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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 Mammoth, West Virginia, with an average temperature fluctuating between 37.9°F (3.3°C) and 24.3°F (-4.3°C). Mammoth witnesses the coldest weather in January, with temperatures averaging a high of 37.9°F (3.3°C) and a low of 24.3°F (-4.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Mammoth, West Virginia, with an average temperature fluctuating between 43°F (6.1°C) and 27.9°F (-2.3°C). Mammoth marks the start of February with an average high-temperature of a frosty 43°F (6.1°C), hinting at a slight fluctuation from January's 37.9°F (3.3°C). Weather in February »
Weather in March
March, the first month of the spring in Mammoth, is a fresh month, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 34.9°F (1.6°C). Mammoth's March weather indicates a minor increase in high-temperatures, edging from February's chilly 43°F (6.1°C) to a cool 51.4°F (10.8°C). Weather in March »
Weather in April
April in Mammoth, West Virginia, is an enjoyable spring month, with an average temperature varying between 43.7°F (6.5°C) and 63.7°F (17.6°C). The beginning of April marks a shift in the average high-temperature, moving from March's fresh 51.4°F (10.8°C) to an enjoyable 63.7°F (17.6°C). Weather in April »
Weather in May
May, the last month of the spring in Mammoth, is a moderately hot month, with an average temperature varying between 52.3°F (11.3°C) and 73.4°F (23°C). Mammoth's weather shows a temperature rise with the arrival of May, moving from an enjoyable 63.7°F (17.6°C) in April to a moderately hot 73.4°F (23°C). Weather in May »
Weather in June
June, the first month of the summer in Mammoth, is also a moderately hot month, with an average temperature ranging between min 57.7°F (14.3°C) and max 80.2°F (26.8°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from a warm 73.4°F (23°C) in May to a still moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Mammoth, West Virginia, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 61.2°F (16.2°C). In Mammoth, the highest average temperatures are observed in July, with a high of 83.8°F (28.8°C) and a low of 61.2°F (16.2°C). The heat index in July is computed to be a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Mammoth, is also a moderately hot month, with an average temperature varying between 82.8°F (28.2°C) and 59.4°F (15.2°C). The transition from July to August brings an average high-temperature of a still moderately hot 82.8°F (28.2°C), barely different from July's 83.8°F (28.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Mammoth, is also a moderately hot month, with an average temperature ranging between min 55°F (12.8°C) and max 76.6°F (24.8°C). The arrival of September signals a subtle shift in temperature, down from a warm 82.8°F (28.2°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »
Weather in October
October, like September, in Mammoth, West Virginia, is another enjoyable autumn month, with an average temperature varying between 45.7°F (7.6°C) and 64°F (17.8°C). The move into October indicates a reduction in the average high-temperature, down from September's warm 76.6°F (24.8°C) to a refreshing 64°F (17.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Mammoth, is another cool month, with an average temperature fluctuating between 36.3°F (2.4°C) and 52.3°F (11.3°C). The commencement of November indicates a shift in the average high-temperature, receding from October's enjoyable 64°F (17.8°C) to a fresh 52.3°F (11.3°C). Weather in November »
Weather in December
December, the first month of the winter in Mammoth, is still a chilly month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 43.5°F (6.4°C). The arrival of December suggests a slight decrease in the average high-temperature, moving from a cool 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
Updated: Jul 20, 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 is the coldest time of year?
Mammoth's temperature records reveal January as the coldest month, marked by average highs of 37.9°F (3.3°C) and lows of 24.3°F (-4.3°C).
How many days does it rain?
In Mammoth, during the entire year, the rain falls for 193.3 days and collects up to 35.98" (914mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 13.5 days and typically aggregates up to 5.75" (146mm) of snow.
How much does it snow?
Throughout the year, there are 45.1 snowfall days, and 22.2" (564mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 83%.
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 wettest month?
The month with the most rainfall is May, when the rain falls for 20.8 days and typically aggregates up to 3.94" (100mm) of precipitation.
What is the least humid month?
June through August and November, with an average relative humidity of 77%, are the least humid months in Mammoth.
When it does not snow?
In Mammoth, 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 14h and 48min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
Mammoth witnesses the warmest weather in July, with temperatures averaging a high of 83.8°F (28.8°C) and a low of 61.2°F (16.2°C).
What month has the most sunshine?
With an average of 10.1h of sunshine, August has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 16 days and typically collects 1.85" (47mm) of precipitation.
What is the month with the shortest days in Mammoth?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Mammoth, WV
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Mammoth, WV
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Mammoth, WV
- Average wind speed in January:
6.8mph - Average wind speed in February:
6.9mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.3mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.3mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Mammoth, WV
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall
Mammoth, WV
- Average rainfall in January:
2.91" - Average rainfall in February:
3.5" - Average rainfall in March:
3.27" - Average rainfall in April:
3.35" - Average rainfall in May:
3.94" - Average rainfall in June:
3.23"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.36" - Average rainfall in September:
1.85" - Average rainfall in October:
2.99" - Average rainfall in November:
2.24" - Average rainfall in December:
3.31"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days
Mammoth, WV
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
17.3 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
20.8 days - Average rainfall days in June:
18.1 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
16 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
14.5 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).
Average snowfall
Mammoth, WV
- Average snowfall in January:
5.75" - Average snowfall in February:
5.63" - Average snowfall in March:
3.5" - Average snowfall in April:
0.63" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mammoth, WV
- Average snowfall days in January:
13.5 days - Average snowfall days in February:
11 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
3.5 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mammoth, WV
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Mammoth, WV
- Average sunshine days in January:
8 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
11.6 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
15.6 days - Average sunshine days in December:
10.3 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index
Mammoth, WV
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Mammoth, WV
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Mammoth, WV
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Mammoth, West Virginia, USA
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