Climate and monthly weather forecast
Stillwater, KY

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Weather in January

January, like December, in Stillwater, Kentucky, is an icy winter month, with an average temperature ranging between max 40.3°F (4.6°C) and min 27°F (-2.8°C). With average temperatures fluctuating between a high of 40.3°F (4.6°C) and a low of 27°F (-2.8°C), January stands out as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Stillwater, is a chilly month, with an average temperature fluctuating between 45.1°F (7.3°C) and 30.6°F (-0.8°C). The average high-temperature during February is a chilly 45.1°F (7.3°C), almost matching the conditions of the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Stillwater, Kentucky, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 37.8°F (3.2°C). As Stillwater transitions into March, a rise in the average high-temperature is observed, moving from a frosty 45.1°F (7.3°C) in February to a fresh 54.1°F (12.3°C). Weather in March »

Weather in April

April in Stillwater, Kentucky, is a refreshing spring month, with an average temperature ranging between max 66.2°F (19°C) and min 46.9°F (8.3°C). The start of April signals an increase in the average high-temperature, moving from a cool 54.1°F (12.3°C) in March to a comfortable 66.2°F (19°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Stillwater, Kentucky, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 76.1°F (24.5°C). With the arrival of May, the average high-temperature transitions from a comfortable 66.2°F (19°C) in April to a warm 76.1°F (24.5°C). Weather in May »

Weather in June

June, the first month of the summer in Stillwater, is also a moderately hot month, with an average temperature ranging between max 83.7°F (28.7°C) and min 61.2°F (16.2°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a moderately hot 76.1°F (24.5°C) to a still warm 83.7°F (28.7°C). Weather in June »

Weather in July

July is a tropical summer month in Stillwater, Kentucky, with an average temperature fluctuating between 86.7°F (30.4°C) and 64.2°F (17.9°C). In Stillwater, the month of July registers the highest temperatures, averaging 86.7°F (30.4°C) at the peak and 64.2°F (17.9°C) at the lowest. July's average heat index is estimated at a sweltering 98.6°F (37°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Stillwater, Kentucky, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 62.6°F (17°C). With the onset of August, the average high-temperature stands at a moderately hot 85.6°F (29.8°C), closely aligned with July's 86.7°F (30.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Stillwater, Kentucky, with an average temperature fluctuating between 57.4°F (14.1°C) and 79.5°F (26.4°C). With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 85.6°F (29.8°C) in August to a still warm 79.5°F (26.4°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Stillwater, Kentucky, with an average temperature ranging between min 47.3°F (8.5°C) and max 66.7°F (19.3°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a moderately hot 79.5°F (26.4°C) in September to a refreshing 66.7°F (19.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Stillwater, is another cool month, with an average temperature ranging between min 37.9°F (3.3°C) and max 54°F (12.2°C). A shift in the average high-temperature occurs in November, reducing from a refreshing 66.7°F (19.3°C) in October to a fresh 54°F (12.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Stillwater, Kentucky, with an average temperature varying between 33.3°F (0.7°C) and 45°F (7.2°C). December heralds a minor drop in average high-temperature, sliding from November's cool 54°F (12.2°C) to a chilly 45°F (7.2°C). Weather in December »
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Stillwater's coldest weather arrives in January, when temperatures average a high of 40.3°F (4.6°C) and a low of 27°F (-2.8°C).

How many days does it rain?

Throughout the year, there are 178 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Stillwater are January through April, October through December.

How many days does it snow?

In Stillwater, during the entire year, snow falls for 39.8 days and aggregates up to 17.32" (440mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.1h of sunshine.

When is the lowest UV index?

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

What is the most humid month in Stillwater?

With an average relative humidity of 80%, February is the most humid month.

What is the rainiest month?

The month with the most rainfall is February, when the rain falls for 13.1 days and typically aggregates up to 3.9" (99mm) of precipitation.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 9.8 days and typically aggregates up to 4.8" (122mm) 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.

When it does not snow in Stillwater?

In Stillwater, snow does not fall in May through September.

What is the month with the highest UV index?

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

When are the longest days?

The month with the longest days in Stillwater is June, with an average of 14h and 42min of daylight.

What are the months with the most sunshine?

June and August, with an average of 10.1h of sunshine, are months with the most sunshine.

What month is the hottest?

July is the month that records the highest temperatures, with averages ranging from a high of 86.7°F (30.4°C) to a low of 64.2°F (17.9°C).

What are the least humid months?

August and November, with an average relative humidity of 74%, are the least humid months.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.93" (49mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

Average temperature
Stillwater, KY

Average temperature - Stillwater, KY

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure
Stillwater, KY

Average pressure - Stillwater, KY

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed
Stillwater, KY

Average wind speed - Stillwater, KY

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity
Stillwater, KY

Average humidity - Stillwater, KY

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

Average rainfall
Stillwater, KY

Average rainfall - Stillwater, KY

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days
Stillwater, KY

Average rainfall days - Stillwater, KY

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

Average snowfall
Stillwater, KY

Average snowfall - Stillwater, KY

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Stillwater, KY

Average snowfall days - Stillwater, KY

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Stillwater, KY

Average daylight / Average sunshine - Stillwater, 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 and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days
Stillwater, KY

Average sunshine days - Stillwater, KY

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

Average UV index
Stillwater, KY

Average UV index - Stillwater, 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 visibility
Stillwater, KY

Average visibility - Stillwater, KY

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

Stillwater, Kentucky, USA

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