March weather forecast
Chatham, IL

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Weather in March

March, the first month of the spring in Chatham, is a cool month, with an average temperature fluctuating between 51.4°F (10.8°C) and 36°F (2.2°C).

Temperature

As Chatham welcomes March, the average high-temperature sees a rise, transitioning from a wintry 38.3°F (3.5°C) in February to a fresh 51.4°F (10.8°C). During March, the nighttime temperature in Chatham averages to a wintry 36°F (2.2°C).

Humidity

In Chatham, the average relative humidity in March is 75%.

Rainfall

In March, in Chatham, the rain falls for 8.9 days. Throughout March, 0.71" (18mm) of precipitation is accumulated. In Chatham, Illinois, during the entire year, the rain falls for 104.2 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In March, it is snowing for 2.3 days. Throughout March, 0.31" (8mm) of snow is accumulated. In Chatham, during the entire year, snow falls for 18.6 days and aggregates up to 2.68" (68mm) of snow.

Daylight

In Chatham, Illinois, the average length of the day in March is 11h and 59min.
On the first day of March in Chatham, sunrise is at 6:30 am and sunset at 5:51 pm CST. On the last day of the month, sunrise is at 6:43 am and sunset at 7:22 pm CDT.
Note: 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 lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In Chatham, the average sunshine in March is 6.6h.

UV index

In Chatham, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 3 during March morphs into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are March temperatures in Chatham?

In March, in Chatham, the average high-temperature is 51.4°F (10.8°C), and the average low-temperature is 36°F (2.2°C).

What is the average humidity in March in Chatham?

In Chatham, the average relative humidity in March is 75%.

How many days does it rain in March in Chatham?

In Chatham, in March, it is raining for 8.9 days, with typically 0.71" (18mm) of accumulated precipitation.

How many days does it snow in March in Chatham?

In Chatham, Illinois, in March, during 2.3 snowfall days, 0.31" (8mm) of snow is typically accumulated.

How many hours of daylight does Chatham have in March?

The average day length in March in Chatham is 11h and 59min.

When are sunrise and sunset in March in Chatham?

In March, on the first day of the month, sunrise is at 6:30 am and sunset at 5:51 pm CST. On the last day of the month, in Chatham, Illinois, sunrise is at 6:43 am and sunset at 7:22 pm CDT.

When does Daylight Saving Time (DST) start in March in Chatham?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Chatham have in March?

The average sunshine duration in March in Chatham, Illinois, is 6.6h.

What is the UV index reading in March in Chatham?

In Chatham, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Chatham, IL

Average temperature in March - Chatham, IL
  • Average high temperature in March: 51.4°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in March: 36°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure in March
Chatham, IL

Average pressure in March - Chatham, IL
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in March
Chatham, IL

Average wind speed in March - Chatham, IL
  • Average wind speed in March: 10mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in March
Chatham, IL

Average humidity in March - Chatham, IL
  • Average humidity in March: 75%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in March
Chatham, IL

Average rainfall in March - Chatham, IL
  • Average rainfall in March: 0.71"

The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.43").

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Average rainfall days in March
Chatham, IL

Average rainfall days in March - Chatham, IL
  • Average rainfall days in March: 8.9 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.4 days).

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Average snowfall in March
Chatham, IL

Average snowfall in March - Chatham, IL
  • Average snowfall in March: 0.31"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
Chatham, IL

Average snowfall days in March - Chatham, IL
  • Average snowfall days in March: 2.3 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in March /
Average sunshine in March
Chatham, IL

Average daylight in March / Average sunshine in March - Chatham, IL
  • Average daylight in March: 12h and 0min

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

  • Average sunshine in March: 6h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in March
Chatham, IL

Average sunshine days in March - Chatham, IL
  • Average sunshine days in March: 18.6 days

The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14 days).

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Average UV index in March
Chatham, IL

Average UV index in March - Chatham, IL
  • Average UV index in March: 3

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).

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Average cloud cover in March
Chatham, IL

Average cloud cover in March - Chatham, IL
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).

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Average visibility in March
Chatham, IL

Average visibility in March - Chatham, IL
  • Average visibility in March: 6mi

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

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Chatham, Illinois, USA

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