Donaldsonville, LA Climate


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Donaldsonville, LA has a humid subtropical climate with hot and humid summers and mild to cool winters. The average annual temperature is 68°F (20°C), with July being the hottest month at an average of 84°F (29°C) and January being the coldest at an average of 54°F (12°C). The city experiences abundant rainfall throughout the year, with August being the wettest month on average. Snowfall is uncommon in Donaldsonville, but a few snow showers have been reported on occasion.

Donaldsonville, Louisiana gets 62 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Donaldsonville averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 216 sunny days per year in Donaldsonville. The US average is 205 sunny days.

Donaldsonville gets some kind of precipitation, on average, 106 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 91 degrees
Winter Low: the January low is 41
Rain: averages 62 inches of rain a year
Snow: averages 0 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Donaldsonville is 6.9 (10=best), which means it is more comfortable than most places in Louisiana.

3.1 Summer - 7.9 Winter
October, April and November are the most pleasant months in Donaldsonville, while July and August are the least comfortable months.

  ClimateDonaldsonville, LouisianaUnited States
  62.3 in.38.1 in.
  0.1 in.27.8 in.
  106.1 days106.2 days
  216 days205 days
  91.0°85.8°
  40.8°21.7°
  6.97
  5.84.3
  23 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Donaldsonville with an average high temperature of 91.3°, which ranks it as cooler than most places in Louisiana. In Donaldsonville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Donaldsonville are April, October and March.
In Donaldsonville, there are 73.2 days annually when the high temperature is over 90°, which is cooler than most places in Louisiana.
January has the coldest nighttime temperatures for Donaldsonville with an average of 40.8°. This is warmer than most places in Louisiana.
In Donaldsonville, there are 14.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Louisiana.
In Donaldsonville, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Louisiana.
Humidity in Donaldsonville can be stifling in the summer, but pleasant for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from May-September and the least humid months are October-April.
June is the wettest month in Donaldsonville with 7.3 inches of rain, and the driest month is November with 4.3 inches. The wettest season is Autumn with 31% of yearly precipitation and 22% occurs in Summer, which is the driest season. The annual rainfall of 62.3 inches in Donaldsonville means that it is wetter than most places in Louisiana.
July is the rainiest month in Donaldsonville with 12.2 days of rain, and April is the driest month with only 6.2 rainy days. There are 106.1 rainy days annually in Donaldsonville, which is rainier than most places in Louisiana. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 20% chance of a rainy day.
An annual snowfall of 0.1 inches in Donaldsonville means that it is snowier than most places in Louisiana. December is the snowiest month in Donaldsonville with 0.0 inches of snow, and no months of the year have significant snowfall.
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