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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 a cool winter month in Jefferson, Texas, with an average temperature ranging between min 37.9°F (3.3°C) and max 54°F (12.2°C). The month of January sees the lowest average temperatures, reaching 54°F (12.2°C) at the peak and 37.9°F (3.3°C) at the low. Weather in January »
Weather in February
February, the last month of the winter in Jefferson, is a moderate month, with an average temperature ranging between max 57.7°F (14.3°C) and min 42.3°F (5.7°C). The transition into February shows a subtle variation to a mild 57.7°F (14.3°C) from January's 54°F (12.2°C) in the average high-temperature. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Jefferson, Texas, with an average temperature fluctuating between 66.7°F (19.3°C) and 48.6°F (9.2°C). March brings a temperature change, with average high-temperatures moving from February's refreshing 57.7°F (14.3°C) to an enjoyable 66.7°F (19.3°C). Weather in March »
Weather in April
April in Jefferson, Texas, is a warm spring month, with an average temperature fluctuating between 75.7°F (24.3°C) and 54.3°F (12.4°C). April's arrival brings a change in high-temperatures, moving from a comfortable 66.7°F (19.3°C) in March to a warm 75.7°F (24.3°C). Weather in April »
Weather in May
The last month of the spring, May, is also a moderately hot month in Jefferson, Texas, with an average temperature ranging between min 63.1°F (17.3°C) and max 84.2°F (29°C). May brings a slight rise in Jefferson's average high-temperature, moving from 75.7°F (24.3°C) in April to a still warm 84.2°F (29°C). Weather in May »
Weather in June
June, the first month of the summer in Jefferson, is a tropical month, with temperature in the range of an average high of 92.3°F (33.5°C) and an average low of 70.5°F (21.4°C). As Jefferson welcomes June, the average high-temperature displays a subtle shift, adjusting from a warm 84.2°F (29°C) in May to a tropical 92.3°F (33.5°C). Weather in June »
Weather in July
July, like June, is another tropical summer month in Jefferson, Texas, with an average temperature varying between 94.8°F (34.9°C) and 73°F (22.8°C). Jefferson's July weather, marked by an average high temperature of 94.8°F (34.9°C) and an average low temperature of 73°F (22.8°C), is the warmest in the year. The heat index in July is estimated at a burning hot 120.2°F (49°C). Weather in July »
Weather in August
August, the last month of the summer in Jefferson, is also a hot month, with an average temperature fluctuating between 94.6°F (34.8°C) and 73°F (22.8°C). August's onset sees an average high-temperature of a still hot 94.6°F (34.8°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 hot month in Jefferson, Texas, with an average temperature fluctuating between 88.3°F (31.3°C) and 67.1°F (19.5°C). As September begins, there is a minor decrease in the average high-temperature, softly falling from a hot 94.6°F (34.8°C) in August to a still tropical 88.3°F (31.3°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Jefferson, Texas, with an average temperature ranging between max 76.3°F (24.6°C) and min 56.5°F (13.6°C). October's onset brings a reduction in the average high-temperature, from a hot 88.3°F (31.3°C) in September to a moderately hot 76.3°F (24.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Jefferson, Texas, with an average temperature varying between 63.9°F (17.7°C) and 47.1°F (8.4°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a moderately hot 76.3°F (24.6°C) to a refreshing 63.9°F (17.7°C). Weather in November »
Weather in December
December, the first month of the winter in Jefferson, is still a mild month, with an average temperature ranging between min 41.2°F (5.1°C) and max 55.8°F (13.2°C). In Jefferson, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's enjoyable 63.9°F (17.7°C) to a mild 55.8°F (13.2°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Jefferson?
In Jefferson, Texas, the average lowest temperatures are observed in January, with a high of 54°F (12.2°C) and a low of 37.9°F (3.3°C).
How much does it rain in Jefferson?
Throughout the year, there are 155.6 rainfall days, and 35.79" (909mm) of precipitation is accumulated.
When does it snow in Jefferson?
January through March are months with snowfall in Jefferson.
How many days does it snow in Jefferson?
In Jefferson, Texas, during the entire year, snow falls for 2.6 days and aggregates up to 1.34" (34mm) of snow.
What are the months with the lowest UV index in Jefferson?
The months with the lowest UV index in Jefferson, Texas, are January and December, with an average maximum UV index of 3.
What is the most humid month in Jefferson?
With an average relative humidity of 80%, February is the most humid month in Jefferson, Texas.
When does it snow the most in Jefferson?
The month with the most snowfall in Jefferson is February, when snow falls for 1.1 days and typically aggregates up to 0.63" (16mm) of snow.
When is Daylight Saving Time (DST) in Jefferson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Jefferson, 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.
What is the rainiest month in Jefferson?
April is the month with the most rainfall in Jefferson. Rain falls for 13.3 days and accumulates 4.41" (112mm) of precipitation.
When it does not snow in Jefferson?
In Jefferson, Texas, snow does not fall in April through December.
When are the longest days in Jefferson?
The month with the longest days is June, with an average of 14h and 18min of daylight.
When is the highest UV index in Jefferson?
The months with the highest UV index are June through August, with an average maximum UV index of 7.
What part of the year is the hottest in Jefferson?
In Jefferson, July registers the highest temperatures, averaging 94.8°F (34.9°C) at the peak and 73°F (22.8°C) at the lowest.
What is the least humid month in Jefferson?
The least humid month is August, with an average relative humidity of 67%.
What month has the most sunshine in Jefferson?
The month with the most sunshine is August, with an average of 10.6h of sunshine.
What is the driest month in Jefferson?
The month with the least rainfall in Jefferson is September, when the rain falls for 13.6 days and typically collects 2.05" (52mm) of precipitation.
What is the month with the shortest days in Jefferson?
December has the shortest days of the year in Jefferson, with an average of 10h and 0min of daylight.
What is the month with the least sunshine in Jefferson?
The month with the least sunshine in Jefferson is December, with an average of 5.1h of sunshine.
Average temperature
Jefferson, TX
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is January (54°F).
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure
Jefferson, 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:
29.95"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"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 (29.93"Hg).
Average wind speed
Jefferson, TX
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.8mph - Average wind speed in March:
7mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Jefferson, TX
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (67%).
Average rainfall
Jefferson, TX
- Average rainfall in January:
2.52" - Average rainfall in February:
2.99" - Average rainfall in March:
3.5" - Average rainfall in April:
4.41" - Average rainfall in May:
3.27" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.56" - Average rainfall in September:
2.05" - Average rainfall in October:
3.27" - Average rainfall in November:
2.48" - Average rainfall in December:
3.5"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days
Jefferson, TX
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is January (10.3 days).
Average snowfall
Jefferson, TX
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Jefferson, TX
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1.1 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 month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Jefferson, TX
- Average daylight in January:
10h and 2min - 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 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - 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 2min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Jefferson, TX
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
14 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is February (12.8 days).
Average UV index
Jefferson, 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 and December (UV index 3).
Average cloud cover
Jefferson, TX
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Jefferson, TX
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Jefferson, Texas, USA
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