Climate and monthly weather forecast
Waterloo, KY

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Weather in January

January, the same as December, is a wintry winter month in Waterloo, Kentucky, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 23.9°F (-4.5°C). In Waterloo, January records the lowest average temperatures, peaking at 36.9°F (2.7°C) and reaching a low of 23.9°F (-4.5°C). Weather in January »

Weather in February

February, the last month of the winter in Waterloo, is also a wintry month, with an average temperature varying between 27°F (-2.8°C) and 41.5°F (5.3°C). The advent of February brings an average high-temperature of a still wintry 41.5°F (5.3°C), exhibiting minor difference from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Waterloo, is a fresh month, with an average temperature ranging between max 51.8°F (11°C) and min 35.8°F (2.1°C). Waterloo's transition into March brings a rise in the average high-temperature, moving from an icy 41.5°F (5.3°C) in February to a fresh 51.8°F (11°C). Weather in March »

Weather in April

April in Waterloo, Kentucky, is a refreshing spring month, with an average temperature ranging between min 45.3°F (7.4°C) and max 63.9°F (17.7°C). The start of April signals an increase in the average high-temperature, moving from a fresh 51.8°F (11°C) in March to a refreshing 63.9°F (17.7°C). Weather in April »

Weather in May

May, the last month of the spring in Waterloo, is a moderately hot month, with an average temperature ranging between min 55.4°F (13°C) and max 73.9°F (23.3°C). The average high-temperature increases in May, moving from an enjoyable 63.9°F (17.7°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Waterloo, Kentucky, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 81.5°F (27.5°C). June witnesses a subtle temperature ascent, adjusting from a moderately hot 73.9°F (23.3°C) in May to a still warm 81.5°F (27.5°C). Weather in June »

Weather in July

July, like June, in Waterloo, Kentucky, is another warm summer month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 84.9°F (29.4°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 84.9°F (29.4°C) and a low of 65.3°F (18.5°C). The heat index for July is computed to be a very hot 95°F (35°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Waterloo, Kentucky, with an average temperature fluctuating between 64°F (17.8°C) and 84.2°F (29°C). As July transitions into August, the average high-temperature rests at a still moderately hot 84.2°F (29°C), maintaining a close resemblance to the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Waterloo, is also a moderately hot month, with an average temperature fluctuating between 58.5°F (14.7°C) and 77.9°F (25.5°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 84.2°F (29°C) in August to a still moderately hot 77.9°F (25.5°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Waterloo, Kentucky, with an average temperature varying between 47.3°F (8.5°C) and 65.3°F (18.5°C). The average high-temperature decreases in October, shifting from a moderately hot 77.9°F (25.5°C) in September to a refreshing 65.3°F (18.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Waterloo, Kentucky, with an average temperature ranging between min 36.5°F (2.5°C) and max 51.8°F (11°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a comfortable 65.3°F (18.5°C) to a fresh 51.8°F (11°C). Weather in November »

Weather in December

December, the first month of the winter in Waterloo, is still a cold month, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 42.3°F (5.7°C). As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a fresh 51.8°F (11°C) to a cold 42.3°F (5.7°C). Weather in December »
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January is the coldest month, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 23.9°F (-4.5°C).

How much does it rain?

Throughout the year, there are 167 rainfall days, and 30.39" (772mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Waterloo are January through April, November and December.

How much does it snow?

Throughout the year, there are 33.8 snowfall days, and 9.65" (245mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4h of sunshine.

What are the months with the lowest UV index?

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

What are the most humid months?

February and December, with an average relative humidity of 81%, are most humid months.

What is the snowiest month in Waterloo?

The month with the most snowfall is February, when snow falls for 8 days and typically aggregates up to 2.8" (71mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the wettest month?

April is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.43" (87mm) of precipitation.

When it does not snow?

In Waterloo, snow does not fall in May through October.

When are the longest days?

June has the longest days of the year, with an average of 14h and 54min of daylight.

When is the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month?

Temperature records mark July as the warmest month, with highs averaging 84.9°F (29.4°C) and lows at 65.3°F (18.5°C).

What month has the most sunshine?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.73" (44mm) of precipitation.

What is the least humid month?

With an average relative humidity of 74%, October is the least humid month in Waterloo.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

Average temperature
Waterloo, KY

Average temperature - Waterloo, KY

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure
Waterloo, KY

Average pressure - Waterloo, KY

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Waterloo, KY

Average wind speed - Waterloo, KY

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity
Waterloo, KY

Average humidity - Waterloo, KY

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Waterloo, KY

Average rainfall - Waterloo, KY

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days
Waterloo, KY

Average rainfall days - Waterloo, KY

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (9.7 days).

Average snowfall
Waterloo, KY

Average snowfall - Waterloo, KY

The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Waterloo, KY

Average snowfall days - Waterloo, KY

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Waterloo, KY

Average daylight / Average sunshine - Waterloo, KY

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

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 0min).

Average sunshine days
Waterloo, KY

Average sunshine days - Waterloo, KY

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is May (10.4 days).

Average UV index
Waterloo, KY

Average UV index - Waterloo, 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 visibility
Waterloo, KY

Average visibility - Waterloo, KY

The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).

Waterloo, Kentucky, USA

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