Climate and monthly weather forecastDonaldsonville, LA
Climate and monthly weather forecast
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 »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
In Donaldsonville, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.
January is the only month when snow falls in Donaldsonville.
January is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.16" (4mm) of snow.
In Donaldsonville, Louisiana, during the entire year, snow falls for 0.3 days and aggregates up to 0.16" (4mm) of snow.
February, September and December, with an average relative humidity of 80%, are most humid months in Donaldsonville.
In Donaldsonville, snow does not fall in February through December.
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.
June has the longest days of the year, with an average of 14h and 6min of daylight.
With an average of 10.4h of sunshine, June has the most sunshine of the year.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
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.
July is the month with the most rainfall. Rain falls for 21.3 days and accumulates 4.25" (108mm) of precipitation.
October is the least humid month, with an average relative humidity of 74%.
The month with the least rainfall is November, when the rain falls for 8.1 days and typically collects 1.18" (30mm) of precipitation.
With an average of 10h and 12min of daylight, December has the shortest days of the year.
With an average of 5h of sunshine, December has the least sunshine of the year.
The month with the lowest UV index is December, with an average maximum UV index of 3.
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 in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
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 in January:
7.1mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.9mph
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
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 in January:
1.69" - Average rainfall in February:
1.69" - Average rainfall in March:
1.38" - Average rainfall in April:
2.13" - Average rainfall in May:
2.44" - Average rainfall in June:
2.32"
- Average rainfall in July:
4.25" - Average rainfall in August:
3.62" - Average rainfall in September:
2.01" - Average rainfall in October:
2.17" - Average rainfall in November:
1.18" - Average rainfall in December:
2.05"
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 in January:
9.3 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
21 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
12.5 days
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
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 in January:
0.2 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
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 in January:
10h and 30min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 42min - Average daylight in June:
14h and 6min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 12min
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).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 12min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 42min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 0min
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 in January:
19.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
16.9 days - Average sunshine days in May:
15 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
7.3 days - Average sunshine days in August:
7.9 days - Average sunshine days in September:
9.9 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
16.3 days
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 UV index
Donaldsonville, LA
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Donaldsonville, LA
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
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).
