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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, the same as December, is a cool winter month in Castor, Louisiana, with an average temperature fluctuating between 38.5°F (3.6°C) and 54.1°F (12.3°C). Castor's temperature records reveal January as the coldest month, marked by average highs of 54.1°F (12.3°C) and lows of 38.5°F (3.6°C). Weather in January »
Weather in February
February, the last month of the winter in Castor, is a moderate month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 58.5°F (14.7°C). Castor's entry into February measures an average high-temperature of a moderate 58.5°F (14.7°C), closely parallel to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Castor, Louisiana, with temperature in the range of an average high of 67.3°F (19.6°C) and an average low of 49.1°F (9.5°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a mild 58.5°F (14.7°C) to an enjoyable 67.3°F (19.6°C). Weather in March »
Weather in April
April in Castor, Louisiana, is a moderately hot spring month, with an average temperature varying between 76.3°F (24.6°C) and 54.9°F (12.7°C). The onset of April brings a temperature shift, with the average high-temperature moving from a comfortable 67.3°F (19.6°C) in March to a warm 76.3°F (24.6°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Castor, Louisiana, with an average temperature fluctuating between 84.7°F (29.3°C) and 63.3°F (17.4°C). With the beginning of May, Castor's average high-temperature sees a minor increase, transitioning from a moderately hot 76.3°F (24.6°C) in April to a still warm 84.7°F (29.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Castor, Louisiana, with an average temperature varying between 92.1°F (33.4°C) and 70.9°F (21.6°C). In Castor, stepping into June brings a gentle temperature nudge, moving slightly up from May's warm 84.7°F (29.3°C) to a tropical 92.1°F (33.4°C). Weather in June »
Weather in July
July, the same as June, in Castor, Louisiana, is a hot summer month, with an average temperature fluctuating between 73.2°F (22.9°C) and 94.6°F (34.8°C). Temperatures reach their maximum during July and August, recording an average high-temperature of 94.6°F (34.8°C). The average heat index in July is computed to be a life-threatening hot 122°F (50°C). Weather in July »
Weather in August
August, the last month of the summer in Castor, is another tropical month, with temperature in the range of an average high of 94.6°F (34.8°C) and an average low of 72.9°F (22.7°C). The warmest period falls in July and August, when the average high-temperature reaches 94.6°F (34.8°C). For most parts of August, the heat index is computed to be a blazing hot 120.2°F (49°C). Weather in August »
Weather in September
September, the first month of the autumn in Castor, is also a hot month, with an average temperature ranging between min 67.3°F (19.6°C) and max 88.5°F (31.4°C). The shift from August to September includes a small decrease in the average high-temperature, from a hot 94.6°F (34.8°C) to a still tropical 88.5°F (31.4°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Castor, Louisiana, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 77.9°F (25.5°C). October brings a decrease in the average high-temperature, shifting from a hot 88.5°F (31.4°C) in September to a moderately hot 77.9°F (25.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Castor, Louisiana, with an average temperature fluctuating between 64.6°F (18.1°C) and 46.9°F (8.3°C). With the onset of November, Castor's average high-temperature adjusts, receding from October's moderately hot 77.9°F (25.5°C) 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 Castor, Louisiana, with an average temperature fluctuating between 56.5°F (13.6°C) and 42.1°F (5.6°C). The move into December indicates a slight reduction in the average high-temperature, down from November's comfortable 64.6°F (18.1°C) to a still refreshing 56.5°F (13.6°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
What part of the year is the coldest?
January, having an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 38.5°F (3.6°C), is the coldest month.
How many days does it rain?
Throughout the year, there are 158.9 rainfall days, and 39.17" (995mm) of precipitation is accumulated.
When does it snow?
January through March and December are months with snowfall.
How many days does it snow in Castor?
Throughout the year, there are 3.2 snowfall days, and 0.94" (24mm) 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?
February is the most humid month, with an average relative humidity of 82%.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 1.1 days and typically aggregates up to 0.47" (12mm) of snow.
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 it does not snow?
In Castor, Louisiana, snow does not fall in April through November.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 4.17" (106mm) of precipitation.
When are the longest days?
With an average of 14h and 12min of daylight, June has the longest days 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?
Castor's warmest season falls during July and August, averaging a high-temperature of 94.6°F (34.8°C).
What is the driest month?
The months with the least rainfall are July and September Rain falls for 15 days and accumulates 2.52" (64mm) of rain.
What is the least humid month?
With an average relative humidity of 69%, August is the least humid month.
What month has the most sunshine?
August has the most sunshine of the year in Castor, Louisiana, with an average of 10.4h of sunshine.
What is the month with the shortest days?
With an average of 10h and 6min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 4.9h of sunshine.
Average temperature
Castor, LA
The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (54.1°F).
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure
Castor, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Castor, LA
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.1mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity
Castor, LA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Castor, LA
- Average rainfall in January:
3.15" - Average rainfall in February:
3.94" - Average rainfall in March:
3.82" - Average rainfall in April:
3.98" - Average rainfall in May:
4.17" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.99" - Average rainfall in September:
2.52" - Average rainfall in October:
2.91" - Average rainfall in November:
2.64" - Average rainfall in December:
3.46"
The wettest month (with the highest rainfall) is May (4.17").
The driest months (with the least rainfall) are July and September (2.52").
Average rainfall days
Castor, LA
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
12.7 days - Average rainfall days in March:
15.6 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is October (9.5 days).
Average snowfall
Castor, LA
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Castor, LA
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
1.1 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:
0.3 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Castor, 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:
5h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Castor, LA
- Average sunshine days in January:
17 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
14 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (12.9 days).
Average UV index
Castor, 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
Castor, LA
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility
Castor, LA
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
Castor, Louisiana, USA
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