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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 sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another refreshing winter month in Port Lavaca, Texas, with an average temperature varying between 49.6°F (9.8°C) and 62.2°F (16.8°C). With average high and low temperatures of 62.2°F (16.8°C) and 49.6°F (9.8°C) respectively, January is Port Lavaca's coldest month. Weather in January »
Weather in February
February, the last month of the winter in Port Lavaca, is another refreshing month, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 65.1°F (18.4°C). Port Lavaca observes a minor difference in average high-temperatures between January's 62.2°F (16.8°C) and February's 65.1°F (18.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a pleasant month in Port Lavaca, Texas, with an average temperature varying between 70.7°F (21.5°C) and 59.4°F (15.2°C). Port Lavaca's weather in March presents a minor rise in the average high-temperature, moving from a refreshing 65.1°F (18.4°C) in February to an agreeable 70.7°F (21.5°C). Weather in March »
Weather in April
April in Port Lavaca, Texas, is a warm spring month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 77°F (25°C). April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's pleasant 70.7°F (21.5°C) to a moderately hot 77°F (25°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Port Lavaca, Texas, with temperature in the range of an average low of 72.3°F (22.4°C) and an average high of 82.8°F (28.2°C). Port Lavaca's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's warm 77°F (25°C) to a still moderately hot 82.8°F (28.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Port Lavaca, Texas, with an average temperature ranging between min 77.2°F (25.1°C) and max 88.2°F (31.2°C). As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from a warm 82.8°F (28.2°C) to a tropical 88.2°F (31.2°C). Weather in June »
Weather in July
July, the same as June, in Port Lavaca, Texas, is another hot summer month, with temperature in the range of an average low of 79°F (26.1°C) and an average high of 89.8°F (32.1°C). July's advent denotes a minor fluctuation in the average high-temperature to a still hot 89.8°F (32.1°C) from June's 88.2°F (31.2°C). Weather in July »
Weather in August
August, the last month of the summer in Port Lavaca, is another tropical month, with an average temperature ranging between min 79.3°F (26.3°C) and max 90.7°F (32.6°C). August, with its average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 79.3°F (26.3°C), holds the record as the warmest month. August's mean heat index is evaluated at a scorching 109.4°F (43°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Port Lavaca, Texas, with an average temperature varying between 86.9°F (30.5°C) and 76.1°F (24.5°C). Port Lavaca signifies an average high-temperature of a still hot 86.9°F (30.5°C) in September, closely mirroring the 90.7°F (32.6°C) of August. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Port Lavaca, Texas, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 80.6°F (27°C). The arrival of October is marked by a minor reduction in average high-temperature, sliding from a hot 86.9°F (30.5°C) in September to a warm 80.6°F (27°C). Weather in October »
Weather in November
The last month of the autumn, November, is another pleasant month in Port Lavaca, Texas, with an average temperature fluctuating between 59.7°F (15.4°C) and 70.9°F (21.6°C). The onset of November results in a decrease in the average high-temperature, receding from a warm 80.6°F (27°C) in October to an agreeable 70.9°F (21.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also an enjoyable month in Port Lavaca, Texas, with an average temperature varying between 63.7°F (17.6°C) and 52.9°F (11.6°C). Transition into December subtly marks a drop in the average high-temperature, moderately moving from an agreeable 70.9°F (21.6°C) in November to an enjoyable 63.7°F (17.6°C). Weather in December »
Updated: Jul 27, 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 time of the year is the coldest?
January is the month that records the lowest temperatures, with averages ranging from a high of 62.2°F (16.8°C) to a low of 49.6°F (9.8°C).
How much does it rain?
In Port Lavaca, during the entire year, the rain falls for 156.8 days and collects up to 23.5" (597mm) of precipitation.
When does it snow?
January is the only month when snow falls.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.
How much does it snow?
In Port Lavaca, during the entire year, snow falls for 0.2 days and aggregates up to 0.04" (1mm) of snow.
When is the ocean coldest?
January is the month with the coldest seawater, with an average ocean temperature of 60.1°F (15.6°C).
When is the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 4.
What is the most humid month?
The months with the highest humidity are February and March, with an average relative humidity of 79%.
What is the driest month?
February is the month with the least rainfall. Rain falls for 11.2 days and accumulates 0.87" (22mm) of precipitation.
When it does not snow?
February through December are months without snowfall.
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.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 7, are months with the highest UV index in Port Lavaca.
When are the longest days?
With an average of 13h and 54min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine in Port Lavaca is July, with an average of 10.8h of sunshine.
What part of the year is the hottest?
August, with average temperatures reaching a high of 90.7°F (32.6°C) and a low of 79.3°F (26.3°C), is the warmest month.
When is the ocean warmest?
The month with the warmest seawater is August, with an average ocean temperature of 86.7°F (30.4°C).
What is the wettest month in Port Lavaca?
September is the month with the most rainfall. Rain falls for 19.8 days and accumulates 3.35" (85mm) of precipitation.
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 24min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 4.7h of sunshine.
Average temperature
Port Lavaca, TX
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (62.2°F).
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure
Port Lavaca, TX
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Port Lavaca, TX
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.6mph - Average wind speed in April:
11.2mph - Average wind speed in May:
11mph - Average wind speed in June:
9.7mph
- Average wind speed in July:
9.2mph - Average wind speed in August:
8.8mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.4mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity
Port Lavaca, TX
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Port Lavaca, TX
- Average rainfall in January:
1.46" - Average rainfall in February:
0.87" - Average rainfall in March:
1.5" - Average rainfall in April:
1.5" - Average rainfall in May:
1.93" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.28" - Average rainfall in August:
2.4" - Average rainfall in September:
3.35" - Average rainfall in October:
2.09" - Average rainfall in November:
1.77" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is September (3.35").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days
Port Lavaca, TX
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
14 days - Average rainfall days in September:
19.8 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
11.8 days - Average rainfall days in December:
12.8 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is January (10.8 days).
Average snowfall
Port Lavaca, 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
Port Lavaca, 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:
0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Port Lavaca, TX
The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (60.1°F).
Average daylight / Average sunshine
Port Lavaca, TX
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days
Port Lavaca, TX
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
17.1 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
12 days - Average sunshine days in September:
8.5 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
15.7 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is September (8.5 days).
Average UV index
Port Lavaca, TX
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover
Port Lavaca, TX
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Port Lavaca, 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).
Port Lavaca, Texas, USA
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