Climate and monthly weather forecast
Donaldsonville, LA

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Weather in January

January, the same as December, in Donaldsonville, Louisiana, is a moderate winter month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 60.1°F (15.6°C). The coldest temperatures occur during January, when averages reach a peak of 60.1°F (15.6°C) and a low of 44.2°F (6.8°C). Weather in January »

Weather in February

The last month of the winter, February, is a refreshing month in Donaldsonville, Louisiana, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 64.9°F (18.3°C). Donaldsonville measures an average high-temperature of an enjoyable 64.9°F (18.3°C) in February, nearly consistent with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Donaldsonville, Louisiana, with an average temperature fluctuating between 72.3°F (22.4°C) and 53.8°F (12.1°C). March's onset brings a minor rise in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) in February to a pleasant 72.3°F (22.4°C). Weather in March »

Weather in April

April is a warm spring month in Donaldsonville, Louisiana, with an average temperature varying between 59.4°F (15.2°C) and 78.6°F (25.9°C). With the onset of April, the average high-temperature subtly transitions from an agreeable 72.3°F (22.4°C) in March to a warm 78.6°F (25.9°C). Weather in April »

Weather in May

May, the last month of the spring in Donaldsonville, is also a moderately hot month, with an average temperature varying between 66.2°F (19°C) and 84.7°F (29.3°C). May signals a minor shift in the average high-temperature, moving from April's moderately hot 78.6°F (25.9°C) to a still warm 84.7°F (29.3°C). Weather in May »

Weather in June

June, the first month of the summer in Donaldsonville, is a tropical month, with temperature in the range of an average high of 89.6°F (32°C) and an average low of 72.5°F (22.5°C). Donaldsonville registers an average high-temperature of a hot 89.6°F (32°C) with the arrival of June, showing minor deviation from the preceding month. Weather in June »

Weather in July

July, like June, is a hot summer month in Donaldsonville, Louisiana, with temperature in the range of an average low of 74.1°F (23.4°C) and an average high of 90.3°F (32.4°C). July stands out as Donaldsonville's warmest month, with temperatures ranging between an average high of 90.3°F (32.4°C) and a low of 74.1°F (23.4°C). The heat index in July is appraised at a blazing hot 113°F (45°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Donaldsonville, Louisiana, with an average temperature ranging between min 74.8°F (23.8°C) and max 90.1°F (32.3°C). As Donaldsonville steps into August, the average high-temperature holds at a still tropical 90.1°F (32.3°C), hinting at a minor fluctuation from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in Donaldsonville, is also a hot month, with an average temperature varying between 87.3°F (30.7°C) and 70.5°F (21.4°C). September's climate shows a minor adjustment in average high-temperatures to a still hot 87.3°F (30.7°C) from August's 90.1°F (32.3°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Donaldsonville, Louisiana, with an average temperature ranging between min 61°F (16.1°C) and max 79.7°F (26.5°C). October is marked by a subtle drop in average high-temperatures, transitioning from a hot 87.3°F (30.7°C) in September to a warm 79.7°F (26.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Donaldsonville, is also an agreeable month, with an average temperature varying between 51.4°F (10.8°C) and 68.9°F (20.5°C). November indicates a shift in the average high-temperature, from October's moderately hot 79.7°F (26.5°C) to a pleasant 68.9°F (20.5°C). Weather in November »

Weather in December

December, the first month of the winter in Donaldsonville, is still a comfortable month, with an average temperature fluctuating between 48°F (8.9°C) and 62.6°F (17°C). Donaldsonville's progression into December involves a gentle drop in the average high-temperature, from a pleasant 68.9°F (20.5°C) in November to an enjoyable 62.6°F (17°C). Weather in December »

Frequently asked questions

What is the coldest month?

The month of January sees the average lowest temperatures, reaching 60.1°F (15.6°C) at the peak and 44.2°F (6.8°C) at the low.

How much does it rain?

In Donaldsonville, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.

When does it snow in Donaldsonville?

January is the only month when snow falls in Donaldsonville.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.16" (4mm) of snow.

How many days does it snow?

In Donaldsonville, Louisiana, during the entire year, snow falls for 0.3 days and aggregates up to 0.16" (4mm) of snow.

What are the most humid months?

February, September and December, with an average relative humidity of 80%, are most humid months in Donaldsonville.

When it does not snow?

In Donaldsonville, snow does not fall in February through December.

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 are the longest days?

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

What month has the most sunshine?

With an average of 10.4h of sunshine, June has the most sunshine of the year.

What is the month with the highest UV index?

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

What part of the year is the hottest in Donaldsonville?

July, with its average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 74.1°F (23.4°C), holds the record as the warmest month.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 21.3 days and accumulates 4.25" (108mm) of precipitation.

What is the least humid month?

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

What is the driest month?

The month with the least rainfall is November, when the rain falls for 8.1 days and typically collects 1.18" (30mm) 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?

With an average of 5h of sunshine, December has the least sunshine of the year.

What is the month with the lowest UV index?

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

Average temperature
Donaldsonville, LA

Average temperature - Donaldsonville, LA

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°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 (44.2°F).

Average pressure
Donaldsonville, LA

Average pressure - Donaldsonville, LA

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

Average wind speed
Donaldsonville, LA

Average wind speed - Donaldsonville, LA

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity
Donaldsonville, LA

Average humidity - Donaldsonville, LA

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

Average rainfall
Donaldsonville, LA

Average rainfall - Donaldsonville, LA

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days
Donaldsonville, LA

Average rainfall days - Donaldsonville, LA

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall
Donaldsonville, LA

Average snowfall - Donaldsonville, LA

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
Donaldsonville, LA

Average snowfall days - Donaldsonville, 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 and November (0 days).

Average daylight / Average sunshine
Donaldsonville, LA

Average daylight / Average sunshine - Donaldsonville, 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 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days
Donaldsonville, LA

Average sunshine days - Donaldsonville, LA

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

Average visibility
Donaldsonville, LA

Average visibility - Donaldsonville, LA

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

Donaldsonville, Louisiana, USA

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