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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 Hummelstown, Pennsylvania, is an icy winter month, with an average temperature ranging between min 21.9°F (-5.6°C) and max 34.2°F (1.2°C). January proves to be the coldest month, recording an average maximum temperature of 34.2°F (1.2°C) and a minimum temperature of 21.9°F (-5.6°C). Weather in January »
Weather in February
February, the last month of the winter in Hummelstown, is also a wintry month, with an average temperature fluctuating between 23.5°F (-4.7°C) and 37.9°F (3.3°C). February's weather displays an average high-temperature of a still cold 37.9°F (3.3°C), slightly varied from January's 34.2°F (1.2°C). Weather in February »
Weather in March
March, the first month of the spring in Hummelstown, is a chilly month, with an average temperature varying between 31.5°F (-0.3°C) and 46.9°F (8.3°C). As Hummelstown transitions into March, the average high-temperature shows a change, moving from an icy 37.9°F (3.3°C) in February to a frosty 46.9°F (8.3°C). Weather in March »
Weather in April
April in Hummelstown, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 59.5°F (15.3°C) and 41.5°F (5.3°C). As March gives way to April, the average high-temperature displays an increase, moving from a frosty 46.9°F (8.3°C) to a moderate 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Hummelstown, is a pleasant month, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 69.8°F (21°C). May comes with an increase, with the average high-temperature moving from a mild 59.5°F (15.3°C) in April to an agreeable 69.8°F (21°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Hummelstown, Pennsylvania, with an average temperature ranging between min 58.6°F (14.8°C) and max 77°F (25°C). June signals a minor shift in the average high-temperature, moving from May's pleasant 69.8°F (21°C) to a moderately hot 77°F (25°C). Weather in June »
Weather in July
July, like June, in Hummelstown, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 82.4°F (28°C). July, noted for its average high-temperature of 82.4°F (28°C) and an average low-temperature of 63.5°F (17.5°C), is considered the warmest month. July's heat index is computed to be a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Hummelstown, Pennsylvania, with an average temperature varying between 61.7°F (16.5°C) and 80.2°F (26.8°C). The shift into August records an average high-temperature of a still warm 80.2°F (26.8°C), subtly varied from July's 82.4°F (28°C). Weather in August »
Weather in September
September, the first month of the autumn in Hummelstown, is also a moderately hot month, with an average temperature varying between 74.3°F (23.5°C) and 55.4°F (13°C). As August makes way for September, Hummelstown's average high-temperature eases from 80.2°F (26.8°C) to a still moderately hot 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, in Hummelstown, Pennsylvania, is another enjoyable autumn month, with an average temperature varying between 45.9°F (7.7°C) and 61.9°F (16.6°C). With October's onset, the weather shows a temperature decrease, transitioning from a moderately hot 74.3°F (23.5°C) in September to an enjoyable 61.9°F (16.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Hummelstown, Pennsylvania, with an average temperature fluctuating between 34.9°F (1.6°C) and 49.8°F (9.9°C). Hummelstown's weather changes with the onset of November, slightly falling from a comfortable 61.9°F (16.6°C) in October to a frosty 49.8°F (9.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Hummelstown, Pennsylvania, with an average temperature varying between 29.5°F (-1.4°C) and 41°F (5°C). The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's frosty 49.8°F (9.9°C) to an icy 41°F (5°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Hummelstown?
Hummelstown's coldest temperatures are experienced in January, with average high temperatures of 34.2°F (1.2°C) and lows of 21.9°F (-5.6°C).
How many days does it rain in Hummelstown?
In Hummelstown, during the entire year, the rain falls for 162.3 days and collects up to 30.71" (780mm) of precipitation.
When does it snow in Hummelstown?
January through April, October through December are months with snowfall in Hummelstown.
When does it snow the most in Hummelstown?
The month with the most snowfall in Hummelstown is January, when snow falls for 9 days and typically aggregates up to 3.94" (100mm) of snow.
How many days does it snow in Hummelstown?
Throughout the year, there are 27.8 snowfall days, and 13.23" (336mm) of snow is accumulated.
What are the months with the lowest UV index in Hummelstown?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hummelstown.
What is the most humid month in Hummelstown?
February and May, with an average relative humidity of 81%, are most humid months in Hummelstown, Pennsylvania.
What is the month with the least sunshine in Hummelstown?
February has the least sunshine of the year in Hummelstown, Pennsylvania, with an average of 4.5h of sunshine.
What is the least humid month in Hummelstown?
The months with the lowest humidity are March and April, with an average relative humidity of 76%.
When is Daylight Saving Time (DST) in Hummelstown?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hummelstown, Pennsylvania, 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 Hummelstown?
The month with the most rainfall in Hummelstown is May, when the rain falls for 18.4 days and typically aggregates up to 3.15" (80mm) of precipitation.
When it does not snow in Hummelstown?
May through September are months without snowfall in Hummelstown.
What are the months with the highest UV index in Hummelstown?
May through July, with an average maximum UV index of 6, are months with the highest UV index in Hummelstown.
When are the longest days in Hummelstown?
The month with the longest days in Hummelstown is June, with an average of 15h and 0min of daylight.
What part of the year is the hottest in Hummelstown?
July is the warmest month of the year in Hummelstown, Pennsylvania, registering average temperatures as high as 82.4°F (28°C) and as low as 63.5°F (17.5°C).
What month has the most sunshine in Hummelstown?
The month with the most sunshine is July, with an average of 10.5h of sunshine.
What is the driest month in Hummelstown?
September is the month with the least rainfall in Hummelstown. Rain falls for 12 days and accumulates 2.05" (52mm) of precipitation.
What is the month with the shortest days in Hummelstown?
December has the shortest days of the year in Hummelstown, Pennsylvania, with an average of 9h and 24min of daylight.
Average temperature
Hummelstown, PA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure
Hummelstown, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"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:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"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
Hummelstown, PA
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - 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 (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Hummelstown, PA
The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall
Hummelstown, PA
- Average rainfall in January:
2.24" - Average rainfall in February:
2.13" - Average rainfall in March:
2.4" - Average rainfall in April:
2.87" - Average rainfall in May:
3.15" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.87" - Average rainfall in September:
2.05" - Average rainfall in October:
2.87" - Average rainfall in November:
2.28" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days
Hummelstown, PA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
17 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall
Hummelstown, PA
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Hummelstown, PA
- Average snowfall days in January:
9 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
1.1 days - Average snowfall days in December:
5.2 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hummelstown, 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:
15h and 0min
- 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: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
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 30min).
Average sunshine days
Hummelstown, PA
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
10 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).
Average UV index
Hummelstown, 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
Hummelstown, PA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Hummelstown, PA
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
Hummelstown, Pennsylvania, USA
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