Climate and monthly weather forecastPort Royal, KY
Climate and monthly weather forecast
Weather in January
January, like December, in Port Royal, Kentucky, is a wintry winter month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 37.2°F (2.9°C). The coldest month is January, with an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 24.3°F (-4.3°C). Weather in January »Weather in February
February, the last month of the winter in Port Royal, is also an icy month, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 42.1°F (5.6°C). With February's advent, Port Royal sees an average high-temperature of a still icy 42.1°F (5.6°C), subtly shifted from January's 37.2°F (2.9°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Port Royal, Kentucky, with an average temperature varying between 52.7°F (11.5°C) and 36°F (2.2°C). As Port Royal welcomes March, the average high-temperature sees a rise, transitioning from an icy 42.1°F (5.6°C) in February to a cool 52.7°F (11.5°C). Weather in March »Weather in April
April in Port Royal, Kentucky, is a refreshing spring month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 45.9°F (7.7°C). April marks a rise in the average high-temperature, moving from March's fresh 52.7°F (11.5°C) to a refreshing 64.9°F (18.3°C). Weather in April »Weather in May
May, the last month of the spring in Port Royal, is a moderately hot month, with an average temperature varying between 74.3°F (23.5°C) and 55.9°F (13.3°C). As May arrives, a rise in the average high-temperature is observed, moving from a comfortable 64.9°F (18.3°C) in April to a warm 74.3°F (23.5°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Port Royal, Kentucky, with an average temperature varying between 82.4°F (28°C) and 62.8°F (17.1°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from 74.3°F (23.5°C) in May to a still warm 82.4°F (28°C). Weather in June »Weather in July
July, like June, in Port Royal, Kentucky, is another warm summer month, with an average temperature varying between 85.3°F (29.6°C) and 65.8°F (18.8°C). In Port Royal, July is the month with the highest recorded average temperatures, measuring a high of 85.3°F (29.6°C) and a low of 65.8°F (18.8°C). The heat index value for July is appraised at a torrid 96.8°F (36°C). Weather in July »Weather in August
August, the last month of the summer in Port Royal, is another warm month, with an average temperature varying between 64.2°F (17.9°C) and 84.6°F (29.2°C). August's arrival registers an average high-temperature of a still moderately hot 84.6°F (29.2°C), closely aligning with the temperature of the previous month. Weather in August »Weather in September
September, the first month of the autumn in Port Royal, is also a moderately hot month, with an average temperature varying between 58.6°F (14.8°C) and 78.3°F (25.7°C). Port Royal's transition into September involves a gentle shift in temperature, receding from a warm 84.6°F (29.2°C) in August to a still moderately hot 78.3°F (25.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Port Royal, Kentucky, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 65.5°F (18.6°C). Port Royal experiences a temperature shift at the start of October, with average high-temperatures adjusting from a moderately hot 78.3°F (25.7°C) in September to an enjoyable 65.5°F (18.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Port Royal, Kentucky, with an average temperature ranging between min 36.5°F (2.5°C) and max 52.2°F (11.2°C). The average high-temperature drops in November, from October's comfortable 65.5°F (18.6°C) to a fresh 52.2°F (11.2°C). Weather in November »Weather in December
December, the first month of the winter in Port Royal, is still a cold month, with an average temperature ranging between min 31.1°F (-0.5°C) and max 42.4°F (5.8°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a cool 52.2°F (11.2°C) in November to a wintry 42.4°F (5.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Port Royal, KY
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.2°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Port Royal, KY
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Port Royal, KY
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.1mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity
Port Royal, KY
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall
Port Royal, KY
- Average rainfall in January:
2.48" - Average rainfall in February:
3.23" - Average rainfall in March:
3.19" - Average rainfall in April:
4.06" - Average rainfall in May:
3.5" - Average rainfall in June:
3.19"
- Average rainfall in July:
3.39" - Average rainfall in August:
2.68" - Average rainfall in September:
2.13" - Average rainfall in October:
2.68" - Average rainfall in November:
2.76" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days
Port Royal, KY
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
19 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
14.6 days - Average rainfall days in October:
12 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.4 days).
Average snowfall
Port Royal, KY
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Port Royal, KY
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
6.8 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Port Royal, KY
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
5h and 24min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Port Royal, KY
- Average sunshine days in January:
14.4 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.8 days).
Average UV index
Port Royal, KY
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Port Royal, KY
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Port Royal, KY
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).





