Climate and monthly weather forecast
Foster, KY

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Weather in January

January, like December, in Foster, Kentucky, is an icy winter month, with an average temperature ranging between min 24.4°F (-4.2°C) and max 37.4°F (3°C). Foster experiences its lowest average temperatures in January, reaching a peak of 37.4°F (3°C) and a minimum of 24.4°F (-4.2°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Foster, Kentucky, with an average temperature varying between 27.5°F (-2.5°C) and 42.3°F (5.7°C). At the start of February, Foster's average high-temperature reaches a still wintry 42.3°F (5.7°C), subtly different from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Foster, is a fresh month, with an average temperature fluctuating between 35.8°F (2.1°C) and 52.3°F (11.3°C). March marks a rise in the average high-temperature, moving from February's icy 42.3°F (5.7°C) to a cool 52.3°F (11.3°C). Weather in March »

Weather in April

April in Foster, Kentucky, is a comfortable spring month, with an average temperature varying between 45.5°F (7.5°C) and 64.6°F (18.1°C). The beginning of April signals a rise in the average high-temperature, moving from a cool 52.3°F (11.3°C) in March to a comfortable 64.6°F (18.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Foster, Kentucky, with an average temperature ranging between min 55.4°F (13°C) and max 74.8°F (23.8°C). Noticing a change, the average high-temperature during May moves from April's refreshing 64.6°F (18.1°C) to a warm 74.8°F (23.8°C). Weather in May »

Weather in June

June, the first month of the summer in Foster, is also a moderately hot month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 62.4°F (16.9°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from 74.8°F (23.8°C) in May to a still warm 82.2°F (27.9°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Foster, Kentucky, with an average temperature varying between 65.8°F (18.8°C) and 85.3°F (29.6°C). Foster registers the highest average temperatures during the month of July, with peaks of 85.3°F (29.6°C) and lows of 65.8°F (18.8°C). The average heat index in July is appraised at a fiery hot 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Foster, Kentucky, with an average temperature fluctuating between 84.4°F (29.1°C) and 64°F (17.8°C). August's climate shows a minor adjustment in average high-temperatures to a still moderately hot 84.4°F (29.1°C) from July's 85.3°F (29.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Foster, Kentucky, with an average temperature fluctuating between 58.5°F (14.7°C) and 78.3°F (25.7°C). The move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 84.4°F (29.1°C) to a still warm 78.3°F (25.7°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Foster, Kentucky, with an average temperature fluctuating between 47.3°F (8.5°C) and 65.3°F (18.5°C). As October begins, there is a decrease in the average high-temperature, falling from a moderately hot 78.3°F (25.7°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Foster, Kentucky, with an average temperature fluctuating between 52.2°F (11.2°C) and 36.5°F (2.5°C). The arrival of November indicates a decrease in the average high-temperature, moving from an enjoyable 65.3°F (18.5°C) in October to a cool 52.2°F (11.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Foster, Kentucky, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 42.6°F (5.9°C). The start of December involves a temperature drop, moving from a cool 52.2°F (11.2°C) in November to an icy 42.6°F (5.9°C). Weather in December »

Frequently asked questions

What part of the year is the coldest?

January, characterized by an average high temperature of 37.4°F (3°C) and a low temperature of 24.4°F (-4.2°C), is generally the coldest month.

How much does it rain?

Throughout the year, there are 156.2 rainfall days, and 26.1" (663mm) of precipitation is accumulated.

When does it snow in Foster?

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

When does it snow the most?

The month with the most snowfall is January, when snow falls for 8.4 days and typically aggregates up to 1.89" (48mm) of snow.

How much does it snow?

Throughout the year, there are 32.5 snowfall days, and 7.4" (188mm) of snow is accumulated.

What is the month with the least sunshine?

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

What are the most humid months?

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

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 rainiest month?

The month with the most rainfall is May, when the rain falls for 17.1 days and typically aggregates up to 3.03" (77mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 14h and 48min of daylight.

What is the month with the highest UV index?

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

What part of the year is the hottest?

Foster witnesses the warmest weather in July, with temperatures averaging a high of 85.3°F (29.6°C) and a low of 65.8°F (18.8°C).

What is the least humid month?

With an average relative humidity of 74%, August is the least humid month.

What month has the most sunshine?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.61" (41mm) of precipitation.

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
Foster, KY

Average temperature - Foster, 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 (37.4°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 (24.4°F).

Average pressure
Foster, KY

Average pressure - Foster, KY

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Foster, KY

Average wind speed - Foster, KY

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity
Foster, KY

Average humidity - Foster, KY

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

Average rainfall
Foster, KY

Average rainfall - Foster, KY

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days
Foster, KY

Average rainfall days - Foster, KY

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.8 days).

Average snowfall
Foster, KY

Average snowfall - Foster, KY

The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Foster, KY

Average snowfall days - Foster, KY

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
Foster, KY

Average daylight / Average sunshine - Foster, KY

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).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days
Foster, KY

Average sunshine days - Foster, KY

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index
Foster, KY

Average UV index - Foster, 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
Foster, KY

Average visibility - Foster, KY

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

Foster, Kentucky, USA

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