Climate and monthly weather forecastMount Vernon, TX
Climate and monthly weather forecast
Weather in January
January, the same as December, is another fresh winter month in Mount Vernon, Texas, with an average temperature fluctuating between 52.9°F (11.6°C) and 37°F (2.8°C). January, with its high-temperature average of 52.9°F (11.6°C) and a low-temperature average of 37°F (2.8°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a moderate month in Mount Vernon, Texas, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 41°F (5°C). In February, Mount Vernon notes an average high-temperature of a mild 56.8°F (13.8°C), hardly different from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Mount Vernon, Texas, with an average temperature varying between 65.5°F (18.6°C) and 47.8°F (8.8°C). Mount Vernon's March weather indicates a minor increase in high-temperatures, edging from February's mild 56.8°F (13.8°C) to a still refreshing 65.5°F (18.6°C). Weather in March »Weather in April
April in Mount Vernon, Texas, is a warm spring month, with an average temperature fluctuating between 53.4°F (11.9°C) and 73.4°F (23°C). Mount Vernon's April weather indicates a minor increase in high-temperatures, edging from March's enjoyable 65.5°F (18.6°C) to a warm 73.4°F (23°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Mount Vernon, Texas, with an average temperature varying between 81°F (27.2°C) and 62.2°F (16.8°C). The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a warm 73.4°F (23°C) in April to a still moderately hot 81°F (27.2°C). Weather in May »Weather in June
June, the first month of the summer in Mount Vernon, is a hot month, with an average temperature ranging between max 89.8°F (32.1°C) and min 70.9°F (21.6°C). As Mount Vernon welcomes June, the average high-temperature displays a subtle shift, adjusting from a warm 81°F (27.2°C) in May to a tropical 89.8°F (32.1°C). Weather in June »Weather in July
July, the same as June, in Mount Vernon, Texas, is a hot summer month, with an average temperature ranging between min 73°F (22.8°C) and max 92.8°F (33.8°C). The onset of July marks an average high-temperature of a still hot 92.8°F (33.8°C), hardly differing from June's 89.8°F (32.1°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Mount Vernon, Texas, with an average temperature fluctuating between 93.9°F (34.4°C) and 72.9°F (22.7°C). August is the month when Mount Vernon's temperatures reach their peak, with averages of 93.9°F (34.4°C) and lows of 72.9°F (22.7°C). August's average heat index is estimated at a burning hot 114.8°F (46°C). Weather in August »Weather in September
September, the first month of the autumn in Mount Vernon, is also a hot month, with an average temperature ranging between min 67.1°F (19.5°C) and max 87.3°F (30.7°C). A modest decline in the average high-temperature is seen during September, decreasing from a tropical 93.9°F (34.4°C) in August to a still hot 87.3°F (30.7°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Mount Vernon, Texas, with an average temperature fluctuating between 55.9°F (13.3°C) and 75.4°F (24.1°C). In Mount Vernon, entering October brings a temperature decrement, reducing from September's hot 87.3°F (30.7°C) to a warm 75.4°F (24.1°C). Weather in October »Weather in November
November, the last month of the autumn in Mount Vernon, is also an enjoyable month, with an average temperature ranging between max 63.5°F (17.5°C) and min 46.4°F (8°C). November's onset brings a reduction in the average high-temperature, from a warm 75.4°F (24.1°C) in October to an enjoyable 63.5°F (17.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Mount Vernon, Texas, with an average temperature ranging between max 54.5°F (12.5°C) and min 40.1°F (4.5°C). With the onset of December, Mount Vernon experiences a modest temperature adjustment, with the average high-temperature receding from an enjoyable 63.5°F (17.5°C) in November to a cool 54.5°F (12.5°C). Weather in December »Updated: Aug 28, 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
January, on average, is the coldest month, registering a high temperature of 52.9°F (11.6°C) and a low of 37°F (2.8°C).
Throughout the year, in Mount Vernon, there are 112.3 rainfall days, and 13.7" (348mm) of precipitation is accumulated.
Months with snowfall are January through March.
The month with the most snowfall is January, when snow falls for 0.9 days and typically aggregates up to 0.35" (9mm) of snow.
In Mount Vernon, Texas, during the entire year, snow falls for 2.5 days and aggregates up to 0.67" (17mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
The months with the highest humidity are February and May, with an average relative humidity of 78%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
In Mount Vernon, snow does not fall in April through December.
The month with the longest days is June, with an average of 14h and 18min of daylight.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
With an average high-temperature of 93.9°F (34.4°C) and an average low-temperature of 72.9°F (22.7°C), August is the warmest month.
August is the least humid month, with an average relative humidity of 66%.
The month with the most sunshine is August, with an average of 11h of sunshine.
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.59" (15mm) of precipitation.
The month with the most rainfall is October, when the rain falls for 8 days and typically aggregates up to 1.69" (43mm) of precipitation.
With an average of 10h and 0min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 5.3h of sunshine.
Average temperature
Mount Vernon, TX
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).
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
Mount Vernon, TX
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - 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
Mount Vernon, TX
- Average wind speed in January:
7.9mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.2mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.7mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.5mph - 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
Mount Vernon, TX
The months with the highest relative humidity are February and May (78%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Mount Vernon, TX
- Average rainfall in January:
0.83" - Average rainfall in February:
0.91" - Average rainfall in March:
0.98" - Average rainfall in April:
1.65" - Average rainfall in May:
1.61" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.06" - Average rainfall in August:
1.06" - Average rainfall in September:
0.59" - Average rainfall in October:
1.69" - Average rainfall in November:
0.91" - 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
Mount Vernon, TX
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
10 days - Average rainfall days in May:
11.7 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
11.2 days - Average rainfall days in August:
11 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8 days - Average rainfall days in November:
7.5 days - 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
Mount Vernon, TX
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
Mount Vernon, TX
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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 days - Average snowfall days in November:
0.1 days - 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 / Average sunshine
Mount Vernon, TX
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 30min - 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 January:
5h and 30min - Average sunshine in February:
5h and 48min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 6min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 18min
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
Mount Vernon, TX
- Average sunshine days in January:
21.3 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
18 days - Average sunshine days in April:
18.5 days - Average sunshine days in May:
17.6 days - Average sunshine days in June:
17 days
- Average sunshine days in July:
17.1 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
18 days - Average sunshine days in October:
21.6 days - Average sunshine days in November:
19.9 days - 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
Mount Vernon, TX
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
Mount Vernon, TX
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
Mount Vernon, TX
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).
