Climate and monthly weather forecast
Simpson, LA

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Weather in January

January, the same as December, in Simpson, Louisiana, is another refreshing winter month, with an average temperature varying between 41°F (5°C) and 56.8°F (13.8°C). In Simpson, the lowest average temperatures are observed in January, with a high of 56.8°F (13.8°C) and a low of 41°F (5°C). Weather in January »

Weather in February

The last month of the winter, February, is a refreshing month in Simpson, Louisiana, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 61.2°F (16.2°C). February's arrival brings an average high-temperature of an enjoyable 61.2°F (16.2°C), slightly deviating from January's 56.8°F (13.8°C). Weather in February »

Weather in March

March, the first month of the spring in Simpson, is an agreeable month, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 51.4°F (10.8°C). A minor escalation in the average high-temperature is seen with the onset of March, moving from a comfortable 61.2°F (16.2°C) in February to an agreeable 69.8°F (21°C). Weather in March »

Weather in April

April in Simpson, Louisiana, is a warm spring month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 77.5°F (25.3°C). April witnesses a minor rise in the average high-temperature, transitioning from an agreeable 69.8°F (21°C) in March to a warm 77.5°F (25.3°C). Weather in April »

Weather in May

May, the last month of the spring in Simpson, is another warm month, with an average temperature ranging between max 85.1°F (29.5°C) and min 64.9°F (18.3°C). The shift from April to May introduces a subtle increase in the average high-temperature, moving from 77.5°F (25.3°C) to a still moderately hot 85.1°F (29.5°C). Weather in May »

Weather in June

June, the first month of the summer in Simpson, is a tropical month, with an average temperature ranging between max 91.4°F (33°C) and min 71.2°F (21.8°C). With the onset of June, Simpson experiences a subtle temperature shift, with the average high-temperature moving from a moderately hot 85.1°F (29.5°C) in May to a tropical 91.4°F (33°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Simpson, Louisiana, with an average temperature ranging between min 73°F (22.8°C) and max 93.9°F (34.4°C). Simpson notes the warmest temperatures in July, with a high average of 93.9°F (34.4°C) and a low of 73°F (22.8°C). July's average heat index is evaluated at a burning hot 122°F (50°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Simpson, Louisiana, with an average temperature fluctuating between 73.2°F (22.9°C) and 93.7°F (34.3°C). The transition into August shows a subtle variation to a still hot 93.7°F (34.3°C) from July's 93.9°F (34.4°C) in the average high-temperature. Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Simpson, Louisiana, with an average temperature varying between 88.7°F (31.5°C) and 68.7°F (20.4°C). The shift into September reveals an average high-temperature of a still tropical 88.7°F (31.5°C), closely mirroring August's climate. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Simpson, Louisiana, with an average temperature ranging between min 58.5°F (14.7°C) and max 78.8°F (26°C). With October's arrival, Simpson, Louisiana, sees a decrease in average high-temperatures, moving from a hot 88.7°F (31.5°C) in September to a moderately hot 78.8°F (26°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Simpson, Louisiana, with an average temperature varying between 66.7°F (19.3°C) and 48.9°F (9.4°C). November indicates a shift in the average high-temperature, from October's moderately hot 78.8°F (26°C) to a comfortable 66.7°F (19.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Simpson, Louisiana, with an average temperature ranging between max 59°F (15°C) and min 44.2°F (6.8°C). The beginning of December brings a minor change in the average high-temperature, shifting from an enjoyable 66.7°F (19.3°C) in November to a moderate 59°F (15°C). Weather in December »

Frequently asked questions

What month is the coldest in Simpson?

January is the month when Simpson sees the average lowest temperatures, with a high of 56.8°F (13.8°C) and a low of 41°F (5°C).

How many days does it rain in Simpson?

In Simpson, during the entire year, the rain falls for 156.9 days and collects up to 25.98" (660mm) of precipitation.

When does it snow?

Months with snowfall are January, February and December.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 0.5 days and accumulates 0.51" (13mm) of snow.

How much does it snow?

In Simpson, during the entire year, snow falls for 1.4 days and aggregates up to 0.71" (18mm) of snow.

When is the lowest UV index in Simpson?

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

What is the most humid month in Simpson?

With an average relative humidity of 82%, February is the most humid month.

When it does not snow?

March through November are months without snowfall in Simpson.

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.

What are the months with the highest UV index?

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

When are the longest days?

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

What is the month with the most sunshine?

June and July, with an average of 10.1h of sunshine, are months with the most sunshine.

What is the hottest time of year?

The average temperatures reach their apex in July, averaging 93.9°F (34.4°C) at the high end and 73°F (22.8°C) at the low end.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 18.8 days and accumulates 3.82" (97mm) of precipitation.

What is the least humid month?

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

What is the driest month?

November is the month with the least rainfall. Rain falls for 8.2 days and accumulates 1.34" (34mm) of precipitation.

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.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.9h of sunshine.

Average temperature
Simpson, LA

Average temperature - Simpson, LA

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (56.8°F).

The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41°F).

Average pressure
Simpson, LA

Average pressure - Simpson, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Simpson, LA

Average wind speed - Simpson, LA

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity
Simpson, LA

Average humidity - Simpson, LA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Simpson, LA

Average rainfall - Simpson, LA

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is November (1.34").

Average rainfall days
Simpson, LA

Average rainfall days - Simpson, LA

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (8.2 days).

Average snowfall
Simpson, LA

Average snowfall - Simpson, LA

The month with the highest snowfall is January (0.51").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days
Simpson, LA

Average snowfall days - Simpson, LA

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 and October (0 days).

Average daylight / Average sunshine
Simpson, LA

Average daylight / Average sunshine - Simpson, LA

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 months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days
Simpson, LA

Average sunshine days - Simpson, LA

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is August (9.8 days).

Average UV index
Simpson, LA

Average UV index - Simpson, LA

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

Average visibility
Simpson, LA

Average visibility - Simpson, LA

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).

Simpson, Louisiana, USA

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