Climate and monthly weather forecast
Graham Valley, IN

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Weather in January

January, like December, in Graham Valley, Indiana, is another cold winter month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 38.8°F (3.8°C). January is the coldest month, with the temperature often reaching an average high of 38.8°F (3.8°C) and an average low of 26.8°F (-2.9°C). Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Graham Valley, Indiana, with an average temperature ranging between max 43.9°F (6.6°C) and min 30°F (-1.1°C). The shift into February finds Graham Valley at an average high-temperature of a chilly 43.9°F (6.6°C), closely comparable to January's conditions. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Graham Valley, Indiana, with an average temperature ranging between min 38.7°F (3.7°C) and max 54.5°F (12.5°C). March sees a rise in the average high-temperature, climbing from a frosty 43.9°F (6.6°C) in February to a fresh 54.5°F (12.5°C). Weather in March »

Weather in April

April is a refreshing spring month in Graham Valley, Indiana, with an average temperature fluctuating between 48.6°F (9.2°C) and 65.8°F (18.8°C). April's onset is marked by a temperature increase, moving from a cool 54.5°F (12.5°C) in March to an enjoyable 65.8°F (18.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Graham Valley, Indiana, with an average temperature ranging between max 74.8°F (23.8°C) and min 58.1°F (14.5°C). May shows a rise in the average high-temperature, moving from April's enjoyable 65.8°F (18.8°C) to a moderately hot 74.8°F (23.8°C). Weather in May »

Weather in June

June, the first month of the summer in Graham Valley, is also a moderately hot month, with an average temperature varying between 83.3°F (28.5°C) and 65.5°F (18.6°C). As Graham Valley transitions into June, a marginal rise in the average high-temperature is observed, moving from a moderately hot 74.8°F (23.8°C) in May to a still warm 83.3°F (28.5°C). Weather in June »

Weather in July

July, like June, in Graham Valley, Indiana, is another warm summer month, with an average temperature fluctuating between 67.6°F (19.8°C) and 85.6°F (29.8°C). In Graham Valley, the highest average temperatures are observed in July, with a high of 85.6°F (29.8°C) and a low of 67.6°F (19.8°C). Throughout July, the heat index is computed to be a very hot 98.6°F (37°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Graham Valley, Indiana, with an average temperature varying between 65.8°F (18.8°C) and 84.6°F (29.2°C). The advent of August denotes an average high-temperature of a still moderately hot 84.6°F (29.2°C), subtly different from July's 85.6°F (29.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Graham Valley, Indiana, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 60.4°F (15.8°C). Entering September, the average high-temperature is recorded at a still warm 79.7°F (26.5°C), exhibiting a minimal shift from August's 84.6°F (29.2°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Graham Valley, Indiana, with an average temperature ranging between min 50°F (10°C) and max 67.1°F (19.5°C). Graham Valley in October demonstrates a small temperature transition, adjusting from an average high of a moderately hot 79.7°F (26.5°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Graham Valley, is also a fresh month, with an average temperature ranging between min 38.7°F (3.7°C) and max 53.4°F (11.9°C). November's onset brings a slight change in high-temperatures, falling from a comfortable 67.1°F (19.5°C) in October to a fresh 53.4°F (11.9°C). Weather in November »

Weather in December

December, the first month of the winter in Graham Valley, is still a chilly month, with an average temperature ranging between min 32.9°F (0.5°C) and max 43.7°F (6.5°C). The shift from November to December involves a decrease in the average high-temperature, from a cool 53.4°F (11.9°C) to a chilly 43.7°F (6.5°C). Weather in December »
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January brings the lowest temperatures in Graham Valley, with an average high of 38.8°F (3.8°C) and an average low of 26.8°F (-2.9°C).

How many days does it rain?

Throughout the year, there are 172 rainfall days, and 40.91" (1039mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 6.5 days and typically aggregates up to 1.57" (40mm) of snow.

How many days does it snow?

In Graham Valley, during the entire year, snow falls for 21.1 days and aggregates up to 6.26" (159mm) of snow.

What are the months with the least sunshine?

January, February and December, with an average of 4.4h of sunshine, are months with the least sunshine.

What is the month with the lowest UV index?

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

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 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 rainiest month?

April is the month with the most rainfall. Rain falls for 17.1 days and accumulates 5.31" (135mm) of precipitation.

What is the most humid month?

With an average relative humidity of 80%, May is the most humid month in Graham Valley.

When it does not snow?

May through October are months without snowfall.

What is the month with the highest UV index?

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

When are the longest days?

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

What are the months with the most sunshine?

June through August, with an average of 10.4h of sunshine, are months with the most sunshine.

What month is the hottest?

With average high temperatures of 85.6°F (29.8°C) and lows of 67.6°F (19.8°C), July is the warmest month.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.93" (49mm) of precipitation.

What is the least humid month?

The least humid month in Graham Valley is October, with an average relative humidity of 71%.

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
Graham Valley, IN

Average temperature - Graham Valley, IN

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.8°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure
Graham Valley, IN

Average pressure - Graham Valley, IN

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
Graham Valley, IN

Average wind speed - Graham Valley, IN

The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity
Graham Valley, IN

Average humidity - Graham Valley, IN

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Graham Valley, IN

Average rainfall - Graham Valley, IN

The wettest month (with the highest rainfall) is April (5.31").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days
Graham Valley, IN

Average rainfall days - Graham Valley, IN

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.9 days).

Average snowfall
Graham Valley, IN

Average snowfall - Graham Valley, IN

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Graham Valley, IN

Average snowfall days - Graham Valley, IN

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Graham Valley, IN

Average daylight / Average sunshine - Graham Valley, IN

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 36min).

The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).

Average sunshine days
Graham Valley, IN

Average sunshine days - Graham Valley, IN

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (8.9 days).

Average UV index
Graham Valley, IN

Average UV index - Graham Valley, IN

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
Graham Valley, IN

Average visibility - Graham Valley, IN

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).

Graham Valley, Indiana, USA

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