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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, in Irvine, Pennsylvania, is a freezing cold winter month, with an average temperature varying between 16.9°F (-8.4°C) and 28.2°F (-2.1°C). January is the month that records the lowest temperatures, with averages ranging from a high of 28.2°F (-2.1°C) to a low of 16.9°F (-8.4°C). Weather in January »
Weather in February
February, the last month of the winter in Irvine, is a wintry month, with an average temperature ranging between max 32.2°F (0.1°C) and min 18.9°F (-7.3°C). February begins with an average high-temperature of an icy 32.2°F (0.1°C), reflecting close similarity to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is also a wintry month in Irvine, Pennsylvania, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 41.2°F (5.1°C). With the arrival of March, the average high-temperature transitions from an icy 32.2°F (0.1°C) in February to a still wintry 41.2°F (5.1°C). Weather in March »
Weather in April
April in Irvine, Pennsylvania, is a cool spring month, with an average temperature ranging between min 35.6°F (2°C) and max 53.4°F (11.9°C). April's arrival coincides with a rise in the average high-temperature, moving from March's icy 41.2°F (5.1°C) to a cool 53.4°F (11.9°C). Weather in April »
Weather in May
May, the last month of the spring in Irvine, is an enjoyable month, with an average temperature ranging between min 46°F (7.8°C) and max 66.4°F (19.1°C). As Irvine transitions into May, a rise in the average high-temperature is observed, moving from a fresh 53.4°F (11.9°C) in April to an enjoyable 66.4°F (19.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Irvine, Pennsylvania, with an average temperature ranging between min 52.9°F (11.6°C) and max 73.6°F (23.1°C). The onset of June brings a minor temperature shift, with the average high-temperature moving from a comfortable 66.4°F (19.1°C) in May to a warm 73.6°F (23.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Irvine, Pennsylvania, with an average temperature ranging between max 78.1°F (25.6°C) and min 57.6°F (14.2°C). July is the month that records the highest temperatures, with averages ranging from a high of 78.1°F (25.6°C) to a low of 57.6°F (14.2°C). Weather in July »
Weather in August
August, the last month of the summer in Irvine, is also a moderately hot month, with an average temperature varying between 55.4°F (13°C) and 76.3°F (24.6°C). With the transition into August, Irvine notes an average high-temperature of a still moderately hot 76.3°F (24.6°C), closely resembling July. Weather in August »
Weather in September
September, the first month of the autumn in Irvine, is also an agreeable month, with an average temperature fluctuating between 70.2°F (21.2°C) and 50.9°F (10.5°C). September is characterized by a slight reduction in average high-temperature, easing from a moderately hot 76.3°F (24.6°C) in August to a pleasant 70.2°F (21.2°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Irvine, Pennsylvania, with an average temperature fluctuating between 42.1°F (5.6°C) and 57°F (13.9°C). With October's onset, the average high-temperature recedes from September's pleasant 70.2°F (21.2°C) to a mild 57°F (13.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Irvine, Pennsylvania, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 31.3°F (-0.4°C). Welcoming November, Irvine observes a shift in the average high-temperature, falling from October's moderate 57°F (13.9°C) to a frosty 44.1°F (6.7°C). Weather in November »
Weather in December
December, the first month of the winter in Irvine, is also an icy month, with an average temperature fluctuating between 34.7°F (1.5°C) and 25.2°F (-3.8°C). As December commences, the average high-temperature shows a reduction, transitioning from a chilly 44.1°F (6.7°C) in November to an icy 34.7°F (1.5°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 month when Irvine sees the average lowest temperatures, with a high of 28.2°F (-2.1°C) and a low of 16.9°F (-8.4°C).
How many days does it rain in Irvine?
In Irvine, during the entire year, the rain falls for 162.1 days and collects up to 21.81" (554mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow in Irvine?
Throughout the year, there are 88.7 snowfall days, and 29.57" (751mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 2.1h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the most humid month?
With an average relative humidity of 90%, February is the most humid month.
What is the driest month?
March is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.42" (36mm) of precipitation.
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 wettest month in Irvine?
April is the month with the most rainfall in Irvine, Pennsylvania. Rain falls for 16.4 days and accumulates 2.52" (64mm) of precipitation.
What is the least humid month?
With an average relative humidity of 80%, May is the least humid month.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
When it does not snow?
In Irvine, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the hottest time of year?
July, characterized by an average high temperature of 78.1°F (25.6°C) and a low temperature of 57.6°F (14.2°C), is generally the warmest month.
What is the month with the most sunshine?
July and August, with an average of 9.6h of sunshine, are months with the most sunshine.
What is the snowiest month?
December is the month with the most snowfall. Snow falls for 18.1 days and accumulates 6.77" (172mm) of snow.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Irvine, PA
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (28.2°F).
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Irvine, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Irvine, PA
- Average wind speed in January:
9.3mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Irvine, PA
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).
Average rainfall
Irvine, PA
- Average rainfall in January:
1.77" - Average rainfall in February:
1.65" - Average rainfall in March:
1.42" - Average rainfall in April:
2.52" - Average rainfall in May:
2.01" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.61" - Average rainfall in September:
1.46" - Average rainfall in October:
2.28" - Average rainfall in November:
1.46" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days
Irvine, PA
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.3 days).
Average snowfall
Irvine, PA
- Average snowfall in January:
6.38" - Average snowfall in February:
6.42" - Average snowfall in March:
3.27" - Average snowfall in April:
1.97" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is December (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Irvine, PA
- Average snowfall days in January:
22 days - Average snowfall days in February:
18.8 days - Average snowfall days in March:
12.2 days - Average snowfall days in April:
5.7 days - Average snowfall days in May:
0.8 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:
1 days - Average snowfall days in November:
10.1 days - Average snowfall days in December:
18.1 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Irvine, 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 4min - 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 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
2h and 1min - Average sunshine in February:
2h and 3min - Average sunshine in March:
4h and 5min - Average sunshine in April:
6h and 4min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 1min - Average sunshine in October:
4h and 2min - Average sunshine in November:
3h and 5min - Average sunshine in December:
2h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days
Irvine, PA
- Average sunshine days in January:
5.1 days - Average sunshine days in February:
5.5 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
11.4 days - Average sunshine days in November:
11 days - Average sunshine days in December:
6.6 days
The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is January (5.1 days).
Average UV index
Irvine, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Irvine, PA
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility
Irvine, PA
The months with the highest visibility are March, April, May, June, July, September, October and November (5mi).
The months with the lowest visibility are January, February, August and December (4mi).
Irvine, Pennsylvania, USA
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