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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