Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
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).Humidity
The average relative humidity in January is 75%.Rainfall
In Port Sulphur, in January, during 8.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Port Sulphur, during the entire year, the rain falls for 137.2 days and collects up to 19.92" (506mm) of precipitation.Snowfall
January is the only month when snow falls. January has the most snowfall days of the year. Snow falls for 0.2 days.Daylight
The average length of the day in January in Port Sulphur is 10h and 31min.On the first day of January in Port Sulphur, sunrise is at 6:53 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:35 pm CST.
Sunshine
The average sunshine in January in Port Sulphur is 5.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during January translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
When does it start to snow?
What is the average length of the day in January?
When are sunrise and sunset in January in Port Sulphur?
How long on average sun shines in January?
When is the lowest UV index in Port Sulphur?
What is the UV index intensity in January?
Average temperature in January
Port Sulphur, LA
- Average high temperature in January: 61.2°F
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).
- Average low temperature in January: 51.6°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 in January
Port Sulphur, LA
- Average pressure in January: 30.15"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 in January
Port Sulphur, LA
- Average wind speed in January: 11.3mph
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 in January
Port Sulphur, LA
- Average humidity in January: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Port Sulphur, LA
- Average rainfall in January: 0.91"
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 in January
Port Sulphur, LA
- Average rainfall days in January: 8.3 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 in January
Port Sulphur, LA
- Average snowfall days in January: 0.2 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 in January /
Average sunshine in January
Port Sulphur, LA
- Average daylight in January: 10h and 3min
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
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 in January
Port Sulphur, LA
- Average sunshine days in January: 20.1 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 in January
Port Sulphur, LA
- Average UV index in January: 4
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 in January
Port Sulphur, LA
- Average cloud cover in January: 36
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 in January
Port Sulphur, LA
- Average visibility in January: 6mi
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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