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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 another cold winter month in Erwinna, Pennsylvania, with temperature in the range of an average high of 34.9°F (1.6°C) and an average low of 22.5°F (-5.3°C). In Erwinna, the lowest average temperatures are observed in January, with a high of 34.9°F (1.6°C) and a low of 22.5°F (-5.3°C). Weather in January »
Weather in February
February, the last month of the winter in Erwinna, is also an icy month, with an average temperature varying between 38.7°F (3.7°C) and 23.9°F (-4.5°C). Erwinna marks the start of February with an average high-temperature of a still wintry 38.7°F (3.7°C), hinting at a slight fluctuation from January's 34.9°F (1.6°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Erwinna, Pennsylvania, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 46.9°F (8.3°C). March's onset is marked by a subtle temperature increase, moving from an icy 38.7°F (3.7°C) in February to a frosty 46.9°F (8.3°C). Weather in March »
Weather in April
April is a moderate spring month in Erwinna, Pennsylvania, with an average temperature fluctuating between 41.4°F (5.2°C) and 59.5°F (15.3°C). Erwinna sees an increase in the average high-temperature with the arrival of April, moving from March's chilly 46.9°F (8.3°C) to a moderate 59.5°F (15.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Erwinna, Pennsylvania, with an average temperature fluctuating between 51.1°F (10.6°C) and 69.8°F (21°C). As Erwinna transitions into May, a rise in the average high-temperature is observed, moving from a moderate 59.5°F (15.3°C) in April to an agreeable 69.8°F (21°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Erwinna, Pennsylvania, with an average temperature ranging between min 58.5°F (14.7°C) and max 77.5°F (25.3°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from an agreeable 69.8°F (21°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Erwinna, Pennsylvania, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 64°F (17.8°C). Erwinna's temperatures peak on average in July, reaching 83.8°F (28.8°C) at their highest and 64°F (17.8°C) at their lowest. The heat index value for July is estimated at 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 Erwinna, Pennsylvania, with an average temperature fluctuating between 81.7°F (27.6°C) and 62.2°F (16.8°C). Erwinna's weather, upon August's arrival, documents an average high-temperature of a still warm 81.7°F (27.6°C), nearly identical to the prior month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Erwinna, Pennsylvania, with an average temperature ranging between min 55.6°F (13.1°C) and max 75.4°F (24.1°C). Erwinna records a mild change in average high-temperature during September, easing from a moderately hot 81.7°F (27.6°C) in August to a still warm 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in Erwinna, Pennsylvania, is another enjoyable autumn month, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 63°F (17.2°C). In October, the average high-temperature goes from a moderately hot 75.4°F (24.1°C) in September to a refreshing 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Erwinna, Pennsylvania, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 35.6°F (2°C). November brings a decrease in the average high-temperature, falling from October's comfortable 63°F (17.2°C) to a cool 50.2°F (10.1°C). Weather in November »
Weather in December
December, the first month of the winter in Erwinna, is also an icy month, with an average temperature varying between 40.8°F (4.9°C) and 29.1°F (-1.6°C). The decrease of average high-temperatures is mild in December, with a decline from a cool 50.2°F (10.1°C) in November to a cold 40.8°F (4.9°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 is the coldest month?
Erwinna experiences its average lowest temperatures in January, reaching a peak of 34.9°F (1.6°C) and a minimum of 22.5°F (-5.3°C).
How much does it rain?
Throughout the year, there are 91.3 rainfall days, and 7.28" (185mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, November and December.
How much does it snow?
Throughout the year, there are 14.8 snowfall days, and 2.24" (57mm) of snow is accumulated.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
With an average relative humidity of 81%, February is the most humid month.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.5h of sunshine.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 3.5 days and typically aggregates up to 0.63" (16mm) 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 are the least humid months?
April and July, with an average relative humidity of 76%, are the least humid months.
When it does not snow?
In Erwinna, snow does not fall in June through October.
When are the longest days?
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?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
July, recording an average high temperature of 83.8°F (28.8°C) and a low temperature of 64°F (17.8°C), is Erwinna's warmest month.
What is the wettest month?
July is the month with the most rainfall. Rain falls for 10.2 days and accumulates 0.91" (23mm) of precipitation.
What month has the most sunshine?
With an average of 10.4h of sunshine, July has the most sunshine of the year.
What is the driest month?
September is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.28" (7mm) of precipitation.
What is the month with the shortest days in Erwinna?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Erwinna, 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 (34.9°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Erwinna, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"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:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"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
Erwinna, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Erwinna, PA
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall
Erwinna, PA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.43" - Average rainfall in March:
0.55" - Average rainfall in April:
0.55" - Average rainfall in May:
0.75" - Average rainfall in June:
0.67"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.71" - Average rainfall in September:
0.28" - Average rainfall in October:
0.63" - Average rainfall in November:
0.59" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days
Erwinna, PA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
8.9 days - Average rainfall days in May:
10.1 days - Average rainfall days in June:
10.2 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
7.1 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
5.8 days
The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Erwinna, PA
- Average snowfall in January:
0.35" - Average snowfall in February:
0.31" - Average snowfall in March:
0.63" - Average snowfall in April:
0.04" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Erwinna, PA
- Average snowfall days in January:
3.6 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.3 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:
0.8 days - Average snowfall days in December:
2.2 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Erwinna, 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:
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:
4h and 5min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Erwinna, PA
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
19.9 days - Average sunshine days in March:
20.2 days - Average sunshine days in April:
19.9 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
16.7 days
- Average sunshine days in July:
17.2 days - Average sunshine days in August:
19.1 days - Average sunshine days in September:
20.2 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
22.8 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).
Average UV index
Erwinna, 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
Erwinna, PA
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Erwinna, PA
The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).
Erwinna, Pennsylvania, USA
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