Climate and monthly weather forecast
Calhoun, GA

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The climate of Calhoun

Falling under the Köppen climate classification category, Cfa. Calhoun, Georgia, possesses humid subtropical weather characterized by no dry season. Geographically placed on the lower latitudes of the northern hemisphere, the city experiences typical southern weather patterns.

Calhoun experiences a fairly consistent range of humidity throughout the year. The highest relative humidity value reaches approximately 80% in December and the lowest nears 73% during the deceptively cool month of October. With an absence of any specific dry season, rainfall remains fairly distributed across the year, rarely dropping below 1.38" (35mm) per month. Snowfall makes a scant appearance in the months of January, February and December, barely scraping together a total of roughly 1.2" (30mm) in the year. The temperature reacts dynamically to each season, cooling down to 32.5°F (0.3°C) in January and inching as high as 89.2°F (31.8°C) in the peak summer month of July.

It remains crucial to point out the high UV index value of 6 that is steady from May to August. The cloud cover varies from 30% to 50%, which directly correlates with the slightly changing sunshine hours ranging from 4.9 hours in the December to 10.5 hours in July. The city also offers decent visibility throughout the year rarely dipping below 6 miles.

Winds in Calhoun tend to remain gentle throughout the year, averaging between 4.1mph (6.6km/h) to 7.1mph (11.4km/h) on a typical day. The wind gusts, although stronger as expected, stay within reasonable limits peaking in January at 11.3mph (18.2km/h) but mostly staying below 10.2mph (16.4km/h).

The best time to visit Calhoun

Considering both climate parameters and personal preferences, the best time to visit Calhoun is between September and November. During this time, Calhoun experiences iconic autumn weather with average highs of 71.8°F (22.1°C) to 83.1°F (28.4°C) and lows hovering between 50.9°F (10.5°C) and 62.2°F (16.8°C). Rainfall is significantly less as well when compared to earlier months, leading to drier and more comfortable days. Sunshine hours also remain generous offering plenty of daylight to explore the city.

The worst time to visit Calhoun

While Calhoun hosts visitors year-round, the months of December through February might not prove to be the optimal time for travel. The relative humidity is high during these months and temperatures fluctuating between 32.5°F (0.3°C) to 53.6°F (12°C) might make outdoor activities less enjoyable. Despite having the rare snowfall, these months see the shortest daylight hours and least sunshine hours, contributing to a typical winter mood.

Spring weather in Calhoun

The spring season in Calhoun, spanning March through May, brings gradual warmth with it. With temperatures climbing steadily from 61.3°F (16.3°C) in March to 79.5°F (26.4°C) in May and lows increasing from 43°F (6.1°C) to 57.9°F (14.4°C), the season is markedly pleasant. Rainfall shows a slight increase but remains below 2.32" (59mm) per month during this period. The lengthening days also start to receive increased sunshine, contributing to a vibrant spring energy.

Summer weather in Calhoun

Summer months, June through August, in Calhoun showcase peak temperatures with July reporting highs near 89.2°F (31.8°C). Correspondingly, night temperatures also rise well into the range of 64.4°F (18°C) and 67.6°F (19.8°C). This same period also receives the highest UV index reading of the year, which, although diminished by an increase in cloud cover, can still demand caution. The refreshing contrast in this heat dominated season comes from the relatively mild wind which averages about 4.4mph (7.1km/h).

Autumn weather in Calhoun

Calhoun enjoys a mild autumn season from September through November. The decreasing temperatures, 83.1°F (28.4°C) to 59.9°F (15.5°C), and diminishing rainfall help usher in crisper days. As cloud cover decreases and sunshine hours remain abundant, the period takes on a satisfying temperate nature.

Winter weather in Calhoun

December to February marks the winter months in Calhoun. The season witnesses temperatures fluctuating from a frosty 32.5°F (0.3°C) to moderate 53.6°F (12°C) levels. While snowfall is a rarity in Calhoun, the city does receive its share of rain. Despite the shorter days due to reduced sunlight, winter lovers might find comfort in the season's own unique charm.

Weather in January

Calhoun, Georgia, starts off the year with winter weather which is reflected in its low temperatures. The month reaches the minimum average low temperature of 32.5°F (0.3°C) which is the coldest of the year. The city, however, seldom experiences heavy snowfall, with a light dusting of snow on some days. Weather in January »

Weather in February

As the last of the winter months, February in Calhoun experiences a modest increase in temperature from January. The average high does not surpass 53.6°F (12°C) but it is still higher than the previous month. With daylight increasing, the chill in the air abates slightly, heralding the arrival of spring. Weather in February »

Weather in March

March ushers in the start of Spring in Calhoun, Georgia. There is a notable increase in temperatures, with highs reaching 61.3°F (16.3°C) and consequently marks a reduction in snowfall, making the environment feel gentle and moderate. Weather in March »

Weather in April

Calhoun weather in April is characteristically warm and a clear indication that summer is not far off. It achieves more than an average 8.2 hours of daily sunshine, the highest till this point in the year. Days are longer and drier with the sun shining brightly and the city bustling with outdoor festivities. Weather in April »

Weather in May

May is when summer begins to set in Calhoun. Temperatures rise, but rainfall also increases, reaching 2.32" (59mm) for the month. This is typically the transition month, between the chill of spring and the heat of summer. As the city welcomes the summer season, longer daylight hours are a constant feature with more sun and less rain expected in the coming months. As Calhoun welcomes May, the average high-temperature sees a modest rise, transitioning from a pleasant 71.4°F (21.9°C) in April to a warm 79.5°F (26.4°C). Weather in May »

Weather in June

June brings the true peak of summer to Calhoun, with temperatures exceeding those of the preceding months. With the month having its highest average low temperature of 64.4°F (18°C) in the year, the days are significantly hotter. Weather in June »

Weather in July

July is typically the hottest month in Calhoun, with substantial daylight and high temperatures. The average maximum temperature recorded through this month is 89.2°F (31.8°C), leaving residents continually seeking relief from the summer heat. Weather in July »

Weather in August

The weather in Calhoun remains sweltering in August, retaining the high heat levels of July. Temperatures escalate to a high of 88.9°F (31.6°C), consistently making this month among the hottest of the year. The persistent heat leads to prolonged daylight hours, rewarding residents with ample opportunities for summer activities. In August, the average high-temperature registers at a still tropical 88.9°F (31.6°C), nearly identical to July's 89.2°F (31.8°C). Weather in August »

Weather in September

The arrival of September signals the start of a cooler, gentler season in Calhoun. There is a decrease in the average maximum temperature, which goes down to 83.1°F (28.4°C). September is characterized by a gradual decrease in temperature, indicating the onset of autumn. Weather in September »

Weather in October

October is when Calhoun bids farewell to summer and welcomes autumn in full vigor. There is a noticeable drop in high temperatures compared to September, with a maximum of 71.8°F (22.1°C). This mild weather makes it the ideal time for residents to enjoy the vibrant fall foliage around the city. Weather in October »

Weather in November

In November, Calhoun experiences further lowering of temperatures and daylight hours. The mercury retreats down to an average maximum temperature of 59.9°F (15.5°C). The shorter daylight hours and the receding temperatures mark the end of autumn and residents begin to prepare for the arrival of winter. The beginning of November involves a decrease in the average high-temperature, transitioning from an agreeable 71.8°F (22.1°C) in October to a mild 59.9°F (15.5°C). Weather in November »

Weather in December

December beholds winter in Calhoun, with the year ending on a fresh, crisp note. The average high temperature falls to 52.2°F (11.2°C), experiencing an overall decrease in temperature and daylight hours. Snowfall becomes more probable by this time, closing out the year with a sprinkling of winter white. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Calhoun?

January tends to be the coldest month in Calhoun, Georgia, with temperatures averaging a daily high of 48.2°F (9°C) and a low of 32.5°F (0.3°C).

How many days does it rain in Calhoun?

Throughout the year, there are 142.8 rainfall days, and 23.5" (597mm) of precipitation is accumulated.

When does it snow in Calhoun?

Months with snowfall in Calhoun are January through March and December.

What is the snowiest month in Calhoun?

The month with the most snowfall in Calhoun is January, when snow falls for 1.6 days and typically aggregates up to 0.55" (14mm) of snow.

How much does it snow in Calhoun?

Throughout the year, in Calhoun, Georgia, there are 5 snowfall days, and 1.26" (32mm) of snow is accumulated.

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

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

When is Daylight Saving Time (DST) in Calhoun?

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 Calhoun?

April through November are months without snowfall.

What is the rainiest month in Calhoun?

The month with the most rainfall in Calhoun is May, when the rain falls for 14.5 days and typically aggregates up to 2.32" (59mm) of precipitation.

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

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

When are the longest days in Calhoun?

With an average of 14h and 24min of daylight, June has the longest days of the year.

What month is the hottest in Calhoun?

July, known for its average high temperature of 89.2°F (31.8°C) and an average low temperature of 67.6°F (19.8°C), is the warmest month in Calhoun.

What month has the most sunshine in Calhoun?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Calhoun, Georgia.

What is the driest month in Calhoun?

The month with the least rainfall in Calhoun, Georgia, is September, when the rain falls for 9.5 days and typically collects 1.38" (35mm) of precipitation.

What is the least humid month in Calhoun?

The least humid month is October, with an average relative humidity of 73%.

What is the most humid month in Calhoun?

With an average relative humidity of 80%, December is the most humid month in Calhoun.

What is the month with the shortest days in Calhoun?

December has the shortest days of the year in Calhoun, with an average of 9h and 54min of daylight.

What is the month with the least sunshine in Calhoun?

The month with the least sunshine in Calhoun, Georgia, is December, with an average of 4.9h of sunshine.

Average temperature
Calhoun, GA

Average temperature - Calhoun, GA

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.2°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 (32.5°F).

Average pressure
Calhoun, GA

Average pressure - Calhoun, GA

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed
Calhoun, GA

Average wind speed - Calhoun, GA

The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity
Calhoun, GA

Average humidity - Calhoun, GA

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Calhoun, GA

Average rainfall - Calhoun, GA

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days
Calhoun, GA

Average rainfall days - Calhoun, GA

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is October (7.8 days).

Average snowfall
Calhoun, GA

Average snowfall - Calhoun, GA

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Calhoun, GA

Average snowfall days - Calhoun, GA

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Calhoun, GA

Average daylight / Average sunshine - Calhoun, GA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days
Calhoun, GA

Average sunshine days - Calhoun, GA

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (13 days).

Average UV index
Calhoun, GA

Average UV index - Calhoun, GA

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 and December (UV index 2).

Average visibility
Calhoun, GA

Average visibility - Calhoun, GA

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

Calhoun, Georgia, USA

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