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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 Addison, Pennsylvania, is a wintry winter month, with an average temperature varying between 19.6°F (-6.9°C) and 32°F (0°C). The lowest temperatures are recorded in January, with averages reaching a high of 32°F (0°C) and a low of 19.6°F (-6.9°C). Weather in January »
Weather in February
February, the last month of the winter in Addison, is also a wintry month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 22.5°F (-5.3°C). February commences with an average high-temperature of a still icy 37°F (2.8°C), showing little deviation from January's 32°F (0°C). Weather in February »
Weather in March
March, the first month of the spring in Addison, is a chilly month, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 45.3°F (7.4°C). In Addison, stepping into March brings a gentle temperature nudge, moving slightly up from February's wintry 37°F (2.8°C) to a frosty 45.3°F (7.4°C). Weather in March »
Weather in April
April in Addison, Pennsylvania, is a mild spring month, with an average temperature fluctuating between 39.4°F (4.1°C) and 57.9°F (14.4°C). The average high-temperature increases in April, moving from a chilly 45.3°F (7.4°C) in March to a moderate 57.9°F (14.4°C). Weather in April »
Weather in May
May, the last month of the spring in Addison, is a pleasant month, with an average temperature fluctuating between 68.5°F (20.3°C) and 48.9°F (9.4°C). In Addison, the average high-temperature in May rises, from a refreshing 57.9°F (14.4°C) in April, to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Addison, is a moderately hot month, with an average temperature ranging between min 55.4°F (13°C) and max 75.6°F (24.2°C). As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from a pleasant 68.5°F (20.3°C) to a warm 75.6°F (24.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Addison, Pennsylvania, with an average temperature varying between 79.9°F (26.6°C) and 58.8°F (14.9°C). Addison's temperatures peak on average in July, reaching 79.9°F (26.6°C) at their highest and 58.8°F (14.9°C) at their lowest. Weather in July »
Weather in August
August, the last month of the summer in Addison, is another warm month, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 56.7°F (13.7°C). Addison commences August with an average high-temperature of a still moderately hot 78.3°F (25.7°C), maintaining a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Addison, Pennsylvania, with an average temperature fluctuating between 52.5°F (11.4°C) and 72.5°F (22.5°C). In Addison, the average high-temperature in September gently drops from a moderately hot 78.3°F (25.7°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Addison, Pennsylvania, with an average temperature fluctuating between 42.8°F (6°C) and 59.2°F (15.1°C). As Addison, Pennsylvania, enters October, the average high-temperature decreases from the a pleasant 72.5°F (22.5°C) of September to a moderate 59.2°F (15.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Addison, Pennsylvania, with an average temperature ranging between max 46.8°F (8.2°C) and min 31.5°F (-0.3°C). As November arrives, Addison's weather displays a decrease in high-temperatures, transitioning from October's mild 59.2°F (15.1°C) to a frosty 46.8°F (8.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Addison, Pennsylvania, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 38.3°F (3.5°C). A minor decrease in the average high-temperature is observed during December, shifting from a frosty 46.8°F (8.2°C) in November to a cold 38.3°F (3.5°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 are the coldest months?
Addison records the coldest temperatures in January, averaging a high of 32°F (0°C) and a low of 19.6°F (-6.9°C).
How much does it rain?
Throughout the year, there are 166.9 rainfall days, and 30.55" (776mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 48.5 snowfall days, and 26.69" (678mm) of snow is accumulated.
What is the month with the least sunshine in Addison?
January has the least sunshine of the year, with an average of 3.1h of sunshine.
What is the most humid month?
The most humid month is February, with an average relative humidity of 87%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 9.8 days and accumulates 5.28" (134mm) 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 in Addison?
April, June through August, with an average relative humidity of 79%, are the least humid months.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 20.9 days and accumulates 3.43" (87mm) of precipitation.
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?
In Addison, snow does not fall in June through September.
When are the longest days in Addison?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month is the hottest?
July, with an average high of 79.9°F (26.6°C) and a low of 58.8°F (14.9°C), signifies the warmest month of the year.
What month has the most sunshine?
With an average of 9.7h of sunshine, August has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 8.8 days and typically collects 1.85" (47mm) of precipitation.
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 Addison?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Addison, PA
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (32°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 (19.6°F).
Average pressure
Addison, 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:
30.06"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
Addison, PA
- Average wind speed in January:
9.1mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.3mph - Average wind speed in December:
8.4mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Addison, PA
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (79%).
Average rainfall
Addison, PA
- Average rainfall in January:
2.09" - Average rainfall in February:
2.44" - Average rainfall in March:
2.13" - Average rainfall in April:
2.76" - Average rainfall in May:
3.43" - Average rainfall in June:
2.95"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days
Addison, PA
- Average rainfall days in January:
8 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
20.9 days - Average rainfall days in June:
19.2 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
15.9 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is February (7.3 days).
Average snowfall
Addison, PA
- Average snowfall in January:
5.16" - Average snowfall in February:
5.28" - Average snowfall in March:
3.54" - Average snowfall in April:
1.38" - Average snowfall in May:
0.94" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Addison, PA
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.5 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:
2.5 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
9.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Addison, 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Addison, PA
- Average sunshine days in January:
14 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
8.3 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
11.7 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index
Addison, 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
Addison, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility
Addison, PA
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Addison, Pennsylvania, USA
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