Climate and monthly weather forecast
Anderson, IN

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The climate of Anderson

Located in the Midwest region of the United States, Anderson, Indiana is characterized by a humid continental climate with no dry season and hot summers, according to Köppen climate classification. This Dfa climate designation is often associated with areas that have large temperature variations, significant precipitation throughout the year, and distinct seasons.

Throughout the year, Anderson experiences temperatures that range from a low of 20.5°F (-6.4°C) to a high of 81.3°F (27.4°C), creating a wide span of weather conditions. The coldest months are typically January and February, with their lowest average temperatures hitting 20.5°F (-6.4°C) and 23.7°F (-4.6°C) respectively. On the other hand, July and August offer the hottest months, with average highs reaching 81.3°F (27.4°C) and 80.1°F (26.7°C).

Precipitation proves consistent in Anderson, with monthly average rainfall from 1.14" (29mm) to 2.68" (68mm). The wettest months tend to occur in the late spring, particularly in May which sees an average of 2.68" (68mm) of rainfall. Snowfall is also a fixture of Anderson's climate, with January and December experiencing the most snowfall at 1.85" (47mm) and 2.17" (55mm) respectively.

Anderson's monthly relative humidities range from 74% to 83%, indicating a generally high level of moisture in the atmosphere throughout the year. Wind speed varies between 5.9mph (9.5km/h) to 10.3mph (16.6km/h), with the windiest months occurring during winter and early spring.

The best time to visit Anderson

The ideal time to visit Anderson largely depends on what visitors seek in terms of weather. If looking to take advantage of warm, sunny days, then June through August affords the most sunshine hours - averaging 10.2 hours a day. The temperatures during this period maintain between 79.3°F (26.3°C) to 81.3°F (27.4°C), creating ideal conditions for a host of outdoor activities. Furthermore, these months experience lower wind speeds, averaging between 6mph (9.7km/h) to 7.3mph (11.7km/h), thus increasing comfort for outside engagements.

The worst time to visit Anderson

Winter months, particularly January and February, might not be desirable for visitors due to cold temperatures and potential snowfall. With temperatures averaging between 20.5°F (-6.4°C) to 36.9°F (2.7°C) and measurable snowfall, outdoor activity becomes limited. In addition, the presence of stronger winds, averaging 10.1mph (16.3km/h) to 10.3mph (16.6km/h), may cause additional discomfort during these colder months.

Spring weather in Anderson

Spring in Anderson spans from March to May. Here, temperatures begin to rise starting from an average low of 33.8°F (1°C) in March to a comfortable high of 71.4°F (21.9°C) in May. Rainfall is common during this period, hitting a peak in May at an average of 2.68" (68mm) distributed over 17.6 days. Meanwhile, wind speeds begin to slow down, dropping from an average of 9.8mph (15.8km/h) in March to 8.2mph (13.2km/h) by May.

Summer weather in Anderson

Anderson's summer - encompassing June through August - brings a combination of high temperatures and long, sunny days. Temperatures fluctuate from an average high of 79.3°F (26.3°C) in June to 81.3°F (27.4°C) in July, accompanied by relative humidity from 79% to 82%. The amount of sunshine increases significantly here, with monthly averages ranging from 10.1 hour to 10.2 hours a day. Despite ample sunshine, summer also brings rain, with June being the wettest month at an average rainfall of 2.48" (63mm).

Autumn weather in Anderson

Autumn weather in Anderson, from September to November, is marked by a decrease in temperature and rainfall. Average high temperatures drop from 74.5°F (23.6°C) in September to 48.6°F (9.2°C) in November. Rainfall also decreases during this period, ranging from 1.38" (35mm) in September to 1.14" (29mm) in November. The number of sunshine hours lessens as well, with November ending at a monthly average of 5.2 hours.

Winter weather in Anderson

Winter in Anderson, spanning December to February, is typically cold with temperatures ranging from an average low of 20.5°F (-6.4°C) in January to an average high of 36.9°F (2.7°C) in February. Snow is frequent in these months - with totals reaching 2.17" (55mm) in December and 1.85" (47mm) in January. Sunshine hours dwindle down, reaching a low of 3.7 hours in December. Winds are on the steeper side, averaging between 9.5mph (15.3km/h) to 10.3mph (16.6km/h) during these months.

Weather in January

January in Anderson, Indiana ushers in the new year with chilly temperatures and relatively high humidity levels. Lows can plummet to 20.5°F (-6.4°C), presenting a frosty start to the year. This is the time of the year where warm clothing becomes a necessity due to icy weather. Weather in January »

Weather in February

Stepping into February, the weather sees a slight but noticeable rise in temperatures. February records the highest snowfall with an average of 2.17" (55mm). Sunshine is still relatively scarce, making outdoor activities less attractive. Weather in February »

Weather in March

Come March, the city of Anderson bids farewell to high volumes of snow. The temperature starts to climb, giving residents the first hint of the upcoming spring. The transition from heavy winter coats to lighter jackets becomes evident as March progresses. Weather in March »

Weather in April

April brings a substantial improvement in the temperature. Residents relish the brighter days, longer daylight hours, and warmer temperatures. As winter utterly retreats, spring activities begin in earnest with the local parks coming to life. Weather in April »

Weather in May

May introduces Anderson to a substantial jump in temperature and rainfall averages. This month is characterized by more rainfall days, around 17.6 on average, compared to previous months. It signals the start of locally grown produce in farmer markets due to favorable weather conditions. Weather in May »

Weather in June

June brings the onset of summer, with a notable increase in sunshine hours, reaching an average of 10.2 hours daily. The city's weather is generally warm, making it ideal for beach and water sports. The thirst of Anderson's flora is quenched by a subtle decrease in rainfall compared to May, allowing for lush greenery. Weather in June »

Weather in July

July marks the zenith of summer, and it stands out as the hottest month. The highest recorded temperature tops at 81.3°F (27.4°C), making air conditioning units a salvation for many. The locals are frequently seen cooling off in Anderson's numerous swimming spots. Weather in July »

Weather in August

August replicates July's hot pattern but with a slight dip in temperature. Although it remains predominantly sunny, the rainfall ensures the city does not dry out. Visitors often find this month ideal for a range of outdoor activities, despite the slightly lower temperature. Weather in August »

Weather in September

September heralds the transition from summer to autumn in Anderson. While the temperatures start to cool down, it does not dampen the enthusiasm for outdoor activities. Bicycle rides become increasingly common as the heat subsides, providing a reprieve to those not keen on too much sunshine. Weather in September »

Weather in October

October fully embraces autumn, presenting considerably cooler temperatures. Pumpkin spice lattes become a common sight due to a more relaxed, crisp weather profile. The fall foliage peaks during this month, giving Anderson a picturesque look draped in hues of gold, orange, and red. Weather in October »

Weather in November

Moving into November, there is a sharp drop in temperature, and winter jackets return from the wardrobe. However, the city's overall ambiance is chilly but still tolerable with an average of 9.3mph (15km/h) wind speed. Despite the drop in temperatures, local parks continue to charm visitors with residual autumn foliage. Weather in November »

Weather in December

December marks the end of the year with the onset of winter. Snowfall returns to grace the city, averaging 2.17" (55mm), setting a winter wonderland scene for Christmas. Streets of Anderson are often seen adorned with festive decorations, reflecting the cheerful spirit despite the cold. Weather in December »
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Frequently asked questions

What is the coldest time of year in Anderson?

The coldest period tends to be January, when average temperatures fluctuate between a high of 32.2°F (0.1°C) and a low of 20.5°F (-6.4°C).

What are the most humid months in Anderson?

The months with the highest humidity are January and December, with an average relative humidity of 83%.

How many days does it rain in Anderson?

Throughout the year, there are 142.1 rainfall days, and 20.91" (531mm) of precipitation is accumulated.

When does it snow in Anderson?

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

How many days does it snow in Anderson?

In Anderson, Indiana, during the entire year, snow falls for 34.7 days and aggregates up to 8.74" (222mm) of snow.

What is the month with the least sunshine in Anderson?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

What are the months with the lowest UV index in Anderson?

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

What is the driest month in Anderson?

February and November are months with the least rain in Anderson, Indiana, when the rain falls for 6.1 days and typically aggregates up to 1.14" (29mm) of rain.

When does it snow the most in Anderson?

The months with the most snowfall are February and December, with an average 2.17" (55mm) of accumulated snow.

When is Daylight Saving Time (DST) in Anderson?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Anderson, 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 in Anderson?

The month with the most rainfall is May, when the rain falls for 17.6 days and typically aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Anderson?

May through September are months without snowfall.

When are the longest days in Anderson?

June has the longest days of the year in Anderson, Indiana, with an average of 15h and 0min of daylight.

What month has the most sunshine in Anderson?

June has the most sunshine of the year in Anderson, Indiana, with an average of 10.2h of sunshine.

What is the month with the highest UV index in Anderson?

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

What month is the hottest in Anderson?

The warmest temperatures occur during July, when averages reach a peak of 81.3°F (27.4°C) and a low of 64.8°F (18.2°C).

What is the least humid month in Anderson?

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

What is the month with the shortest days in Anderson?

The month with the shortest days in Anderson is December, with an average of 9h and 24min of daylight.

Average temperature
Anderson, IN

Average temperature - Anderson, IN

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.2°F).

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure
Anderson, IN

Average pressure - Anderson, IN

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Anderson, IN

Average wind speed - Anderson, IN

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity
Anderson, IN

Average humidity - Anderson, IN

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Anderson, IN

Average rainfall - Anderson, IN

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are February and November (1.14").

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Average rainfall days
Anderson, IN

Average rainfall days - Anderson, IN

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.1 days).

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Average snowfall
Anderson, IN

Average snowfall - Anderson, IN

The months with the highest snowfall are February and December (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Anderson, IN

Average snowfall days - Anderson, IN

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Anderson, IN

Average daylight / Average sunshine - Anderson, IN

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days
Anderson, IN

Average sunshine days - Anderson, IN

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index
Anderson, IN

Average UV index - Anderson, IN

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, October, November and December (UV index 2).

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Average visibility
Anderson, IN

Average visibility - Anderson, IN

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

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Anderson, Indiana, USA

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