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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 Mammoth, Pennsylvania, is a wintry winter month, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 20.3°F (-6.5°C). In Mammoth, the month of January is known for its lowest average temperatures, reaching a high of 33.3°F (0.7°C) and a low of 20.3°F (-6.5°C). Weather in January »
Weather in February
February, the last month of the winter in Mammoth, is another cold month, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 37.4°F (3°C). Mammoth observes a minor difference in average high-temperatures between January's 33.3°F (0.7°C) and February's 37.4°F (3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Mammoth, Pennsylvania, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 46.8°F (8.2°C). Mammoth's transition into March is marked by a rise in the average high-temperature, advancing from a wintry 37.4°F (3°C) in February to a chilly 46.8°F (8.2°C). Weather in March »
Weather in April
April is a mild spring month in Mammoth, Pennsylvania, with an average temperature fluctuating between 59.5°F (15.3°C) and 40.6°F (4.8°C). Mammoth experiences a temperature shift with the start of April, with average high-temperatures moving from a frosty 46.8°F (8.2°C) in March to a moderate 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Mammoth, is an agreeable month, with an average temperature varying between 70.7°F (21.5°C) and 50°F (10°C). May's onset brings a temperature rise, moving from a moderate 59.5°F (15.3°C) in April to an agreeable 70.7°F (21.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Mammoth, Pennsylvania, with an average temperature fluctuating between 56.5°F (13.6°C) and 77.4°F (25.2°C). As Mammoth welcomes June, the average high-temperature displays a subtle shift, adjusting from a pleasant 70.7°F (21.5°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Mammoth, Pennsylvania, with an average temperature varying between 60.4°F (15.8°C) and 82°F (27.8°C). Mammoth's temperatures tend to reach their peak averages in July, with a high of 82°F (27.8°C) and a low of 60.4°F (15.8°C). The average heat index in July is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Mammoth, Pennsylvania, with an average temperature ranging between max 80.6°F (27°C) and min 58.6°F (14.8°C). August's onset sees an average high-temperature of a still warm 80.6°F (27°C), exhibiting a slight fluctuation from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mammoth, Pennsylvania, with an average temperature varying between 74.3°F (23.5°C) and 54.1°F (12.3°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 80.6°F (27°C) in August to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Mammoth, Pennsylvania, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 44.8°F (7.1°C). The arrival of October indicates a decrease in the average high-temperature, moving from a warm 74.3°F (23.5°C) in September to an enjoyable 61.3°F (16.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Mammoth, is another chilly month, with an average temperature fluctuating between 48.9°F (9.4°C) and 33.6°F (0.9°C). Transition into November marks a drop in the average high-temperature, moving from a refreshing 61.3°F (16.3°C) in October to a chilly 48.9°F (9.4°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Mammoth, Pennsylvania, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 39.2°F (4°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 48.9°F (9.4°C) to a wintry 39.2°F (4°C). Weather in December »
Updated: Jul 1, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
Mammoth witnesses the coldest weather in January, with temperatures averaging a high of 33.3°F (0.7°C) and a low of 20.3°F (-6.5°C).
What is the most humid month?
January and February, with an average relative humidity of 85%, are most humid months.
How many days does it rain?
In Mammoth, during the entire year, the rain falls for 185.4 days and collects up to 34.02" (864mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 17.3 days and typically aggregates up to 7.09" (180mm) of snow.
How many days does it snow?
Throughout the year, there are 63.2 snowfall days, and 29.02" (737mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
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?
April, July and August, with an average relative humidity of 77%, are the least humid months.
What is the rainiest month in Mammoth?
May is the month with the most rainfall. Rain falls for 22 days and accumulates 3.66" (93mm) of precipitation.
When it does not snow?
In Mammoth, Pennsylvania, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What are the warmest months?
Mammoth's temperatures peak on average in July, reaching 82°F (27.8°C) at their highest and 60.4°F (15.8°C) at their lowest.
When is the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10h of sunshine.
What is the driest month?
November is the month with the least rainfall. Rain falls for 12.1 days and accumulates 2.01" (51mm) 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
Mammoth, PA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Mammoth, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"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:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Mammoth, PA
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.2mph - Average wind speed in March:
7.7mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Mammoth, PA
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall
Mammoth, PA
- Average rainfall in January:
2.68" - Average rainfall in February:
2.91" - Average rainfall in March:
2.91" - Average rainfall in April:
3.23" - Average rainfall in May:
3.66" - Average rainfall in June:
3.03"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days
Mammoth, PA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
18.2 days - Average rainfall days in May:
22 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
19.1 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
16.2 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
13.1 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).
Average snowfall
Mammoth, PA
- Average snowfall in January:
7.09" - Average snowfall in February:
6.06" - Average snowfall in March:
5.08" - Average snowfall in April:
1.1" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mammoth, PA
- Average snowfall days in January:
17.3 days - Average snowfall days in February:
13.9 days - Average snowfall days in March:
9.2 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.4 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:
0.6 days - Average snowfall days in November:
6.1 days - Average snowfall days in December:
12.8 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mammoth, 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:
3h - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days
Mammoth, PA
- Average sunshine days in January:
6.5 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
8 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
9.7 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).
Average UV index
Mammoth, PA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Mammoth, PA
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Mammoth, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Mammoth, Pennsylvania, USA
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