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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 North Irwin, Pennsylvania, is another cold winter month, with an average temperature ranging between min 20.7°F (-6.3°C) and max 33.6°F (0.9°C). January is North Irwin's coldest month, registering average high temperatures of 33.6°F (0.9°C) and lows of 20.7°F (-6.3°C). Weather in January »
Weather in February
February, the last month of the winter in North Irwin, is also a wintry month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 37.6°F (3.1°C). The shift into February uncovers an average high-temperature of a still cold 37.6°F (3.1°C), subtly different from the previous month. Weather in February »
Weather in March
March, the first month of the spring in North Irwin, is a chilly month, with an average temperature varying between 31.3°F (-0.4°C) and 47.8°F (8.8°C). As February transitions into March, a change in temperatures is observed, with average highs moving from a cold 37.6°F (3.1°C) to a frosty 47.8°F (8.8°C). Weather in March »
Weather in April
April is a mild spring month in North Irwin, Pennsylvania, with an average temperature fluctuating between 41.4°F (5.2°C) and 60.1°F (15.6°C). April's arrival signals an increase in average high-temperatures, moving from March's frosty 47.8°F (8.8°C) to a refreshing 60.1°F (15.6°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in North Irwin, Pennsylvania, with an average temperature ranging between max 71.8°F (22.1°C) and min 51.4°F (10.8°C). The beginning of May marks a shift in the average high-temperature, moving from April's moderate 60.1°F (15.6°C) to an agreeable 71.8°F (22.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in North Irwin, Pennsylvania, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 57.7°F (14.3°C). June witnesses a minor rise in the average high-temperature, transitioning from a pleasant 71.8°F (22.1°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in North Irwin, Pennsylvania, with an average temperature fluctuating between 82.9°F (28.3°C) and 61.5°F (16.4°C). July is the warmest month of the year, registering average temperatures as high as 82.9°F (28.3°C) and as low as 61.5°F (16.4°C). In July, the heat index is evaluated 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 North Irwin, Pennsylvania, with an average temperature fluctuating between 60.1°F (15.6°C) and 81.5°F (27.5°C). An average high-temperature of a still moderately hot 81.5°F (27.5°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in North Irwin, Pennsylvania, with an average temperature fluctuating between 75.4°F (24.1°C) and 55°F (12.8°C). North Irwin's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 81.5°F (27.5°C) in August to a still moderately hot 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in North Irwin, Pennsylvania, is another enjoyable autumn month, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 45.3°F (7.4°C). October's onset brings a reduction in the average high-temperature, from a warm 75.4°F (24.1°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in North Irwin, Pennsylvania, with an average temperature fluctuating between 49.5°F (9.7°C) and 34°F (1.1°C). November comes with a decrease in the average high-temperature, falling from an enjoyable 62.1°F (16.7°C) in October to a frosty 49.5°F (9.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in North Irwin, Pennsylvania, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 39.6°F (4.2°C). Start of December brings a shift in the average high-temperature, falling from November's frosty 49.5°F (9.7°C) to a wintry 39.6°F (4.2°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 month is the coldest?
January is the coldest month, with the temperature often reaching an average high of 33.6°F (0.9°C) and an average low of 20.7°F (-6.3°C).
What is the driest month?
The months with the least rainfall are January and November Rain falls for 9.1 days and accumulates 1.14" (29mm) of rain.
How many days does it rain?
Throughout the year, in North Irwin, there are 161.9 rainfall days, and 19.29" (490mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall in North Irwin.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 14.2 days and typically aggregates up to 2.13" (54mm) of snow.
How many days does it snow?
In North Irwin, during the entire year, snow falls for 49.2 days and aggregates up to 8.62" (219mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3h 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?
April, July and August, with an average relative humidity of 76%, are the least humid months.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 2.28" (58mm) of precipitation.
When it does not snow?
In North Irwin, snow does not fall in May through September.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days in North Irwin?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What part of the year is the hottest?
In North Irwin, the average temperatures in July are the highest, with a peak at 82.9°F (28.3°C) and a low of 61.5°F (16.4°C).
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.3h of sunshine.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index in North Irwin?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
North Irwin, 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 (33.6°F).
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
North Irwin, 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:
29.98"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
North Irwin, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.1mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
North Irwin, 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
North Irwin, PA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.3" - Average rainfall in March:
1.26" - Average rainfall in April:
1.97" - Average rainfall in May:
2.28" - Average rainfall in June:
2.2"
- Average rainfall in July:
2.13" - Average rainfall in August:
1.57" - Average rainfall in September:
1.38" - Average rainfall in October:
1.46" - Average rainfall in November:
1.14" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.14").
Average rainfall days
North Irwin, PA
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
North Irwin, PA
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
North Irwin, PA
- Average snowfall days in January:
14.2 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
7 days - Average snowfall days in April:
1.9 days - Average snowfall days in May:
0 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:
4 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
North Irwin, 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:
3h and 0min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
North Irwin, PA
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
9 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
14 days - Average sunshine days in November:
17 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9 days).
Average UV index
North Irwin, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
North Irwin, PA
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
North Irwin, PA
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
North Irwin, Pennsylvania, USA
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