Climate and monthly weather forecast
Geismar, LA

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Weather in January

January, like December, is another mild winter month in Geismar, Louisiana, with an average temperature ranging between min 43.5°F (6.4°C) and max 59.2°F (15.1°C). January, with its high-temperature average of 59.2°F (15.1°C) and a low-temperature average of 43.5°F (6.4°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Geismar, Louisiana, with an average temperature varying between 48.7°F (9.3°C) and 64.6°F (18.1°C). The shift from January to February is marked by a slight increase in the average high-temperature, moving from a refreshing 59.2°F (15.1°C) to a comfortable 64.6°F (18.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in Geismar, Louisiana, with an average temperature varying between 53.6°F (12°C) and 71.8°F (22.1°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's refreshing 64.6°F (18.1°C) to a pleasant 71.8°F (22.1°C). Weather in March »

Weather in April

April in Geismar, Louisiana, is a warm spring month, with an average temperature fluctuating between 58.6°F (14.8°C) and 78.4°F (25.8°C). In Geismar, the average high-temperature in April slightly rises, from an agreeable 71.8°F (22.1°C) in March, to a moderately hot 78.4°F (25.8°C). Weather in April »

Weather in May

May, the last month of the spring in Geismar, is another warm month, with an average temperature ranging between max 84.7°F (29.3°C) and min 66°F (18.9°C). Geismar's weather shows a minor temperature rise with the arrival of May, moving from a moderately hot 78.4°F (25.8°C) in April to a still warm 84.7°F (29.3°C). Weather in May »

Weather in June

June, the first month of the summer in Geismar, is a tropical month, with temperature in the range of an average low of 72.1°F (22.3°C) and an average high of 90.3°F (32.4°C). June marks a minor ascent in the average high-temperature, adjusting from May's moderately hot 84.7°F (29.3°C) to a tropical 90.3°F (32.4°C). Weather in June »

Weather in July

July, the same as June, in Geismar, Louisiana, is a hot summer month, with an average temperature varying between 91°F (32.8°C) and 74.1°F (23.4°C). July, marked by an average high-temperature of 91°F (32.8°C) and a low-temperature of 74.1°F (23.4°C), is the warmest month. The heat index for July is appraised at a burning hot 116.6°F (47°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Geismar, Louisiana, with temperature in the range of an average high of 90.7°F (32.6°C) and an average low of 74.8°F (23.8°C). Geismar experiences a transition to a still hot 90.7°F (32.6°C) in average high-temperatures with the arrival of August, not greatly differing from July's 91°F (32.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Geismar, Louisiana, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 70.5°F (21.4°C). The ushering in of September brings an average high-temperature of a still hot 87.4°F (30.8°C), closely mirroring the 90.7°F (32.6°C) of August. Weather in September »

Weather in October

October, like September, in Geismar, Louisiana, is another warm autumn month, with an average temperature ranging between min 60.6°F (15.9°C) and max 79.7°F (26.5°C). The transition into October is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 87.4°F (30.8°C) in September to a warm 79.7°F (26.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Geismar, Louisiana, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 68.9°F (20.5°C). The decrease of average high-temperatures is mild in November, with a decline from a moderately hot 79.7°F (26.5°C) in October to an agreeable 68.9°F (20.5°C). Weather in November »

Weather in December

December, the first month of the winter in Geismar, is also an enjoyable month, with an average temperature varying between 62.2°F (16.8°C) and 47.7°F (8.7°C). Geismar experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a pleasant 68.9°F (20.5°C) in November to a comfortable 62.2°F (16.8°C). Weather in December »

Frequently asked questions

What time of the year is the coldest in Geismar?

January is the coldest month, with the temperature often reaching an average high of 59.2°F (15.1°C) and an average low of 43.5°F (6.4°C).

How much does it rain?

Throughout the year, in Geismar, there are 151.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

When does it snow?

January is the only month when snow falls.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

How much does it snow?

In Geismar, during the entire year, snow falls for 0.2 days and aggregates up to 0.04" (1mm) of snow.

What is the most humid month?

February and December, with an average relative humidity of 81%, are most humid months.

When it does not snow?

February through December are months without snowfall.

What is the driest month?

The months with the least rainfall are March and November Rain falls for 12.1 days and accumulates 0.98" (25mm) of rain.

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 in Geismar?

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

When are the longest days?

With an average of 14h and 6min of daylight, June has the longest days of the year in Geismar.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 10.6h of sunshine.

What are the warmest months?

In Geismar, the average highest temperatures are observed in July, with a high of 91°F (32.8°C) and a low of 74.1°F (23.4°C).

What is the wettest month?

The month with the most rainfall is July, when the rain falls for 18.9 days and typically aggregates up to 3.03" (77mm) of precipitation.

What is the least humid month?

October is the least humid month, with an average relative humidity of 74%.

What is the month with the shortest days?

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

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.1h of sunshine.

When is the lowest UV index?

December is the month with the lowest UV index in Geismar, with an average maximum UV index of 3.

Average temperature
Geismar, LA

Average temperature - Geismar, LA

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.2°F).

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).

Average pressure
Geismar, LA

Average pressure - Geismar, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed
Geismar, LA

Average wind speed - Geismar, LA

The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity
Geismar, LA

Average humidity - Geismar, LA

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Geismar, LA

Average rainfall - Geismar, LA

The wettest month (with the highest rainfall) is July (3.03").
The driest months (with the least rainfall) are March and November (0.98").

Average rainfall days
Geismar, LA

Average rainfall days - Geismar, LA

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.9 days).

Average snowfall
Geismar, LA

Average snowfall - Geismar, LA

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
Geismar, LA

Average snowfall days - Geismar, LA

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight / Average sunshine
Geismar, LA

Average daylight / Average sunshine - Geismar, 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 month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days
Geismar, LA

Average sunshine days - Geismar, LA

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (9.3 days).

Average visibility
Geismar, LA

Average visibility - Geismar, LA

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

Geismar, Louisiana, USA

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