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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 days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Port Sulphur, Louisiana, is another enjoyable winter month, with an average temperature varying between 51.6°F (10.9°C) and 61.2°F (16.2°C). January is the month when Port Sulphur sees the lowest average temperatures, with a high of 61.2°F (16.2°C) and a low of 51.6°F (10.9°C). Weather in January »
Weather in February
The last month of the winter, February, is another comfortable month in Port Sulphur, Louisiana, with an average temperature fluctuating between 64.8°F (18.2°C) and 55.2°F (12.9°C). The introduction of February sees an average high-temperature of a still refreshing 64.8°F (18.2°C), hardly deviating from January. Weather in February »
Weather in March
March, the first month of the spring in Port Sulphur, is a pleasant month, with an average temperature varying between 69.4°F (20.8°C) and 60.3°F (15.7°C). With March's arrival, Port Sulphur's weather records an average high-temperature of an agreeable 69.4°F (20.8°C), marking little difference from February's 64.8°F (18.2°C). Weather in March »
Weather in April
April in Port Sulphur, Louisiana, is a warm spring month, with an average temperature varying between 65.8°F (18.8°C) and 75.2°F (24°C). April witnesses a subtle temperature ascent, adjusting from a pleasant 69.4°F (20.8°C) in March to a moderately hot 75.2°F (24°C). Weather in April »
Weather in May
May, the last month of the spring in Port Sulphur, is also a moderately hot month, with an average temperature varying between 72.9°F (22.7°C) and 81.3°F (27.4°C). As Port Sulphur transitions into May, the average high-temperature is observed to slightly rise from a moderately hot 75.2°F (24°C) in April to a still warm 81.3°F (27.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Port Sulphur, Louisiana, with an average temperature ranging between min 78.8°F (26°C) and max 86.5°F (30.3°C). May's transformation into June witnesses an average high-temperature of a hot 86.5°F (30.3°C), noting a minor change from the preceding month. Weather in June »
Weather in July
July, like June, is another hot summer month in Port Sulphur, Louisiana, with temperature in the range of an average low of 79.9°F (26.6°C) and an average high of 87.4°F (30.8°C). Port Sulphur's average high-temperature in July is a still hot 87.4°F (30.8°C), marking an insignificant difference from the 86.5°F (30.3°C) of June. Weather in July »
Weather in August
August, the last month of the summer in Port Sulphur, is another hot month, with temperature in the range of an average high of 87.6°F (30.9°C) and an average low of 80.4°F (26.9°C). Port Sulphur's August weather, marked by an average high temperature of 87.6°F (30.9°C) and an average low temperature of 80.4°F (26.9°C), is the warmest in the year. For most parts of August, the heat index is calculated to be a fiery hot 102.2°F (39°C). Weather in August »
Weather in September
September, the first month of the autumn in Port Sulphur, is also a moderately hot month, with an average temperature fluctuating between 77.7°F (25.4°C) and 85.1°F (29.5°C). With September's arrival, Port Sulphur notes an average high-temperature of a moderately hot 85.1°F (29.5°C), closely following the trend of the preceding month. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Port Sulphur, Louisiana, with an average temperature fluctuating between 78.4°F (25.8°C) and 70.2°F (21.2°C). October is characterized by a slight reduction in average high-temperature, easing from 85.1°F (29.5°C) in September to a still moderately hot 78.4°F (25.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Port Sulphur, is another pleasant month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 60.4°F (15.8°C). The onset of November is marked by a decrease in temperature, transitioning from a moderately hot 78.4°F (25.8°C) in October to a pleasant 69.3°F (20.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a refreshing month in Port Sulphur, Louisiana, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 64.2°F (17.9°C). Port Sulphur's December showcases an average high-temperature of a refreshing 64.2°F (17.9°C), hardly distinct from November's 69.3°F (20.7°C). Weather in December »
Updated: Jun 10, 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?
The coldest month is January, with an average high-temperature of 61.2°F (16.2°C) and an average low-temperature of 51.6°F (10.9°C).
How many days does it rain?
Throughout the year, there are 137.2 rainfall days, and 19.92" (506mm) of precipitation is accumulated.
When does it snow?
January is the only month when snow falls.
What is the snowiest month?
The month with the most snowfall days in Port Sulphur is January, when snow falls for 0.2 days.
How many days does it snow in Port Sulphur?
In Port Sulphur, during the entire year, snow falls for 0.2 days.
When is the lowest UV index?
January and December, with an average maximum UV index of 4, are months with the lowest UV index.
When it does not snow?
In Port Sulphur, snow does not fall in February through December.
When is Daylight Saving Time (DST) in Port Sulphur?
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 driest month?
The month with the least rainfall is April, when the rain falls for 7.6 days and typically collects 0.79" (20mm) of precipitation.
When is the highest UV index?
May through September, with an average maximum UV index of 7, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 0min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 11.1h of sunshine.
What is the hottest time of year?
Port Sulphur's warmest temperatures are experienced in August, with average high temperatures of 87.6°F (30.9°C) and lows of 80.4°F (26.9°C).
What is the wettest month?
The month with the most rainfall in Port Sulphur, Louisiana, is August, when the rain falls for 20.3 days and typically aggregates up to 4.72" (120mm) of precipitation.
What is the least humid month?
With an average relative humidity of 70%, October is the least humid month.
What is the most humid month?
December is the most humid month, with an average relative humidity of 78%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 18min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 5.3h of sunshine.
Average temperature
Port Sulphur, LA
The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (61.2°F).
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).
Average pressure
Port Sulphur, LA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed
Port Sulphur, LA
- Average wind speed in January:
11.3mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.5mph - Average wind speed in September:
8.2mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.8mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Port Sulphur, LA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Port Sulphur, LA
- Average rainfall in January:
0.91" - Average rainfall in February:
0.83" - Average rainfall in March:
0.91" - Average rainfall in April:
0.79" - Average rainfall in May:
1.22" - Average rainfall in June:
1.69"
- Average rainfall in July:
3.35" - Average rainfall in August:
4.72" - Average rainfall in September:
1.77" - Average rainfall in October:
1.18" - Average rainfall in November:
1.06" - Average rainfall in December:
1.5"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is April (0.79").
Average rainfall days
Port Sulphur, LA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
7.6 days - Average rainfall days in May:
9.7 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
20.3 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
7 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (7 days).
Average snowfall days
Port Sulphur, LA
- Average snowfall days in January:
0.2 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 (0.2 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
Port Sulphur, LA
- Average daylight in January:
10h and 3min - 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:
14h and 0min
- 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 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
5h and 3min - Average sunshine in March:
8h and 1min - Average sunshine in April:
10h and 1min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 4min - Average sunshine in September:
10h and 1min - Average sunshine in October:
7h and 3min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days
Port Sulphur, LA
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
19.6 days - Average sunshine days in April:
20.9 days - Average sunshine days in May:
19.6 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
7.3 days - Average sunshine days in September:
11 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
18.2 days
The months with the most sunshine days are April and November (20.9 days).
The month with the least sunshine days is August (7.3 days).
Average UV index
Port Sulphur, LA
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover
Port Sulphur, LA
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility
Port Sulphur, LA
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 Sulphur, Louisiana, USA
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