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.



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)


“Feels-Like” Temperatures

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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 62.8 51.5 42.6
Feb 65.5 54.8 46.5
Mar 72.9 62.4 53.5
Apr 78.9 69.2 60.5
May 85.7 76.4 68.1
Jun 91.9 82.4 74.3
Jul 92.3 82.4 74.6
Aug 93.6 83.5 75.4
Sep 89.4 79 70.9
Oct 82.8 70.3 59.8
Nov 72.7 60.8 51.1
Dec 66.5 55.4 46.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 17.1 10.8 5.9
Feb 18.6 12.7 8.1
Mar 22.7 16.9 11.9
Apr 26.1 20.7 15.8
May 29.8 24.7 20.1
Jun 33.3 28 23.5
Jul 33.5 28 23.7
Aug 34.2 28.6 24.1
Sep 31.9 26.1 21.6
Oct 28.2 21.3 15.4
Nov 22.6 16 10.6
Dec 19.2 13 8.3



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.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Sulphur (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 6% 0 1.3
Feb 7% 0 1
Mar 4% 0 0.6
Apr 5% 0 1
May 5% 0 2.4
Jun 9% 0 1.4
Jul 2% 0 0.3
Aug 10% 0 1.6
Sep 10% 0 2.3
Oct 5% 0 1.3
Nov 8% 0 2.5
Dec 9% 0 1.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 6 0 3.3
Feb 7 0 2.5
Mar 4 0 1.5
Apr 5 0 2.5
May 5 0 6.1
Jun 9 0 3.6
Jul 2 0 0.8
Aug 10 0 4.1
Sep 10 0 5.8
Oct 5 0 3.3
Nov 8 0 6.4
Dec 9 0 3.6


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.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

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
Jan 69.7%
Feb 73%
Mar 70.9%
Apr 69.9%
May 71.3%
Jun 71.6%
Jul 73.4%
Aug 72.9%
Sep 71.3%
Oct 65.9%
Nov 68.8%
Dec 74.2%


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

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 65.8 in December means 65.8% of the tourists vs. June.



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.


Best Times to Travelthe United States › Sulphur, LA, US