Climate and monthly weather forecastRost, LA
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Rost, Louisiana, with an average temperature ranging between max 60.4°F (15.8°C) and min 47.3°F (8.5°C). In Rost, January is the month with the lowest recorded average temperatures, measuring a high of 60.4°F (15.8°C) and a low of 47.3°F (8.5°C). Weather in January »Weather in February
February, the last month of the winter in Rost, is an enjoyable month, with an average temperature varying between 64.9°F (18.3°C) and 51.4°F (10.8°C). The average high-temperature for February is an enjoyable 64.9°F (18.3°C), closely aligning with the temperature of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Rost, Louisiana, with an average temperature ranging between min 57°F (13.9°C) and max 71.2°F (21.8°C). March's arrival signals a modest temperature shift, moving from an enjoyable 64.9°F (18.3°C) in February to an agreeable 71.2°F (21.8°C). Weather in March »Weather in April
April in Rost, Louisiana, is a warm spring month, with an average temperature varying between 77.2°F (25.1°C) and 62.4°F (16.9°C). As April sets, the average high-temperature shows a slight increase, moving up from a pleasant 71.2°F (21.8°C) in March to a moderately hot 77.2°F (25.1°C). Weather in April »Weather in May
May, the last month of the spring in Rost, is also a moderately hot month, with an average temperature ranging between max 83.5°F (28.6°C) and min 69.3°F (20.7°C). With the transition into May, Rost experiences a subtle uplift in average high-temperatures, adjusting from a moderately hot 77.2°F (25.1°C) in April to a still warm 83.5°F (28.6°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Rost, Louisiana, with an average temperature ranging between max 88.7°F (31.5°C) and min 75.7°F (24.3°C). The advent of June presents an average high-temperature of a tropical 88.7°F (31.5°C), maintaining a close correlation with the preceding month. Weather in June »Weather in July
July, like June, is another hot summer month in Rost, Louisiana, with an average temperature ranging between max 89.6°F (32°C) and min 77°F (25°C). Rost's July weather, with an average high temperature of 89.6°F (32°C) and an average low temperature of 77°F (25°C), tends to be the warmest of the year. The heat index value during July is appraised at an extremely hot 109.4°F (43°C). Weather in July »Weather in August
August, the last month of the summer in Rost, is also a hot month, with an average temperature varying between 77.5°F (25.3°C) and 89.1°F (31.7°C). The transition from July to August brings an average high-temperature of a still tropical 89.1°F (31.7°C), barely different from July's 89.6°F (32°C). Weather in August »Weather in September
The first month of the autumn, September, is still a hot month in Rost, Louisiana, with temperature in the range of an average low of 74.1°F (23.4°C) and an average high of 86.5°F (30.3°C). Rost's average high-temperature in September sits at a still tropical 86.5°F (30.3°C), showing little difference from the previous month. Weather in September »Weather in October
October, like September, in Rost, Louisiana, is a moderately hot autumn month, with an average temperature ranging between min 65.1°F (18.4°C) and max 79.2°F (26.2°C). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a tropical 86.5°F (30.3°C) to a moderately hot 79.2°F (26.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also an agreeable month in Rost, Louisiana, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 69.1°F (20.6°C). November comes with a decrease in the average high-temperature, falling from a moderately hot 79.2°F (26.2°C) in October to an agreeable 69.1°F (20.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a comfortable month in Rost, Louisiana, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 63.7°F (17.6°C). The advent of December brings a subtle shift in temperature, with the average high moving from an agreeable 69.1°F (20.6°C) in November to a refreshing 63.7°F (17.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rost, LA
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure
Rost, 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:
30"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"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, August and September (29.97"Hg).
Average wind speed
Rost, LA
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.4mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Rost, LA
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Rost, LA
- Average rainfall in January:
1.65" - Average rainfall in February:
1.97" - Average rainfall in March:
1.61" - Average rainfall in April:
2.05" - Average rainfall in May:
3.03" - Average rainfall in June:
3.31"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days
Rost, LA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
19.8 days
- Average rainfall days in July:
22.9 days - Average rainfall days in August:
23.7 days - Average rainfall days in September:
19.9 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
12.6 days
The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall days
Rost, 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
Rost, 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 0min
- 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 42min - Average daylight in December:
10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
5h and 18min - Average sunshine in March:
8h and 0min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 30min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 42min - Average sunshine in September:
10h and 12min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Rost, LA
- Average sunshine days in January:
19 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
8.6 days
- Average sunshine days in July:
5.5 days - Average sunshine days in August:
4.8 days - Average sunshine days in September:
7.9 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).
Average UV index
Rost, LA
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Rost, LA
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility
Rost, 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).





