Climate and monthly weather forecastHenderson, KY
Climate and monthly weather forecast
The climate of Henderson
Henderson, Kentucky, USA lies in the climatic region according to the Köppen climate classification, marked as Cfa. This geographical zone is characterized as humid subtropical, with no dry season. Weather patterns in Henderson follow predictable yearly rhythms, with changes in each weather parameter setting the stage for the seasons as they transition from one to the next.Throughout the year, temperatures in Henderson range from a brisk 26.8°F (-2.9°C) in the cooler months up to a warm 85.5°F (29.7°C) at the height of summer. Relative humidity levels remain fairly consistent over the year, hovering around the area of 77% to 80%. Rain falls regularly across the year with average monthly rainfall amounts varying between 0.67in and 1.65in. No specific month can be singled out as being without rainfall. From this data, it is also clear that there are snowfalls, however, the amounts are minimal, limited to the range of 0.63in to 0.2in, with no evidence of snow from May to September.
With regard to daylight hours, there's roughly a 5-hour difference from winter to summer, ranging from 9.6 to 14.8 hours of light per day. Similarly, sunshine hours fluctuate between a yearly low of 4.5 hours in winter to a high of 10.6 hours during summer. Counterintuitively, the highest count of sunny days is recorded during fall, with an average of 21.3 days in October. Also, it is noteworthy to mention that the UV index reaches its peak of intensity during the months from May to August.
The best time to visit Henderson
The most favourable time to visit Henderson, Kentucky, USA would arguably be between May and September. During these months, the city basks in temperatures of 65.8°F (18.8°C) to 85.5°F (29.7°C) and the maximum amount of sunlight, with sunshine hours of 9.4 to 10.6 per day and UV index reaching up to 6. Additionally, this period coincides with the lowest rainfalls, making it perfect for outdoor activities.The worst time to visit Henderson
For those averse to colder climates, late December through to early February may not be the best time to visit. During these months, Henderson experiences its lowest temperatures, falling between 26.8°F (-2.9°C) and 30.6°F (-0.8°C). December and January also bring the lowest count of sunny days and the peak of snowfall, which could make travel challenging.Spring weather in Henderson
Spring gradually brings warmth to Henderson, with temperatures rising from 39.4°F (4.1°C) in March to a comfortable 65.8°F (18.8°C) in May. Concurrently, daylight hours increase from 12 to 14.2 hours over the course of the season. Average rainfall amount in spring ranges from 1.38in to 1.65in while the relative humidity remains fairly stable, fluctuating between 77% and 80%.Summer weather in Henderson
Summer in Henderson comes with temperatures reaching a high of 85.5°F (29.7°C). Relative humidity drops slightly to around 78%, making the heat slightly more bearable. These hot months between June and August also bring about extended daylight hours of 14.8 and 13.6, respectively. Rainfall also lessens during this time, with the least amount of 1.26in falling in July and August.Autumn weather in Henderson
During the months of September to November, temperatures begin to cool down from 79.7°F (26.5°C) to 53.8°F (12.1°C). Interestingly, despite decreasing temperatures, the count of sunshine days climbs to a yearly high of 21.3 days in October, with daylight hours decreasing to 11.2 hours by the end of November. Rainfall during this season ranges from 1.22in to 0.67in, with November being the driest month.Winter weather in Henderson
Winter in Henderson, lasting from December through February, presents the coldest part of the year with temperatures ranging from 39.4°F (4.1°C) to 26.8°F (-2.9°C). In December and January, the daylight hours are much shorter, ranging from 9.6 to 10.1 hours with the least amount of sunshine hours, between 4.5 and 4.7. As for precipitation, both rain and snow are possible during these colder months but not in formidable amounts, with average rainfall ranging from 1.14in to 1.42in and snowfall peaking at 0.63in in December.Weather in January
January in Henderson, Kentucky, is typically quite cold with the month’s average high and low temperatures ranging from 26.8°F (-2.9°C) to 39.4°F (4.1°C). It is a time characterized by shorter daylight hours, considerable cloud cover, and prevalent frosty mornings. Weather in January »Weather in February
February brings little change in the weather conditions in Henderson, as temperatures are still low, only slightly warmer than January. The city continues to experience cold, yet gradually lengthening, days, owing to its location in the temperate climate zone. Weather in February »Weather in March
As Henderson moves into March, a gradual increase in temperature from 39.4°F (4.1°C) to 55.4°F (13°C) marks the transition from winter to spring. The warmer temperatures herald the onset of outdoor activities. The snow recedes, giving way to frequent rainfall which nurtures the emerging foliage. Weather in March »Weather in April
April in Henderson, Kentucky, consolidates the onset of spring with warmer temperatures. The blossoming flora, coupled with the decreasing frequency of rainfall, signifies this changing season. The city starts to enjoy more sunshine and longer daylight hours, indicative of the longer days ahead. Weather in April »Weather in May
Moving into May, Henderson witnesses further warming of the climate with temperatures ranging from 58.5°F (14.7°C) to 74.8°F (23.8°C). These conditions pave the way for outdoor events, with locals and visitors taking advantage of the pleasant temperatures. Weather in May »Weather in June
June kicks off the summertime in Henderson, offering long, sun-filled days. As temperatures rise, residents and tourists flock to recreational spots to enjoy the salubrious weather. Rainfall decreases from the earlier months, making outdoor activities a less risky proposition. Weather in June »Weather in July
Come July, Henderson experiences its warmest month of the year with temperatures peaking between 68.5°F (20.3°C) and 85.5°F (29.7°C). Sun protection becomes critical with the city having the highest UV index. Despite high temperatures, the breeze continues to offer some relief. Weather in July »Weather in August
August in Henderson is characterized by warm, sunny days with temperatures similar to July. As summer reaches its tail end, residents and visitors savor the remaining opportunities for outdoor leisure and events. The weather patterns remain consistent, promising clear, unobscured visibility throughout the month. Weather in August »Weather in September
September marks a gradual transition from summer to fall with average temperatures dropping from 79.7°F (26.5°C) to 61°F (16.1°C), and decreased daylight hours. This period brings vibrancy, with the onset of fall foliage while still providing pleasurable weather conditions for outdoor activities. Weather in September »Weather in October
October in Henderson presents a classic autumn scene, with temperatures descending further and the foliage assuming distinctive hues of red and gold. This period is remembered for its pleasant chill and minimal rainfall, enhancing the charm of the city’s outdoor attractions. Weather in October »Weather in November
November brings the onset of winter in Henderson, Kentucky, as temperatures dip significantly from 67.5°F (19.7°C) to 39.6°F (4.2°C). This time is marked by early sunsets, increased cloud cover, and the first whispers of winter chill. Weather in November »Weather in December
December in Henderson is characterized by cold temperatures ranging from 33.3°F (0.7°C) to 44.2°F (6.8°C), marking the depths of winter. Despite the cold, the city is filled with festive cheer due to the holiday season. The cloud cover is extensive, and daylight hours reach their minimum. Weather in December »Updated: Jul 23, 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
During the coldest month in Henderson, January, temperatures average a high of 39.4°F (4.1°C) and a low of 26.8°F (-2.9°C).
Throughout the year, there are 131.7 rainfall days, and 15.47" (393mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
The month with the most snowfall is January, when snow falls for 5 days and typically aggregates up to 0.63" (16mm) of snow.
In Henderson, during the entire year, snow falls for 15.3 days and aggregates up to 2.24" (57mm) of snow.
With an average of 4.5h of sunshine, January has the least sunshine of the year.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
April is the month with the most rainfall. Rain falls for 12.9 days and accumulates 1.65" (42mm) of precipitation.
In Henderson, snow does not fall in April through October.
May is the most humid month, with an average relative humidity of 80%.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the longest days is June, with an average of 14h and 42min of daylight.
June through August, with an average of 10.6h of sunshine, are months with the most sunshine.
With average temperatures fluctuating between a high of 85.5°F (29.7°C) and a low of 68.5°F (20.3°C), July stands out as the warmest month.
September is the month with the least rainfall. Rain falls for 9.9 days and accumulates 0.67" (17mm) of precipitation.
October is the least humid month, with an average relative humidity of 70%.
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Henderson, KY
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39.4°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Henderson, KY
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"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:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Henderson, KY
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.2mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Henderson, KY
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Henderson, KY
- Average rainfall in January:
1.14" - Average rainfall in February:
1.42" - Average rainfall in March:
1.38" - Average rainfall in April:
1.65" - Average rainfall in May:
1.61" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.26" - Average rainfall in August:
1.26" - Average rainfall in September:
0.67" - Average rainfall in October:
1.22" - Average rainfall in November:
1.22" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is April (1.65").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days
Henderson, KY
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
14.4 days - Average rainfall days in August:
12 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
9.7 days
The months with the highest number of rainy days are May and July (14.4 days).
The month with the least rainy days is November (7.8 days).
Average snowfall
Henderson, KY
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Henderson, KY
- Average snowfall days in January:
5 days - Average snowfall days in February:
3.5 days - Average snowfall days in March:
2.1 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 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Henderson, KY
- Average daylight in January:
9h and 54min - 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 12min - Average daylight in June:
14h and 42min
- 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 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Henderson, KY
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
16 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (13.1 days).
Average UV index
Henderson, KY
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Henderson, KY
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Henderson, KY
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).
