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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, in Sullivan City, Texas, is an agreeable winter month, with an average temperature ranging between min 53.2°F (11.8°C) and max 69.8°F (21°C). January brings the lowest temperatures, with an average high of 69.8°F (21°C) and an average low of 53.2°F (11.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a moderately hot month in Sullivan City, Texas, with an average temperature ranging between min 57.2°F (14°C) and max 75.7°F (24.3°C). With the beginning of February, Sullivan City's average high-temperature sees a minor increase, transitioning from an agreeable 69.8°F (21°C) in January to a moderately hot 75.7°F (24.3°C). Weather in February »
Weather in March
The first month of the spring, March, is still a warm month in Sullivan City, Texas, with an average temperature ranging between max 82.6°F (28.1°C) and min 62.4°F (16.9°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a moderately hot 75.7°F (24.3°C) to a still warm 82.6°F (28.1°C). Weather in March »
Weather in April
April in Sullivan City, Texas, is a hot spring month, with an average temperature fluctuating between 90°F (32.2°C) and 68.2°F (20.1°C). Sullivan City's weather in April presents a minor rise in the average high-temperature, moving from a moderately hot 82.6°F (28.1°C) in March to a tropical 90°F (32.2°C). Weather in April »
Weather in May
May, the last month of the spring in Sullivan City, is another tropical month, with an average temperature fluctuating between 93.6°F (34.2°C) and 73°F (22.8°C). The shift into May records an average high-temperature of a still hot 93.6°F (34.2°C), subtly varied from April's 90°F (32.2°C). Weather in May »
Weather in June
June, the first month of the summer in Sullivan City, is a torrid month, with temperature in the range of an average high of 97.3°F (36.3°C) and an average low of 76.8°F (24.9°C). Sullivan City experiences an average high-temperature of a sweltering 97.3°F (36.3°C) in June, marking an insignificant shift from 93.6°F (34.2°C) in May. Weather in June »
Weather in July
July, like June, in Sullivan City, Texas, is another torrid summer month, with temperature in the range of an average high of 98.4°F (36.9°C) and an average low of 77.9°F (25.5°C). With the advent of July, Sullivan City experiences an average high-temperature of a still fiery hot 98.4°F (36.9°C), mirroring a close resemblance to the previous month. Weather in July »
Weather in August
August, the last month of the summer in Sullivan City, is also a fiery hot month, with an average temperature fluctuating between 80.1°F (26.7°C) and 99.9°F (37.7°C). The warmest month is August, with an average high-temperature of 99.9°F (37.7°C) and an average low-temperature of 80.1°F (26.7°C). Throughout August, the heat index is evaluated at a life-threatening hot 123.8°F (51°C). Weather in August »
Weather in September
September, the first month of the autumn in Sullivan City, is also a hot month, with an average temperature fluctuating between 92.8°F (33.8°C) and 77.2°F (25.1°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a very hot 99.9°F (37.7°C) in August to a hot 92.8°F (33.8°C). Weather in September »
Weather in October
October, like September, is another tropical autumn month in Sullivan City, Texas, with an average temperature fluctuating between 70.2°F (21.2°C) and 87.6°F (30.9°C). During October, Sullivan City records an average high-temperature of a still hot 87.6°F (30.9°C), marking a slight divergence from September's 92.8°F (33.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another warm month in Sullivan City, Texas, with an average temperature varying between 77.4°F (25.2°C) and 61.3°F (16.3°C). A moderate decline in the average high-temperature is seen during November, decreasing from a hot 87.6°F (30.9°C) in October to a warm 77.4°F (25.2°C). Weather in November »
Weather in December
December, the first month of the winter in Sullivan City, is still a pleasant month, with an average temperature fluctuating between 54.9°F (12.7°C) and 71.2°F (21.8°C). December implies a soft temperature shift, with average high-temperatures reducing from November's moderately hot 77.4°F (25.2°C) to an agreeable 71.2°F (21.8°C). Weather in December »
Updated: Aug 1, 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 month?
During the coldest month in Sullivan City, January, temperatures average a high of 69.8°F (21°C) and a low of 53.2°F (11.8°C).
How many days does it rain in Sullivan City?
In Sullivan City, during the entire year, the rain falls for 98.5 days and collects up to 12.17" (309mm) of precipitation.
When does it snow?
January is the only month when snow falls.
What is the snowiest month in Sullivan City?
January is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.
How many days does it snow?
In Sullivan City, during the entire year, snow falls for 0.1 days and aggregates up to 0.04" (1mm) of snow.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 5.6 days and typically collects 0.47" (12mm) of precipitation.
When it does not snow?
In Sullivan City, snow does not fall in February 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?
The month with the longest days in Sullivan City is June, with an average of 13h and 48min of daylight.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 11.4h of sunshine.
When is the highest UV index in Sullivan City?
July and August, with an average maximum UV index of 8, are months with the highest UV index.
What part of the year is the hottest?
Sullivan City's warmest month, August, generally records average temperatures ranging from a high of 99.9°F (37.7°C) to a low of 80.1°F (26.7°C).
What is the least humid month?
August is the least humid month, with an average relative humidity of 55%.
What is the rainiest month?
September is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.2" (56mm) of precipitation.
What is the most humid month?
With an average relative humidity of 66%, December is the most humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 30min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 5.8h of sunshine.
When is the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 4.
Average temperature
Sullivan City, TX
The warmest month (with the highest average high temperature) is August (99.9°F).
The month with the lowest average high temperature is January (69.8°F).
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (53.2°F).
Average pressure
Sullivan City, TX
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.88"Hg - Average pressure in May:
29.87"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed
Sullivan City, TX
- Average wind speed in January:
9.4mph - Average wind speed in February:
10.5mph - Average wind speed in March:
12.1mph - Average wind speed in April:
12.7mph - Average wind speed in May:
13.5mph - Average wind speed in June:
12.7mph
- Average wind speed in July:
13.7mph - Average wind speed in August:
12.2mph - Average wind speed in September:
9.8mph - Average wind speed in October:
9.9mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is July (13.7mph).
The calmest months (with the lowest average wind speed) are January and December (9.4mph).
Average humidity
Sullivan City, TX
The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is August (55%).
Average rainfall
Sullivan City, TX
- Average rainfall in January:
0.51" - Average rainfall in February:
0.47" - Average rainfall in March:
0.55" - Average rainfall in April:
0.67" - Average rainfall in May:
1.65" - Average rainfall in June:
1.3"
- Average rainfall in July:
1.46" - Average rainfall in August:
0.63" - Average rainfall in September:
2.2" - Average rainfall in October:
0.91" - Average rainfall in November:
1.02" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is September (2.2").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Sullivan City, TX
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
8.2 days - Average rainfall days in April:
7.7 days - Average rainfall days in May:
9.4 days - Average rainfall days in June:
9 days
- Average rainfall days in July:
6.9 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is September (15.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall
Sullivan City, TX
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Sullivan City, TX
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 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 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Sullivan City, TX
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 2min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 5min - Average sunshine in March:
8h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
10h and 1min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
8h and 1min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Sullivan City, TX
- Average sunshine days in January:
22.2 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
21.3 days - Average sunshine days in April:
20.3 days - Average sunshine days in May:
19.3 days - Average sunshine days in June:
19.5 days
- Average sunshine days in July:
22.4 days - Average sunshine days in August:
23.3 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
22.1 days
The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is September (12.9 days).
Average UV index
Sullivan City, TX
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover
Sullivan City, TX
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Sullivan City, 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).
Sullivan City, Texas, USA
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