Climate and monthly weather forecast
Henderson, KY

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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 »
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Frequently asked questions

What part of the year is the coldest in Henderson?

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).

How much does it rain in Henderson?

Throughout the year, in Henderson, Kentucky, there are 131.7 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

When does it snow in Henderson?

Months with snowfall are January through March, November and December.

What is the snowiest month in Henderson?

The month with the most snowfall in Henderson, Kentucky, is January, when snow falls for 5 days and typically aggregates up to 0.63" (16mm) of snow.

How many days does it snow in Henderson?

In Henderson, during the entire year, snow falls for 15.3 days and aggregates up to 2.24" (57mm) of snow.

What is the month with the least sunshine in Henderson?

The month with the least sunshine in Henderson is January, with an average of 4.5h of sunshine.

What is the month with the lowest UV index in Henderson?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

When is Daylight Saving Time (DST) in Henderson?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Henderson, 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.

What is the wettest month in Henderson?

April is the month with the most rainfall in Henderson. Rain falls for 12.9 days and accumulates 1.65" (42mm) of precipitation.

When it does not snow in Henderson?

In Henderson, snow does not fall in April through October.

What is the most humid month in Henderson?

May is the most humid month, with an average relative humidity of 80%.

What are the months with the highest UV index in Henderson?

The months with the highest UV index in Henderson, Kentucky, are May through August, with an average maximum UV index of 6.

When are the longest days in Henderson?

With an average of 14h and 42min of daylight, June has the longest days of the year in Henderson, Kentucky.

What are the months with the most sunshine in Henderson?

June through August, with an average of 10.6h of sunshine, are months with the most sunshine.

What time of the year is the hottest in Henderson?

In Henderson, the average temperatures in July are the highest, with a peak at 85.5°F (29.7°C) and a low of 68.5°F (20.3°C).

What is the driest month in Henderson?

The month with the least rainfall in Henderson is September, when the rain falls for 9.9 days and typically collects 0.67" (17mm) of precipitation.

What is the least humid month in Henderson?

The least humid month is October, with an average relative humidity of 70%.

What is the month with the shortest days in Henderson?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Henderson, Kentucky.

Average temperature
Henderson, KY

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).

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Average pressure
Henderson, KY

Average pressure - Henderson, KY

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Henderson, KY

Average wind speed - Henderson, KY

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).

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Average rainfall
Henderson, KY

Average rainfall - Henderson, KY

The wettest month (with the highest rainfall) is April (1.65").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days
Henderson, KY

Average rainfall days - Henderson, KY

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).

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Average snowfall
Henderson, KY

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").

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Average snowfall days
Henderson, KY

Average snowfall days - Henderson, KY

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).

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Average daylight / Average sunshine
Henderson, KY

Average daylight / Average sunshine - Henderson, KY

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).

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).

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Average sunshine days
Henderson, KY

Average sunshine days - Henderson, KY

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (13.1 days).

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Average UV index
Henderson, KY

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).

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Average visibility
Henderson, KY

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).

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Henderson, Kentucky, USA

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