April:
2.17" - Average rainfall in May:
2.52" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.6" - Average rainfall in August:
2.44" - Average rainfall in September:
1.54" - Average rainfall in October:
2.01" - Average rainfall in November:
1.73" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Plains, PA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
13 days - Average rainfall days in November:
11 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall
Plains, PA
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Plains, PA
- Average snowfall days in January:
13.6 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
8.6 days - Average snowfall days in April:
1.8 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:
0.2 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Plains, 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:
3h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days
Plains, PA
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
11 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index
Plains, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Plains, PA
The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility
Plains, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Plains, Pennsylvania, USA
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