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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Alto, Louisiana, is another fresh winter month, with an average temperature fluctuating between 53.6°F (12°C) and 39.6°F (4.2°C). Alto's coldest month, January, registers temperatures that range from a high of 53.6°F (12°C) to a low of 39.6°F (4.2°C). Weather in January »
Weather in February
The last month of the winter, February, is a mild month in Alto, Louisiana, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 58.1°F (14.5°C). With the onset of February, the average high-temperature registers at a mild 58.1°F (14.5°C), subtly different from January's 53.6°F (12°C). Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Alto, Louisiana, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 49.6°F (9.8°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's moderate 58.1°F (14.5°C) to an enjoyable 66.4°F (19.1°C). Weather in March »
Weather in April
April is a moderately hot spring month in Alto, Louisiana, with an average temperature varying between 74.8°F (23.8°C) and 56.3°F (13.5°C). The beginning of April signals a minor rise in the average high-temperature, moving from an enjoyable 66.4°F (19.1°C) in March to a warm 74.8°F (23.8°C). Weather in April »
Weather in May
The last month of the spring, May, is also a moderately hot month in Alto, Louisiana, with an average temperature varying between 82.9°F (28.3°C) and 64.9°F (18.3°C). In Alto, the onset of May comes with a modest high-temperature shift, transitioning from April's warm 74.8°F (23.8°C) to a still moderately hot 82.9°F (28.3°C). Weather in May »
Weather in June
June, the first month of the summer in Alto, is a hot month, with an average temperature fluctuating between 71.8°F (22.1°C) and 89.8°F (32.1°C). Observing a minor shift, the average high-temperature during June adjusts from May's moderately hot 82.9°F (28.3°C) to a hot 89.8°F (32.1°C). Weather in June »
Weather in July
July, the same as June, in Alto, Louisiana, is another tropical summer month, with an average temperature ranging between min 73.6°F (23.1°C) and max 91.8°F (33.2°C). July brings the highest temperatures, with an average high of 91.8°F (33.2°C) and an average low of 73.6°F (23.1°C). For July, the heat index is estimated at a blazing hot 114.8°F (46°C). Weather in July »
Weather in August
August, the last month of the summer in Alto, is another tropical month, with an average temperature varying between 73°F (22.8°C) and 91.2°F (32.9°C). During August, Alto observes a subtle ascent to a still hot 91.2°F (32.9°C) from July's 91.8°F (33.2°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 Alto, Louisiana, with an average temperature fluctuating between 68.2°F (20.1°C) and 87.1°F (30.6°C). Alto's September reports an average high-temperature of a still tropical 87.1°F (30.6°C), exhibiting a minor difference from August. Weather in September »
Weather in October
October, like September, in Alto, Louisiana, is another warm autumn month, with an average temperature fluctuating between 57.9°F (14.4°C) and 76.8°F (24.9°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a tropical 87.1°F (30.6°C) in September to a moderately hot 76.8°F (24.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Alto, is another comfortable month, with an average temperature ranging between min 47.8°F (8.8°C) and max 64.6°F (18.1°C). Alto's weather changes with the onset of November, slightly falling from a warm 76.8°F (24.9°C) in October to an enjoyable 64.6°F (18.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a moderate month in Alto, Louisiana, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 43.2°F (6.2°C). December's arrival signals a moderate reduction in the average high-temperature, easing from an enjoyable 64.6°F (18.1°C) in November to a still refreshing 56.3°F (13.5°C). Weather in December »
Updated: Aug 7, 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
What is the coldest time of year in Alto?
January stands out as Alto's coldest month, with temperatures ranging between an average high of 53.6°F (12°C) and a low of 39.6°F (4.2°C).
How many days does it rain?
Throughout the year, there are 156.1 rainfall days, and 36.1" (917mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March.
What is the snowiest month?
The months with the most snowfall are January and February, with an average 0.16" (4mm) of accumulated snow.
How much does it snow?
Throughout the year, there are 1.8 snowfall days, and 0.43" (11mm) of snow is accumulated.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the most humid month?
With an average relative humidity of 81%, February is the most humid month.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.8h of sunshine.
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 is the wettest month?
The month with the most rainfall is April, when the rain falls for 13.9 days and typically aggregates up to 4.06" (103mm) of precipitation.
When it does not snow?
April through December are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 14h and 12min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.5h of sunshine.
When is the highest UV index?
June through August, with an average maximum UV index of 7, are months with the highest UV index.
What are the warmest months?
The warmest temperatures occur during July, when averages reach a peak of 91.8°F (33.2°C) and a low of 73.6°F (23.1°C).
What is the driest month?
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.69" (43mm) of precipitation.
What is the least humid month in Alto?
October is the least humid month, with an average relative humidity of 68%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 10h and 6min of daylight.
Average temperature
Alto, LA
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (53.6°F).
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure
Alto, LA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Alto, LA
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.2mph - Average wind speed in May:
7mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.5mph).
Average humidity
Alto, LA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Alto, LA
- Average rainfall in January:
3.15" - Average rainfall in February:
3.62" - Average rainfall in March:
3.54" - Average rainfall in April:
4.06" - Average rainfall in May:
2.87" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.48" - Average rainfall in September:
1.69" - Average rainfall in October:
3.46" - Average rainfall in November:
2.24" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days
Alto, LA
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
11.9 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
13.3 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (9.3 days).
Average snowfall
Alto, LA
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Alto, LA
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0.3 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:
0.2 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Alto, LA
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 1min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - Average daylight in December:
10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 5min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Alto, LA
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Alto, LA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Alto, LA
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and October (Cloud cover 27).
Average visibility
Alto, LA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Alto, Louisiana, USA
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