The best times to visit Sulphur for ideal weather are
March 26th to May 27th
September 10th to October 28th
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 drastically. Considering humidity, temperatures feel very nice much of the year, but hot in the summer and cold in the winter with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 52nd 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 July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 98°F (36.7°C) with temperatures rarely dropping below 72.6°F (22.6°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 January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 0 days of significant precipitation the week of December 24th.
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 August (61.6% relative humidity), and the most humid month is May (72.4%).
Wind in Sulphur is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 7 knots (8.1 MPH or 13 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 early April where average top sustained speeds reach 15.6 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||5.4||Light breeze||12.9||Significant breeze|
|Feb||6.4||Light breeze||13.9||Significant breeze|
|Mar||7||Gentle breeze||14.2||Significant breeze|
|Apr||7||Gentle breeze||14.8||Significant breeze|
|May||5.8||Light breeze||12.8||Significant breeze|
|Jun||5.4||Light breeze||12.2||Significant breeze|
|Jul||3.8||Barely noticeable||9.9||Significant breeze|
|Aug||3.7||Barely noticeable||10||Gentle breeze|
|Sep||4||Light breeze||10||Significant breeze|
|Oct||4.5||Light breeze||11.4||Significant breeze|
|Nov||5.6||Light breeze||13||Significant breeze|
|Dec||5.5||Light breeze||12.2||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, OK, US is March, followed by May and July. 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 January. 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 moderate. Highs range from 87.6°F (30.9°C) and 59.3°F (15.2°C) with warmer temperatures in the later months. Rain is nonexistent with roughly 0 days of significant precipitation per month. Spring is the 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 the least precipitation with about 0 days of precipitation per month. June – August is the second busiest season for tourism in Sulphur, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 90.4°F (32.4°C) and 59.6°F (15.3°C), which will feel comfortable given the humidity and wind. It rains or snows a trivial amount: approximately 0 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 60.6°F (15.9°C) and 51.1°F (10.6°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the slowest with tourists.