Climate and monthly weather forecast
Sulphur, OK

Weather in January

January, the same as December, is another fresh winter month in Sulphur, Oklahoma, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 33.4°F (0.8°C). The coldest month is January, with an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 33.4°F (0.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a fresh month in Sulphur, Oklahoma, with an average temperature ranging between min 37°F (2.8°C) and max 53.2°F (11.8°C). In Sulphur, Oklahoma, the average high-temperature in February is relatively the same as in January - a still cool 53.2°F (11.8°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Sulphur, Oklahoma, with an average temperature ranging between max 63.3°F (17.4°C) and min 46°F (7.8°C). In Sulphur, the average high-temperature in March increases from a fresh 53.2°F (11.8°C) in February to a comfortable 63.3°F (17.4°C). Weather in March »

Weather in April

April in Sulphur, Oklahoma, is a pleasant spring month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 71.1°F (21.7°C). In April, the average high-temperature slightly increases from a comfortable 63.3°F (17.4°C) in March to a pleasant 71.1°F (21.7°C). Weather in April »

Weather in May

May, the last month of the spring in Sulphur, is a warm month, with an average temperature varying between 60.3°F (15.7°C) and 77.5°F (25.3°C). In Sulphur, the average high-temperature in May marginally rises from an agreeable 71.1°F (21.7°C) in April to a warm 77.5°F (25.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Sulphur, Oklahoma, with an average temperature varying between 69.8°F (21°C) and 87.1°F (30.6°C). In Sulphur, the average high-temperature in June rises from a moderately hot 77.5°F (25.3°C) in May to a hot 87.1°F (30.6°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Sulphur, Oklahoma, with an average temperature fluctuating between 92.1°F (33.4°C) and 72.7°F (22.6°C). In Sulphur, the average high-temperature in July is almost the same as in June - a still hot 92.1°F (33.4°C). Weather in July »

Weather in August

August, the last month of the summer in Sulphur, is another hot month, with an average temperature ranging between min 72.1°F (22.3°C) and max 93.4°F (34.1°C). With an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 72.1°F (22.3°C), August is the warmest month. The average heat index in August is calculated to be an extremely hot 109.2°F (42.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Sulphur, Oklahoma, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 66°F (18.9°C). In Sulphur, the average high-temperature in September slightly decreases from a tropical 93.4°F (34.1°C) in August to a moderately hot 84.6°F (29.2°C). Weather in September »

Weather in October

October, the same as September, in Sulphur, Oklahoma, is another pleasant autumn month, with an average temperature fluctuating between 72.3°F (22.4°C) and 54.1°F (12.3°C). In October, the average high-temperature drops from a warm 84.6°F (29.2°C) in September to a pleasant 72.3°F (22.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Sulphur, is another mild month, with an average temperature fluctuating between 60.6°F (15.9°C) and 43.7°F (6.5°C). In November, the average high-temperature drops from an agreeable 72.3°F (22.4°C) in October to a moderate 60.6°F (15.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Sulphur, Oklahoma, with an average temperature ranging between min 36.3°F (2.4°C) and max 50.5°F (10.3°C). In December, the average high-temperature decreases from a mild 60.6°F (15.9°C) in November to a fresh 50.5°F (10.3°C). Weather in December »
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FAQ

What is the coldest month in Sulphur?

The coldest month in Sulphur is January, with an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 33.4°F (0.8°C).

What is the driest month in Sulphur?

The month with the least rainfall in Sulphur, Oklahoma, is January, when the rain falls for 6.3 days and typically collects 1.34" (34mm) of precipitation.

How much does it rain in Sulphur?

Throughout the year, there are 129 rainfall days, and 27.91" (709mm) of precipitation is accumulated.

When does it snow in Sulphur?

Months with snowfall in Sulphur, Oklahoma, are January through April, November and December.

How many days does it snow in Sulphur?

In Sulphur, Oklahoma, during the entire year, snow falls for 5.3 days and aggregates up to 2.6" (66mm) of snow.

When does it snow the most in Sulphur?

February is the month with the most snowfall. Snow falls for 2 days and accumulates 1.3" (33mm) of snow.

When is Daylight Saving Time (DST) in Sulphur?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month in Sulphur?

The most humid month is May, with an average relative humidity of 78%.

What is the rainiest month in Sulphur?

May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 4.37" (111mm) of precipitation.

When it does not snow in Sulphur?

In Sulphur, snow does not fall in May through October.

When are the longest days in Sulphur?

June has the longest days of the year in Sulphur, with an average of 14h and 26min of daylight.

What are the months with the highest UV index in Sulphur?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What month has the most sunshine in Sulphur?

With an average of 10.9h of sunshine, July has the most sunshine of the year.

What is the warmest month in Sulphur?

The warmest month in Sulphur, Oklahoma, is August, with an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 72.1°F (22.3°C).

What is the least humid month in Sulphur?

The least humid month in Sulphur, Oklahoma, is August, with an average relative humidity of 61%.

What is the month with the shortest days in Sulphur?

With an average of 9h and 53min of daylight, December has the shortest days of the year in Sulphur.

What is the month with the least sunshine in Sulphur?

The month with the least sunshine is December, with an average of 5.5h of sunshine.

What is the month with the lowest UV index in Sulphur?

The month with the lowest UV index in Sulphur, Oklahoma, is December, with an average maximum UV index of 2.

Average temperature
Sulphur, OK

Average temperature - Sulphur, OK

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.2°F).

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure
Sulphur, OK

Average pressure - Sulphur, OK

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed
Sulphur, OK

Average wind speed - Sulphur, OK

The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average rainfall
Sulphur, OK

Average rainfall - Sulphur, OK

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days
Sulphur, OK

Average rainfall days - Sulphur, OK

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall
Sulphur, OK

Average snowfall - Sulphur, OK

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Sulphur, OK

Average snowfall days - Sulphur, OK

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Sulphur, OK

Average daylight / Average sunshine - Sulphur, OK

The month with the longest days is June (Average daylight: 14h and 26min).
The month with the shortest days is December (Average daylight: 9h and 53min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days
Sulphur, OK

Average sunshine days - Sulphur, OK

The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (14.3 days).

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Average visibility
Sulphur, OK

Average visibility - Sulphur, OK

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).

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