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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, like December, is a moderate winter month in Jacksonville, Texas, with an average temperature varying between 55.4°F (13°C) and 39.2°F (4°C). In Jacksonville, January is the month with the lowest recorded average temperatures, measuring a high of 55.4°F (13°C) and a low of 39.2°F (4°C). Weather in January »
Weather in February
February, the last month of the winter in Jacksonville, is another mild month, with an average temperature fluctuating between 43.2°F (6.2°C) and 59.4°F (15.2°C). The start of February sees the average high-temperature at a still moderate 59.4°F (15.2°C), showing little difference from January's 55.4°F (13°C). Weather in February »
Weather in March
The first month of the spring, March, is a pleasant month in Jacksonville, Texas, with an average temperature varying between 49.6°F (9.8°C) and 68°F (20°C). Observing a slight rise in March, the average high-temperature shifts from February's mild 59.4°F (15.2°C) to an agreeable 68°F (20°C). Weather in March »
Weather in April
April is a moderately hot spring month in Jacksonville, Texas, with an average temperature ranging between max 76.1°F (24.5°C) and min 54.9°F (12.7°C). In April, the meteorological conditions subtly change with the average high-temperature edging from an agreeable 68°F (20°C) in March to a moderately hot 76.1°F (24.5°C). Weather in April »
Weather in May
The last month of the spring, May, is also a moderately hot month in Jacksonville, Texas, with an average temperature varying between 63.1°F (17.3°C) and 83.8°F (28.8°C). May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's moderately hot 76.1°F (24.5°C) to a still warm 83.8°F (28.8°C). Weather in May »
Weather in June
June, the first month of the summer in Jacksonville, is a tropical month, with an average temperature varying between 91°F (32.8°C) and 70.9°F (21.6°C). June's onset witnesses a minor shift in the average high-temperature, moving from a warm 83.8°F (28.8°C) in May to a tropical 91°F (32.8°C). Weather in June »
Weather in July
July, the same as June, in Jacksonville, Texas, is a hot summer month, with an average temperature varying between 94.1°F (34.5°C) and 72.9°F (22.7°C). In July, Jacksonville's weather conditions record an average high-temperature of a still tropical 94.1°F (34.5°C), demonstrating little divergence from the preceding month. Weather in July »
Weather in August
The last month of the summer, August, is a sweltering month in Jacksonville, Texas, with an average temperature varying between 73.2°F (22.9°C) and 95.4°F (35.2°C). August is Jacksonville's warmest month, registering average high temperatures of 95.4°F (35.2°C) and lows of 73.2°F (22.9°C). In August, the heat index is appraised at a life-threatening hot 120.2°F (49°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Jacksonville, Texas, with an average temperature ranging between max 88.9°F (31.6°C) and min 67.8°F (19.9°C). As September arrives, Jacksonville's weather displays a minor decrease in high-temperatures, transitioning from August's fiery hot 95.4°F (35.2°C) to a tropical 88.9°F (31.6°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Jacksonville, Texas, with temperature in the range of an average low of 57.6°F (14.2°C) and an average high of 77.4°F (25.2°C). October indicates a shift in the average high-temperature, from September's hot 88.9°F (31.6°C) to a moderately hot 77.4°F (25.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Jacksonville, Texas, with an average temperature fluctuating between 65.1°F (18.4°C) and 47.8°F (8.8°C). The arrival of November signals a shift in temperature, down from a moderately hot 77.4°F (25.2°C) in October to a comfortable 65.1°F (18.4°C). Weather in November »
Weather in December
December, the first month of the winter in Jacksonville, is also a moderate month, with an average temperature fluctuating between 42.1°F (5.6°C) and 57°F (13.9°C). The move into December indicates a slight reduction in the average high-temperature, down from November's enjoyable 65.1°F (18.4°C) to a mild 57°F (13.9°C). Weather in December »
Updated: Aug 21, 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?
Jacksonville's coldest month, January, generally records average temperatures ranging from a high of 55.4°F (13°C) to a low of 39.2°F (4°C).
How many days does it rain?
Throughout the year, in Jacksonville, there are 149.1 rainfall days, and 32.32" (821mm) of precipitation is accumulated.
When does it snow?
January and February are months with snowfall.
How much does it snow?
Throughout the year, there are 1.8 snowfall days, and 0.87" (22mm) of snow is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.
What is the most humid month?
The most humid month is February, with an average relative humidity of 80%.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 0.8 days and typically aggregates up to 0.51" (13mm) of snow.
When it does not snow?
In Jacksonville, snow does not fall in March through December.
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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When are the longest days?
With an average of 14h and 12min of daylight, June has the longest days of the year.
When is the highest UV index?
The months with the highest UV index in Jacksonville are June through August, with an average maximum UV index of 7.
What is the driest month?
The months with the least rainfall are July and August Rain falls for 12.5 days and accumulates 1.89" (48mm) of rain.
What time of the year is the hottest?
August tends to be the warmest month, with temperatures averaging a daily high of 95.4°F (35.2°C) and a low of 73.2°F (22.9°C).
What is the least humid month?
The least humid month is August, with an average relative humidity of 66%.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.5h of sunshine.
What is the wettest month?
The month with the most rainfall is October, when the rain falls for 10.7 days and typically aggregates up to 3.74" (95mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 10h and 6min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 5h of sunshine.
Average temperature
Jacksonville, TX
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is January (55.4°F).
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure
Jacksonville, TX
- Average pressure in January:
30.17"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:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.97"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 (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Jacksonville, TX
- Average wind speed in January:
7mph - Average wind speed in February:
7.2mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity
Jacksonville, TX
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Jacksonville, TX
- Average rainfall in January:
2.13" - Average rainfall in February:
2.4" - Average rainfall in March:
2.91" - Average rainfall in April:
3.66" - Average rainfall in May:
3.46" - Average rainfall in June:
2.99"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.89" - Average rainfall in September:
2.24" - Average rainfall in October:
3.74" - Average rainfall in November:
2.01" - Average rainfall in December:
2.99"
The wettest month (with the highest rainfall) is October (3.74").
The driest months (with the least rainfall) are July and August (1.89").
Average rainfall days
Jacksonville, TX
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
13 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall
Jacksonville, TX
The month with the highest snowfall is February (0.51").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Jacksonville, TX
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.2 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 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Jacksonville, TX
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 1min - 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 1min
- Average daylight in July:
14h and 0min - 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 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days
Jacksonville, TX
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
14.9 days - Average sunshine days in June:
14.6 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
14 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (13.6 days).
Average UV index
Jacksonville, 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, November and December (UV index 3).
Average cloud cover
Jacksonville, TX
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Jacksonville, TX
The months with the highest visibility are January, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February, April and May (5mi).
Jacksonville, Texas, USA
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