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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, the same as December, is an icy winter month in Altonah, Pennsylvania, with an average temperature fluctuating between 34°F (1.1°C) and 21.6°F (-5.8°C). January is the month when Altonah sees the lowest average temperatures, with a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
February, the last month of the winter in Altonah, is also an icy month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 37.8°F (3.2°C). The ushering in of February brings an average high-temperature of a still icy 37.8°F (3.2°C), closely mirroring the 34°F (1.1°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Altonah, is a frosty month, with an average temperature varying between 46°F (7.8°C) and 30°F (-1.1°C). A slight uplift in the average high-temperature marks March, adjusting from February's wintry 37.8°F (3.2°C) to a frosty 46°F (7.8°C). Weather in March »
Weather in April
April is a mild spring month in Altonah, Pennsylvania, with an average temperature varying between 40.6°F (4.8°C) and 58.6°F (14.8°C). Altonah in April experiences an increase in the average high-temperature, moving from March's frosty 46°F (7.8°C) to a refreshing 58.6°F (14.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Altonah, Pennsylvania, with an average temperature fluctuating between 50.5°F (10.3°C) and 69.6°F (20.9°C). The arrival of May brings a change in Altonah's weather, with average high-temperatures moving from April's moderate 58.6°F (14.8°C) to an agreeable 69.6°F (20.9°C). Weather in May »
Weather in June
June, the first month of the summer in Altonah, is a warm month, with an average temperature fluctuating between 57.9°F (14.4°C) and 77.4°F (25.2°C). Altonah experiences a minor temperature shift with the start of June, with average high-temperatures moving from a pleasant 69.6°F (20.9°C) in May to a warm 77.4°F (25.2°C). Weather in June »
Weather in July
July, like June, in Altonah, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 83.5°F (28.6°C) and 63.5°F (17.5°C). The month of July, characterized by an average high of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C), is recognized as the warmest. For most parts of July, the heat index is estimated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Altonah, Pennsylvania, with an average temperature ranging between min 61.5°F (16.4°C) and max 81°F (27.2°C). As Altonah, Pennsylvania, transitions into August, the average high-temperature stands at a still warm 81°F (27.2°C), offering little variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Altonah, is also a moderately hot month, with an average temperature ranging between max 74.3°F (23.5°C) and min 55°F (12.8°C). September's onset introduces a mild reduction in the average high-temperature, from 81°F (27.2°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Altonah, Pennsylvania, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 46.2°F (7.9°C). In Altonah, the average high-temperature in October drops from a moderately hot 74.3°F (23.5°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Altonah, is also a fresh month, with an average temperature fluctuating between 50°F (10°C) and 35.4°F (1.9°C). The onset of November is marked by a decrease in temperature, transitioning from a comfortable 62.1°F (16.7°C) in October to a cool 50°F (10°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Altonah, Pennsylvania, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 40.1°F (4.5°C). The commencement of December indicates a shift in the average high-temperature, receding from November's fresh 50°F (10°C) to a cold 40.1°F (4.5°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Altonah?
With average high and low temperatures of 34°F (1.1°C) and 21.6°F (-5.8°C) respectively, January is Altonah's coldest month.
How much does it rain in Altonah?
In Altonah, Pennsylvania, during the entire year, the rain falls for 153 days and collects up to 26.81" (681mm) of precipitation.
When does it snow in Altonah?
Months with snowfall in Altonah, Pennsylvania, are January through May, October through December.
How many days does it snow in Altonah?
Throughout the year, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.
What are the months with the lowest UV index in Altonah?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Altonah, Pennsylvania.
What is the most humid month in Altonah?
February is the most humid month, with an average relative humidity of 82%.
What is the month with the least sunshine in Altonah?
With an average of 4.5h of sunshine, February has the least sunshine of the year.
What is the snowiest month in Altonah?
March is the month with the most snowfall in Altonah. Snow falls for 5 days and accumulates 4.13" (105mm) of snow.
When is Daylight Saving Time (DST) in Altonah?
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 Altonah?
The months with the lowest humidity in Altonah, Pennsylvania, are April and July, with an average relative humidity of 76%.
What are the months with the highest UV index in Altonah?
The months with the highest UV index in Altonah are May through July, with an average maximum UV index of 6.
When it does not snow in Altonah?
In Altonah, snow does not fall in June through September.
When are the longest days in Altonah?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What time of the year is the hottest in Altonah?
Altonah witnesses the warmest weather in July, with temperatures averaging a high of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C).
What is the rainiest month in Altonah?
July is the month with the most rainfall in Altonah. Rain falls for 16.2 days and accumulates 2.91" (74mm) of precipitation.
What month has the most sunshine in Altonah?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the driest month in Altonah?
The month with the least rainfall in Altonah is September, when the rain falls for 11.8 days and typically collects 1.57" (40mm) of precipitation.
What is the month with the shortest days in Altonah?
The month with the shortest days in Altonah, Pennsylvania, is December, with an average of 9h and 18min of daylight.
Average temperature
Altonah, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°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 (21.6°F).
Average pressure
Altonah, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"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:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Altonah, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Altonah, PA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall
Altonah, PA
- Average rainfall in January:
1.81" - Average rainfall in February:
1.69" - Average rainfall in March:
2.17" - Average rainfall in April:
2.44" - Average rainfall in May:
2.72" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.76" - Average rainfall in September:
1.57" - Average rainfall in October:
2.17" - Average rainfall in November:
1.93" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days
Altonah, PA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
Altonah, PA
- Average snowfall in January:
3.23" - Average snowfall in February:
3.7" - Average snowfall in March:
4.13" - Average snowfall in April:
0.16" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Altonah, PA
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5 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:
0.7 days - Average snowfall days in December:
4.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Altonah, 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 3min - 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 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - 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 18min).
- 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 0min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Altonah, PA
- Average sunshine days in January:
18 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index
Altonah, 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
Altonah, PA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Altonah, PA
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Altonah, Pennsylvania, USA
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