March weather forecast
Washington, IL

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Weather in March

The first month of the spring, March, is a chilly month in Washington, Illinois, with an average temperature varying between 48.6°F (9.2°C) and 33.8°F (1°C).

Temperature

The beginning of March marks a shift in the average high-temperature, moving from February's icy 35.2°F (1.8°C) to a chilly 48.6°F (9.2°C). Throughout March, Washington experiences a low-temperature average of 33.8°F (1°C).

Humidity

The average relative humidity in March is 75%.

Rainfall

In March, in Washington, the rain falls for 11.1 days. Throughout March, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in Washington, there are 128.3 rainfall days, and 19.13" (486mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Washington, in March, snow falls for 3.4 days, with typically accumulated 1.3" (33mm) of snow. In Washington, during the entire year, snow falls for 29.2 days and aggregates up to 9.13" (232mm) of snow.

Daylight

The average length of the day in March in Washington is 11h and 58min.
On the first day of the month, sunrise is at 6:30 am and sunset at 5:49 pm CST. On the last day of March, in Washington, sunrise is at 6:41 am and sunset at 7:21 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

The average sunshine in March is 6.5h.

UV index

The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 3 in March translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March in Washington?

In Washington, in March, the average high-temperature is 48.6°F (9.2°C), and the average low-temperature is 33.8°F (1°C).

What is the average humidity in March in Washington?

The average relative humidity in March in Washington, Illinois, is 75%.

How many days does it rain in March in Washington?

In Washington, in March, it is raining for 11.1 days, with typically 1.46" (37mm) of accumulated precipitation.

How much does it snow in Washington in March?

In Washington, during March, snow falls for 3.4 days and regularly aggregates up to 1.3" (33mm) of snow.

What is the average length of the day in March in Washington?

In Washington, Illinois, the average day length in March is 11h and 58min.

What time are sunrise and sunset in March in Washington?

On the first day of March in Washington, Illinois, sunrise is at 6:30 am and sunset at 5:49 pm CST. On the last day of the month, sunrise is at 6:41 am and sunset at 7:21 pm CDT.

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

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 long on average sun shines in March in Washington?

In March, the average sunshine duration in Washington, Illinois, is 6.5h.

How high is the UV index in March in Washington?

The average daily maximum UV index in March in Washington, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Washington, IL

Average temperature in March - Washington, IL
  • Average high temperature in March: 48.6°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in March: 33.8°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in March
Washington, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in March
Washington, IL

Average wind speed in March - Washington, IL
  • Average wind speed in March: 10.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in March
Washington, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Washington, IL

Average rainfall in March - Washington, IL
  • Average rainfall in March: 1.46"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in March
Washington, IL

Average rainfall days in March - Washington, IL
  • Average rainfall days in March: 11.1 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in March
Washington, IL

Average snowfall in March - Washington, IL
  • Average snowfall in March: 1.3"

The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Washington, IL

Average snowfall days in March - Washington, IL
  • Average snowfall days in March: 3.4 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

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 18min).

  • Average sunshine in March: 6h and 3min

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 54min).

Average sunshine days in March
Washington, IL

Average sunshine days in March - Washington, IL
  • Average sunshine days in March: 16.4 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in March
Washington, IL

Average UV index in March - Washington, 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).

Average cloud cover in March
Washington, IL

Average cloud cover in March - Washington, IL
  • Average cloud cover in March: 48

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in March
Washington, IL

Average visibility in March - Washington, 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).

Washington, Illinois, USA

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