The best times to visit Sulphur for ideal weather are
February 19th to May 6th
October 1st to December 2nd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Sulphur Travel Guide
Other Sulphur Travel Info
Weather in Sulphur
Average temperatures in Sulphur vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a very low chance of precipitation throughout the year. The area is somewhat temperate — in the 54th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Sulphur, the hottest months are August, June, and then July. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 95.4°F (35.2°C) with temperatures rarely dropping below 76.7°F (24.8°C) at night.
Sulphur Temperatures (Fahrenheit)
Sulphur Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Sulphur Perceived Temperature (F)
Sulphur Perceived Temperature (C)
Average Sulphur Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sulphur are July, March, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid August with an average of 2 days of significant precipitation the week of August 13th.
When can you find snow in Sulphur? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Sulphur.
Snow on the Ground
The graph below shows the average snow on the ground in Sulphur (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Sulphur has some very humid months, and above average humidity throughout the year. The least humid month is October (65.9% relative humidity), and the most humid month is December (74.2%).
Wind in Sulphur is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 7.7 knots (8.8 MPH or 14.2 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late April where average top sustained speeds reach 16 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Sulphur.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||6.4||Light breeze||13.7||Significant breeze|
|Feb||7||Gentle breeze||14.5||Significant breeze|
|Mar||7||Gentle breeze||14.6||Significant breeze|
|Apr||7.7||Gentle breeze||15.3||Significant breeze|
|May||6.9||Light breeze||14.2||Significant breeze|
|Jun||5.1||Light breeze||12.9||Significant breeze|
|Jul||4.1||Light breeze||11.8||Significant breeze|
|Aug||3.8||Barely noticeable||11.7||Significant breeze|
|Sep||4.3||Light breeze||11.4||Significant breeze|
|Oct||5.1||Light breeze||11.9||Significant breeze|
|Nov||5.8||Light breeze||12.4||Significant breeze|
|Dec||6.4||Light breeze||13.3||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Sulphur?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Sulphur, LA, US is June, followed by July and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Sulphur in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Sulphur Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 89.4°F (31.9°C) and 68.3°F (20.2°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 1 to 3 days of precipitation per month. June – August is the busiest season for tourism in Sulphur, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 90.4°F (32.4°C) and 69°F (20.6°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 to 3 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is too cold this time of year in Sulphur to be enjoyable for warm weather travelers. The average high during this season is between 69.1°F (20.6°C) and 60.3°F (15.7°C). On average, it rains or snows a smalll amount: 2 to 3 times per month. These times of year are the slowest with tourists.