Climate and monthly weather forecastReading, PA

Climate and monthly weather forecast
The climate of Reading
Reading, Pennsylvania, USA, falls within the Köppen climate classification Cfa, signifying a humid subtropical climate with no dry season. Heat and humidity characterize this area, positioned in the southeastern section of the state. With the landscape imprinted by four distinct seasons, the local weather varies considerably, subject to seasonal shifts and part of the broader Mid-Atlantic weather system.Traversing across the climate data, annual temperature fluctuations become clear. The high temperature swings from a brisk 35.1°F (1.7°C) in January to a relatively sweltering 83.1°F (28.4°C) in July, the warmest month. Conversely, the low temperature varies from a chilling 22.3°F (-5.4°C) in January to a milder 63.9°F (17.7°C) in July. Rainfall in Reading does not follow a traditional dry-wet cycle. It remains somewhat consistent throughout the year, with the highest recorded rainfall of 3.54" (90mm) in August and the lowest of 2.05" (52mm) in February. Unique weather phenomena include snowfall, amounting to a modest peak of 3.58" (91mm) in March and a slight 0.24" (6mm) in October and May.
The best time to visit Reading
The desirable period to venture into Reading largely depends on the individual's preference for specific weather conditions. However, the most agreeable time generally falls from May to October. During this period, the temperature ranges from a comfortable 59.5°F (15.3°C) to 83.1°F (28.4°C), catering to outdoor enthusiasts. For sunbathers, June offers the longest sunlight duration of 15 hours and the highest number of sunshine days at 11.8 days. Indeed, this period also records a moderate UV index of 6, ensuring adequate protection against sunburn.The worst time to visit Reading
The less favorable time to visit Reading might center on the colder months, particularly January and February. These months experience relatively low temperatures, with high and low averages of 35.1°F (1.7°C) and 37.9°F (3.3°C), and 22.3°F (-5.4°C) and 23.7°F (-4.6°C), respectively. Additionally, January registers the shortest daylight hours of 9.7 hours. For travelers averse to snowy conditions, these wintry months register substantial snowfall, reaching a peak of 3.19" (81mm) in February.Spring weather in Reading
Spring mounts a progressive comeback from the chill of winter to the warmth of summer. From March to May, the high temperature escalates from a moderate 46.9°F (8.3°C) to a comfortable 69.4°F (20.8°C) while the low temperature rises from 31.1°F (-0.5°C) to 51.3°F (10.7°C). Rainfall consistently increases during this season, from 2.2" (56mm) in March to the peak of 2.91" (74mm) in May. As this season unfolds, the length of daylight expands from 12 hours to 14.4 hours.Summer weather in Reading
Summer embodies the vibrancy of Reading, drenched in sunlight and warmth from June to August. The high temperature reaches a peak at 83.1°F (28.4°C) in July, while the low clocks in at 61.7°F (16.5°C) in August. Despite the heat, Reading experiences considerable rainfall during summer, with August surrendering to a high of 3.54" (90mm) of rain. However, sunshine rules the day with an impressive 15 hours of daylight in June and a significant 9.8 hours of sun in June and August.Autumn weather in Reading
Autumn draws a cooling curtain over the heat of summer. Between September and November, the high temperature steadily drops from 74.5°F (23.6°C) to 50.2°F (10.1°C), and the low spirals from 55.8°F (13.2°C) to 35.4°F (1.9°C). Rainfall also reduces, from a high of 2.13" (54mm) in September to 2.4" (61mm) in November. Despite decreasing daylight hours, autumn features more sunshine days, peaking at 20.1 days in November.Winter weather in Reading
Winter ushers in a cold front to Reading, with high temperatures dropping to 35.1°F (1.7°C) in January and low temperatures hitting a chilling 22.3°F (-5.4°C) in the same month. Snowfall registers predominantly in this season, with January recording 2.8" (71mm) of snow. Despite shorter daylight hours, winter bears witness to a considerable amount of sunshine, with 4.7 hours recorded in both December and January.Weather in January
This January, residents of Reading, Pennsylvania prepare for colder temperatures and the potential for wintry precipitation. Fresh snowfall of 2.8in is possible, alongside high total precipitation, indicating a notable likelihood for both rain and snow events. Weather in January »Weather in February
February in Reading, Pennsylvania, typically sees a minor increase in temperature from January, though the temperatures remain harsh. Snow is still a feature of the weather here, with an average of 3.19in of snowfall over the month. Weather in February »Weather in March
March is characterised by a steady increase in temperatures and daylight hours in Reading, Pennsylvania. The highest average snowfall for the year occurs during this month, at 3.58in. Though its arrival signals the official start of spring, March's weather can still feel quite wintery at times. Weather in March »Weather in April
April in Reading, Pennsylvania, brings significant changes, with a considerable increase in average temperatures and daylight hours. Noticeably, snowfall decreases dramatically to just 0.16in, suggesting a definitive shift to warmer conditions. Weather in April »Weather in May
May in Reading, Pennsylvania, usually has warmer daytime temperatures and fewer chances of snow. A bit of anomaly occurs as there's still a minor chance of snowfall, unusually late in the year, totalling just 0.24in. With temperatures rising and the days growing longer, the city truly starts to warm up. Weather in May »Weather in June
June in Reading, Pennsylvania, indicates the arrival of summer with the longest daylight hours and highest UV index of the year. Consistent warmer weather makes enjoying the outdoors comfortable, with rainfall more balanced across the month. Weather in June »Weather in July
July in Reading, Pennsylvania, is characterized by the highest average temperatures and the longest hours of sunshine. This month is usually noted as the hottest of the year, with average high temperatures peaking at a scorching 83.1°F (28.4°C). Weather in July »Weather in August
August in Reading, Pennsylvania, sees slightly reducing temperatures but the moisture levels and hours of daylight still remain high. Although forecast data suggests a decrease in the maximum temperature from July, it is still a hot month with highs reaching up to 80.6°F (27°C). Weather in August »Weather in September
September in Reading, Pennsylvania, highlights the turn of season with falling temperatures and reducing daylight hours. Signalling the arrival of fall, leaves begin to change color, and average high and low temperatures fall to 74.5°F (23.6°C) and 55.8°F (13.2°C), respectively. Weather in September »Weather in October
October in Reading, Pennsylvania, is marked with a significant reduction in temperature and outdoor activities as winter draws closer. The shift towards colder weather becomes apparent with average high temperatures dipping to 62.4°F (16.9°C). Weather in October »Weather in November
November in Reading, Pennsylvania, introduces the residents to a rapidly cooling climate and fewer daylight hours as winter takes hold. Specifically, the average high temperature falls dramatically to 50.2°F (10.1°C), indicating winter's arrival. Weather in November »Weather in December
December in Reading, Pennsylvania, is characterized by a wintery climate, shorter daylight hours, and an increasing chance of snowfall. Specifically, the snow accumulates to 1.5in on average during this month—a clear indication of winter weather. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Reading, PA
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Reading, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"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:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Reading, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Reading, PA
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Reading, PA
- Average rainfall in January:
2.17" - Average rainfall in February:
2.05" - Average rainfall in March:
2.2" - Average rainfall in April:
2.64" - Average rainfall in May:
2.91" - Average rainfall in June:
2.64"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.54" - Average rainfall in September:
2.13" - Average rainfall in October:
2.52" - Average rainfall in November:
2.4" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (2.05").
Average rainfall days
Reading, PA
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
Reading, PA
- Average snowfall in January:
2.8" - Average snowfall in February:
3.19" - Average snowfall in March:
3.58" - Average snowfall in April:
0.16" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Reading, PA
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.2 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:
0.6 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Reading, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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:
4h and 42min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Reading, PA
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Reading, PA
The months with the highest UV index are May, 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
Reading, 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 32).
Average visibility
Reading, PA
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).





