Allentown, PA weather and climate in 2024
Day
3 °C
Night
-7 °C
Sea
0 °C
Precipitation
77 mm
in month
Rainy days
11 days
in month
Daylight
9 hours
average
Sunshine
5 hours
average
Humidity
68 %
Day
3 °C
Night
-7 °C
Sea
0 °C
Precipitation
77 mm
in month
Rainy days
11 days
in month
Daylight
9 hours
average
Sunshine
5 hours
average
Humidity
68 %
Overview: Allentown, PA
Weather charts for Allentown, PA
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Weather overview for Allentown, PA
Weather overview
Allentown, PA (United States of America) is a place with a mild continental climate. The day temperatures range from 3 °C (37 °F) in January to 30 °C (85 °F) in July. The highest night temperatures could be experienced in July with 17 °C (62 °F), the lowest in January with -7 °C (20 °F). The least rainy month in Allentown, PA is October with its 9 days of rain, the rainiest month is May, when it rains 12 days.
January weather
The minimum of the day temperature is observable, the value of this measure is 3 °C (37 °F) in Allentown, PA, and the minimum of the night temperature is observable as well. The number of rainy days starts to descent, the value of this measure is 11 days, and the rainfall amount starts to descent as well, its value is 77 mm (3.01 in). The number of sun hours (without clouds) rise's start could be observed.
February weather
The number of rainy days continues to descent, its value is 11 days in Allentown, PA, while the rainfall amount reaches its minimum in this month. The beginning of the rise of the day temperature could be noticed, with its value of 4 °C (40 °F), and the beginning of the rise of the night temperature could be noticed too in this month. The number of sun hours (without clouds) rises similarly to the previous month, with its value being 5 hours.
March weather
The day temperature rises similarly to the previous month, with its value of 9 °C (49 °F) in Allentown, PA, and the rise of the night temperature can be observed as well, its value is -2 °C (29 °F). The rainfall amount rise's start could be observed, the value of this measure is 87 mm (3.42 in), and the number of rainy days starts to rise too, the value of this measure is 12 days. The wind speed reaches its maximum in this month. The rise of the number of sun hours (without clouds) can be observed.
April weather
The day temperature continues to rise in Allentown, PA, and the night temperature rises similarly to the previous month as well, with its value being 4 °C (38 °F). The rise of the rainfall amount can be observed, the value of this measure is 95 mm (3.76 in). The number of sun hours (without clouds) continues to rise, the value of this measure is 7 hours. The humidity is on its minimum in April.
May weather
The tourist season slowly starts in Allentown, PA. The day temperature continues to rise, the value of this measure is 22 °C (72 °F), and the night temperature rises similarly to the previous month too, with its value being 9 °C (48 °F). The number of rainy days is on its maximum, with its value being 12 days, while the rise of the rainfall amount can be observed. The number of sun hours (without clouds) rises similarly to the previous month.
June weather
The day temperature continues to rise, with its value of 27 °C (81 °F) in Allentown, PA, and the night temperature continues to rise too, its value is 14 °C (57 °F). The number of rainy days starts to descent, with its value being 12 days, while the rise of the rainfall amount can be observed, the value of this measure is 114 mm (4.49 in). The tourist season is taking place. The number of sun hours (without clouds) rises similarly to the previous month, with its value of 9 hours.
July weather
The tourist season continues in Allentown, PA. The number of rainy days descents similarly to the previous month, with its value being 11 days, while the maximum of the rainfall amount can be noticed in July. The maximum of the day temperature is observable, with its value being 30 °C (85 °F), and the night temperature reaches its maximum too, its value is 17 °C (62 °F). The maximum of the number of sun hours (without clouds) can be noticed in July.
August weather
The tourist season continues this month in Allentown, PA. The day temperature starts to descent, with its value of 29 °C (84 °F), and the beginning of the descent of the night temperature could be noticed as well. The beginning of the descent of the rainfall amount could be noticed, its value is 105 mm (4.12 in). The beginning of the descent of the number of sun hours (without clouds) could be noticed, its value is 8 hours. The wind speed is on its minimum, with its value being 2.
September weather
The descent of the day temperature can be observed, with its value of 25 °C (77 °F) in Allentown, PA, and the night temperature continues to descent too, with its value being 12 °C (54 °F). The ongoing tourist season is noticeable. The beginning of the descent of the number of rainy days could be noticed, with its value of 9 days. The number of sun hours (without clouds) continues to descent, with its value being 7 hours. The humidity is on its maximum in September.
October weather
The minimum of the number of rainy days can be noticed in Allentown, PA, while the rainfall amount descent's start could be observed, its value is 99 mm (3.91 in). The day temperature continues to descent, the value of this measure is 19 °C (65 °F), and the descent of the night temperature can be observed too, with its value of 6 °C (42 °F). The number of sun hours (without clouds) continues to descent.
November weather
The day temperature continues to descent, with its value being 12 °C (54 °F) in Allentown, PA, and the night temperature descents similarly to the previous month too, with its value of 1 °C (34 °F). The rainfall amount descents similarly to the previous month, its value is 93 mm (3.64 in), while the number of rainy days starts to rise, with its value of 11 days. The descent of the number of sun hours (without clouds) can be observed, its value is 4 hours.
December weather
The rise of the number of rainy days can be observed, with its value being 12 days in Allentown, PA. The descent of the day temperature can be observed, the value of this measure is 5 °C (42 °F), and the descent of the night temperature can be observed as well, with its value being -4 °C (25 °F). The day length reaches its minimum in December. The number of sun hours (without clouds) reaches its minimum, with its value of 4 hours.
FAQs
How many sunny hours can I expect in Allentown, PA in April?
In April in Allentown, PA, you can expect around 7 hours of sunshine.
What is the air temperature in May in Allentown, PA at night?
The average night temperature in May in Allentown, PA is 9 °C (48 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating. This value is 5 °C (42 °F) higher than last month.
What is the average number of rainy days in June in Allentown, PA?
In June in Allentown, PA, we can expect 12 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.7 days of the week, or in general - 38 % days.
What temperature can I expect during the day in July in Allentown, PA?
The average daily temperature in July in Allentown, PA is 30 °C (85 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. An increase of 2 °C (36 °F) compared to the previous month. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Is it hot in August in Allentown, PA?
In August in Allentown, PA, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Are there good conditions to visit in Allentown, PA in September?
September is a good month to visit Allentown, PA. The temperature during the day will be nice 25 °C (77 °F). There are only 9 days of rain in the whole month, so you can leave your umbrella at home. The temperature of 12 °C (54 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
Is October part of the wet season in Allentown, PA?
No, there is no wet season in Allentown, PA in October - you can expect 9 days of rain during the month.
Is there a dry season in November in Allentown, PA?
No, November is not a dry month in Allentown, PA, expect rain approximately 11 days in a month.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.