Climate and monthly weather forecastRomeville, LA
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Romeville, Louisiana, with an average temperature fluctuating between 45.1°F (7.3°C) and 60.3°F (15.7°C). In Romeville, January records the lowest average temperatures, peaking at 60.3°F (15.7°C) and reaching a low of 45.1°F (7.3°C). Weather in January »Weather in February
The last month of the winter, February, is an enjoyable month in Romeville, Louisiana, with temperature in the range of an average low of 50°F (10°C) and an average high of 64.9°F (18.3°C). With the onset of February, the average high-temperature registers at a still refreshing 64.9°F (18.3°C), subtly different from January's 60.3°F (15.7°C). Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Romeville, Louisiana, with an average temperature varying between 72°F (22.2°C) and 55.2°F (12.9°C). As February transitions into March, Romeville notices a gentle rise in the average high-temperature, transitioning from a refreshing 64.9°F (18.3°C) to a pleasant 72°F (22.2°C). Weather in March »Weather in April
April is a warm spring month in Romeville, Louisiana, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 60.4°F (15.8°C). April's onset brings a subtle temperature rise, moving from an agreeable 72°F (22.2°C) in March to a moderately hot 77.9°F (25.5°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Romeville, Louisiana, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 67.3°F (19.6°C). Romeville's transition into May is noticed by a slight rise in the average high-temperature, advancing from 77.9°F (25.5°C) in April to a still moderately hot 84°F (28.9°C). Weather in May »Weather in June
June, the first month of the summer in Romeville, is a hot month, with temperature in the range of an average high of 89.4°F (31.9°C) and an average low of 73.6°F (23.1°C). Romeville's transition into June is marked by a minor temperature shift, moving from a moderately hot 84°F (28.9°C) in May to a tropical 89.4°F (31.9°C). Weather in June »Weather in July
July, like June, is another hot summer month in Romeville, Louisiana, with an average temperature fluctuating between 89.8°F (32.1°C) and 75.2°F (24°C). In Romeville, the warmest period comes during July and August, when the average high-temperature touches 89.8°F (32.1°C). July's heat index is calculated to be an extremely hot 111.2°F (44°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Romeville, Louisiana, with temperature in the range of an average low of 75.4°F (24.1°C) and an average high of 89.8°F (32.1°C). The temperature hits its peak in July and August, recording an average high-temperature of 89.8°F (32.1°C). The heat index value during August is calculated to be a blisteringly hot 111.2°F (44°C). Weather in August »Weather in September
The first month of the autumn, September, is still a hot month in Romeville, Louisiana, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 86.9°F (30.5°C). September's weather displays an average high-temperature of a still tropical 86.9°F (30.5°C), slightly varied from August's 89.8°F (32.1°C). Weather in September »Weather in October
October, like September, in Romeville, Louisiana, is another warm autumn month, with an average temperature varying between 62.6°F (17°C) and 79.5°F (26.4°C). October witnesses a gentle descent in average high-temperature, descending from September's hot 86.9°F (30.5°C) to a moderately hot 79.5°F (26.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another pleasant month in Romeville, Louisiana, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 68.9°F (20.5°C). In November, the average high-temperature goes from a warm 79.5°F (26.4°C) in October to a pleasant 68.9°F (20.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Romeville, Louisiana, with an average temperature fluctuating between 63°F (17.2°C) and 49.5°F (9.7°C). A mild shift in the average high-temperature occurs in December, reducing from an agreeable 68.9°F (20.5°C) in November to a comfortable 63°F (17.2°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
Romeville's January weather, with an average high temperature of 60.3°F (15.7°C) and an average low temperature of 45.1°F (7.3°C), tends to be the coldest of the year.
In Romeville, during the entire year, the rain falls for 172.6 days and collects up to 30.2" (767mm) of precipitation.
The only month with snowfall is January.
January is the month with the most snowfall in Romeville. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.
In Romeville, during the entire year, snow falls for 0.2 days and aggregates up to 0.04" (1mm) of snow.
February, July through September and December, with an average relative humidity of 79%, are most humid months in Romeville.
February through December are months without snowfall.
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.
The month with the longest days is June, with an average of 14h and 6min of daylight.
The month with the most sunshine is June, with an average of 10.6h of sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
Romeville's average highest temperatures are recorded in July and August, reaching a high of 89.8°F (32.1°C).
July is the month with the most rainfall. Rain falls for 21.5 days and accumulates 4.88" (124mm) of precipitation.
With an average relative humidity of 74%, October is the least humid month.
November is the month with the least rainfall. Rain falls for 8 days and accumulates 1.26" (32mm) of precipitation.
December has the shortest days of the year, with an average of 10h and 12min of daylight.
December has the least sunshine of the year, with an average of 5.1h of sunshine.
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Romeville, LA
The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (60.3°F).
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure
Romeville, 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"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
Romeville, LA
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.5mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity
Romeville, LA
The months with the highest relative humidity are February, July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Romeville, LA
- Average rainfall in January:
1.65" - Average rainfall in February:
1.85" - Average rainfall in March:
1.5" - Average rainfall in April:
2.17" - Average rainfall in May:
2.8" - Average rainfall in June:
2.8"
- Average rainfall in July:
4.88" - Average rainfall in August:
4.37" - Average rainfall in September:
2.36" - Average rainfall in October:
2.32" - Average rainfall in November:
1.26" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days
Romeville, LA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
14 days - Average rainfall days in June:
19.2 days
- Average rainfall days in July:
21.5 days - Average rainfall days in August:
22.3 days - Average rainfall days in September:
18.6 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
8 days - Average rainfall days in December:
12.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8 days).
Average snowfall
Romeville, LA
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Romeville, LA
- Average snowfall days in January:
0.1 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 months with the highest number of snowfall days are January and December (0.1 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
Romeville, 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 30min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 30min - Average sunshine in May:
10h and 12min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
10h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Romeville, LA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
16.6 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
8.6 days
- Average sunshine days in July:
6.4 days - Average sunshine days in August:
6.6 days - Average sunshine days in September:
8.8 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6.4 days).
Average UV index
Romeville, 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
Romeville, LA
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility
Romeville, 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).
