Contents
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Average temperature in December
Mount Vernon, TX
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is August (93.9°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Mount Vernon, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Mount Vernon, TX
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Mount Vernon, TX
- Average humidity in December: 76%
The months with the highest relative humidity are February and May (78%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Mount Vernon, TX
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is October (1.69").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in December
Mount Vernon, TX
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Mount Vernon, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Mount Vernon, TX
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January and February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mount Vernon, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Mount Vernon, TX
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is August (15.8 days).
Average UV index in December
Mount Vernon, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Mount Vernon, TX
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Mount Vernon, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mount Vernon, Texas, USA
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