Climate and monthly weather forecast
Reading, PA

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This beautiful and colorful pagoda located up on Mt. Penn is a beautiful spot to enjoy sweeping views of the scenic Reading City below, in Pennsylvania
This beautiful and colorful pagoda located up on Mt. Penn is a beautiful spot to enjoy sweeping views of the scenic Reading City below, in Pennsylvania

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 »

Frequently asked questions

What month is the coldest?

In Reading, January is the month with the lowest recorded average temperatures, measuring a high of 35.1°F (1.7°C) and a low of 22.3°F (-5.4°C).

How much does it rain?

In Reading, during the entire year, the rain falls for 155.7 days and collects up to 30.83" (783mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

How many days does it snow?

In Reading, during the entire year, snow falls for 21.1 days and aggregates up to 12.28" (312mm) of snow.

What are the months with the lowest UV index in Reading?

The months with the lowest UV index in Reading are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month?

The months with the highest humidity in Reading are February and October, with an average relative humidity of 81%.

What is the driest month?

February is the month with the least rainfall. Rain falls for 8.8 days and accumulates 2.05" (52mm) of precipitation.

What is the month with the least sunshine?

With an average of 4.6h of sunshine, February has the least sunshine of the year in Reading, Pennsylvania.

What is the snowiest month?

The month with the most snowfall is March, when snow falls for 3.8 days and typically aggregates up to 3.58" (91mm) 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 is the least humid month?

The least humid month is April, with an average relative humidity of 76%.

When is the highest UV index?

May through July, with an average maximum UV index of 6, are months with the highest UV index.

When it does not snow?

In Reading, snow does not fall in June through September.

When are the longest days?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What is the hottest time of year?

Reading's temperatures peak on average in July, reaching 83.1°F (28.4°C) at their highest and 63.9°F (17.7°C) at their lowest.

What month has the most sunshine in Reading?

With an average of 10.5h of sunshine, July has the most sunshine of the year.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 16.3 days and typically aggregates up to 3.54" (90mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Reading, PA

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 - Reading, PA

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 - Reading, PA

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

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 - Reading, PA

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 - Reading, PA

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 - Reading, PA

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 - Reading, PA

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 / Average sunshine - Reading, PA

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).

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 - Reading, PA

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

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 visibility
Reading, PA

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).

Reading, Pennsylvania, USA

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