Climate and monthly weather forecast
Sulphur, IN

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Weather in January

January, like December, in Sulphur, Indiana, is another cold winter month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 25.7°F (-3.5°C). Sulphur's coldest month, January, registers temperatures that range from a high of 38.8°F (3.8°C) to a low of 25.7°F (-3.5°C). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Sulphur, Indiana, with an average temperature ranging between min 29.1°F (-1.6°C) and max 43.9°F (6.6°C). Sulphur records an average high-temperature of a frosty 43.9°F (6.6°C) in February, maintaining a close correlation with January's 38.8°F (3.8°C). Weather in February »

Weather in March

March, the first month of the spring in Sulphur, is a cool month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 54.1°F (12.3°C). As Sulphur transitions into March, the average high-temperature is observed to rise from a chilly 43.9°F (6.6°C) in February to a cool 54.1°F (12.3°C). Weather in March »

Weather in April

April is a refreshing spring month in Sulphur, Indiana, with an average temperature fluctuating between 66°F (18.9°C) and 47.1°F (8.4°C). The arrival of April signals an increase in the average high-temperature, moving from a cool 54.1°F (12.3°C) in March to a comfortable 66°F (18.9°C). Weather in April »

Weather in May

May, the last month of the spring in Sulphur, is a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 75.4°F (24.1°C). May's arrival coincides with a temperature rise, moving from April's enjoyable 66°F (18.9°C) to a moderately hot 75.4°F (24.1°C). Weather in May »

Weather in June

June, the first month of the summer in Sulphur, is still a warm month, with an average temperature ranging between max 83.8°F (28.8°C) and min 63.9°F (17.7°C). June showcases a minor temperature ascent, adjusting from May's moderately hot 75.4°F (24.1°C) to a still warm 83.8°F (28.8°C). Weather in June »

Weather in July

July in Sulphur, Indiana, is a hot summer month, with an average temperature varying between 86.5°F (30.3°C) and 67.1°F (19.5°C). July is the month that records the highest temperatures, with averages ranging from a high of 86.5°F (30.3°C) to a low of 67.1°F (19.5°C). Throughout July, the heat index is evaluated at a torrid 100.4°F (38°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Sulphur, Indiana, with an average temperature varying between 65.5°F (18.6°C) and 85.6°F (29.8°C). The arrival of August brings an average high-temperature of a moderately hot 85.6°F (29.8°C), closely following the temperature pattern of July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Sulphur, Indiana, with an average temperature varying between 79.3°F (26.3°C) and 59.9°F (15.5°C). September marks a gentle change in average high-temperature, declining from August's 85.6°F (29.8°C) to a still warm 79.3°F (26.3°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Sulphur, Indiana, with an average temperature fluctuating between 48°F (8.9°C) and 66.7°F (19.3°C). As October begins, there is a decrease in the average high-temperature, falling from a warm 79.3°F (26.3°C) in September to a comfortable 66.7°F (19.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Sulphur, Indiana, with an average temperature ranging between min 37.6°F (3.1°C) and max 52.9°F (11.6°C). The onset of November brings a small change in high-temperatures, falling from an enjoyable 66.7°F (19.3°C) in October to a cool 52.9°F (11.6°C). Weather in November »

Weather in December

December, the first month of the winter in Sulphur, is also a frosty month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 43.9°F (6.6°C). December comes with a decrease in the average high-temperature, falling from a cool 52.9°F (11.6°C) in November to a chilly 43.9°F (6.6°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Sulphur?

During the coldest month in Sulphur, January, temperatures average a high of 38.8°F (3.8°C) and a low of 25.7°F (-3.5°C).

How much does it rain in Sulphur?

In Sulphur, Indiana, during the entire year, the rain falls for 160 days and collects up to 29.45" (748mm) of precipitation.

When does it snow in Sulphur?

January through April, September through December are months with snowfall in Sulphur.

What is the snowiest month in Sulphur?

January is the month with the most snowfall in Sulphur. Snow falls for 7.6 days and accumulates 2.24" (57mm) of snow.

How much does it snow in Sulphur?

In Sulphur, Indiana, during the entire year, snow falls for 26.8 days and aggregates up to 7.91" (201mm) of snow.

When is the lowest UV index in Sulphur?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month in Sulphur?

The months with the highest humidity are February and December, with an average relative humidity of 80%.

When is Daylight Saving Time (DST) in Sulphur?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest month in Sulphur?

April is the month with the most rainfall in Sulphur. Rain falls for 15 days and accumulates 3.31" (84mm) of precipitation.

When it does not snow in Sulphur?

In Sulphur, Indiana, snow does not fall in May through August.

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

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days in Sulphur?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What time of the year is the hottest in Sulphur?

July, characterized by an average high temperature of 86.5°F (30.3°C) and a low temperature of 67.1°F (19.5°C), is generally the warmest month.

What month has the most sunshine in Sulphur?

The month with the most sunshine in Sulphur, Indiana, is July, with an average of 10.3h of sunshine.

What is the driest month in Sulphur?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.61" (41mm) of precipitation.

What is the least humid month in Sulphur?

The least humid month in Sulphur is October, with an average relative humidity of 74%.

What is the month with the shortest days in Sulphur?

December has the shortest days of the year in Sulphur, Indiana, with an average of 9h and 36min of daylight.

What is the month with the least sunshine in Sulphur?

December has the least sunshine of the year, with an average of 4.4h of sunshine.

Average temperature
Sulphur, IN

Average temperature - Sulphur, IN

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure
Sulphur, IN

Average pressure - Sulphur, IN

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Sulphur, IN

Average wind speed - Sulphur, IN

The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity
Sulphur, IN

Average humidity - Sulphur, IN

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Sulphur, IN

Average rainfall - Sulphur, IN

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days
Sulphur, IN

Average rainfall days - Sulphur, IN

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.8 days).

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Average snowfall
Sulphur, IN

Average snowfall - Sulphur, IN

The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days
Sulphur, IN

Average snowfall days - Sulphur, IN

The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight / Average sunshine
Sulphur, IN

Average daylight / Average sunshine - Sulphur, IN

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days
Sulphur, IN

Average sunshine days - Sulphur, IN

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index
Sulphur, IN

Average UV index - Sulphur, IN

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Sulphur, IN

Average visibility - Sulphur, IN

The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).

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Sulphur, Indiana, USA

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