Climate and monthly weather forecast
Simmonsville, MS

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Weather in January

January, like December, is another refreshing winter month in Simmonsville, Mississippi, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 56.8°F (13.8°C). The coldest month is January, with an average high-temperature of 56.8°F (13.8°C) and an average low-temperature of 40.3°F (4.6°C). Weather in January »

Weather in February

February, the last month of the winter in Simmonsville, is a comfortable month, with an average temperature fluctuating between 62.2°F (16.8°C) and 45°F (7.2°C). With the onset of February, Simmonsville's average high-temperature sees a modest rise, moving from January's mild 56.8°F (13.8°C) to a still refreshing 62.2°F (16.8°C). Weather in February »

Weather in March

March, the first month of the spring in Simmonsville, is a pleasant month, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 70°F (21.1°C). March signals a minor shift in the average high-temperature, moving from February's refreshing 62.2°F (16.8°C) to a pleasant 70°F (21.1°C). Weather in March »

Weather in April

April in Simmonsville, Mississippi, is a moderately hot spring month, with an average temperature varying between 56.5°F (13.6°C) and 77.7°F (25.4°C). The embrace of April brings a minor uplift in the average high-temperature, shifting from an agreeable 70°F (21.1°C) in March to a moderately hot 77.7°F (25.4°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Simmonsville, Mississippi, with an average temperature ranging between max 84.2°F (29°C) and min 64°F (17.8°C). As May arrives, Simmonsville's weather shows a minor increase in high-temperatures, edging from April's 77.7°F (25.4°C) to a still moderately hot 84.2°F (29°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Simmonsville, Mississippi, with an average temperature fluctuating between 70.9°F (21.6°C) and 90.3°F (32.4°C). As Simmonsville transitions into June, the average high-temperature is observed to slightly rise from a moderately hot 84.2°F (29°C) in May to a tropical 90.3°F (32.4°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Simmonsville, Mississippi, with temperature in the range of an average high of 91°F (32.8°C) and an average low of 72.7°F (22.6°C). In Simmonsville, temperatures reach their average annual highs in July, measuring 91°F (32.8°C) and a minimum average of 72.7°F (22.6°C). The heat index for July is calculated to be a blazing hot 114.8°F (46°C). Weather in July »

Weather in August

August, the last month of the summer in Simmonsville, is also a hot month, with an average temperature ranging between max 90.5°F (32.5°C) and min 72.7°F (22.6°C). The high-temperature average in August for Simmonsville is a still tropical 90.5°F (32.5°C), staying closely aligned with July's conditions. Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Simmonsville, Mississippi, with an average temperature varying between 68.4°F (20.2°C) and 87.1°F (30.6°C). With the onset of September, the average high-temperature registers at a still hot 87.1°F (30.6°C), subtly different from August's 90.5°F (32.5°C). Weather in September »

Weather in October

October, like September, in Simmonsville, Mississippi, is another warm autumn month, with an average temperature ranging between min 58.1°F (14.5°C) and max 78.4°F (25.8°C). October ushers in a minor alteration in Simmonsville's climate, with the average high-temperature moving from September's hot 87.1°F (30.6°C) to a warm 78.4°F (25.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Simmonsville, is also an enjoyable month, with an average temperature ranging between min 48°F (8.9°C) and max 66.6°F (19.2°C). November brings a decrease in the average high-temperature, shifting from a moderately hot 78.4°F (25.8°C) in October to a comfortable 66.6°F (19.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Simmonsville, Mississippi, with an average temperature fluctuating between 44.6°F (7°C) and 59.7°F (15.4°C). Simmonsville, Mississippi, observes a small decrease in the average high-temperature with the arrival of December, falling from November's enjoyable 66.6°F (19.2°C) to a mild 59.7°F (15.4°C). Weather in December »
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Simmonsville, the average lowest temperatures are observed in January, with a high of 56.8°F (13.8°C) and a low of 40.3°F (4.6°C).

How many days does it rain?

In Simmonsville, during the entire year, the rain falls for 174 days and collects up to 34.29" (871mm) of precipitation.

When does it snow?

January through March and December are months with snowfall in Simmonsville.

When does it snow the most?

The months with the most snowfall are January and December, with an average 0.24" (6mm) of accumulated snow.

How much does it snow?

In Simmonsville, during the entire year, snow falls for 1.3 days and aggregates up to 0.59" (15mm) of snow.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the month with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

When is Daylight Saving Time (DST)?

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

When it does not snow?

April through November are months without snowfall in Simmonsville.

When are the longest days?

The month with the longest days is June, with an average of 14h and 6min of daylight.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 10.5h of sunshine.

When is the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What part of the year is the hottest?

July, with average temperatures reaching a high of 91°F (32.8°C) and a low of 72.7°F (22.6°C), is the warmest month.

What is the wettest month in Simmonsville?

August is the month with the most rainfall in Simmonsville. Rain falls for 20.3 days and accumulates 4.13" (105mm) of precipitation.

What is the least humid month?

October is the least humid month, with an average relative humidity of 71%.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 9 days and typically collects 1.93" (49mm) of precipitation.

What is the most humid month?

With an average relative humidity of 81%, December is the most humid month.

What is the month with the shortest days?

With an average of 10h and 12min of daylight, December has the shortest days of the year.

Average temperature
Simmonsville, MS

Average temperature - Simmonsville, MS

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.8°F).

The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure
Simmonsville, MS

Average pressure - Simmonsville, MS

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed
Simmonsville, MS

Average wind speed - Simmonsville, MS

The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity
Simmonsville, MS

Average humidity - Simmonsville, MS

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Simmonsville, MS

Average rainfall - Simmonsville, MS

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days
Simmonsville, MS

Average rainfall days - Simmonsville, MS

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9 days).

Average snowfall
Simmonsville, MS

Average snowfall - Simmonsville, MS

The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Simmonsville, MS

Average snowfall days - Simmonsville, MS

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Simmonsville, MS

Average daylight / Average sunshine - Simmonsville, MS

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days
Simmonsville, MS

Average sunshine days - Simmonsville, MS

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.5 days).

Average UV index
Simmonsville, MS

Average UV index - Simmonsville, MS

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average visibility
Simmonsville, MS

Average visibility - Simmonsville, MS

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

Simmonsville, Mississippi, USA

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