March weather forecast
Kennewick, WA

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Yellow night lights on the pillars of the iconic Benton Franklin Intercounty Bridge passing over the Columbia River in Kennewick, Washington
Yellow night lights on the pillars of the iconic Benton Franklin Intercounty Bridge passing over the Columbia River in Kennewick, Washington

Weather in March

March ushers in early signs of springs in Kennewick, with the weather becoming more forgiving. The city encounters a notable leap in terms of temperatures, with highs soaring to about 54.1°F (12.3°C).Humidity levels start to drop and winds gain momentum, making the outdoors more pleasant. The city in March is picturesque, with melting snow revealing greener landscapes. Sunshine graces the city more often, painting a brighter and more vibrant Kennewick.

Temperature

With the arrival of March, the average high-temperature transitions from a chilly 45.1°F (7.3°C) in February to a cool 54.1°F (12.3°C). March nights are marked by an average low-temperature of 38.3°F (3.5°C).

Humidity

In Kennewick, the average relative humidity in March is 64%.

Rainfall

The wettest months are March and December, with an average 0.94" (24mm) of rainfall.

Snowfall

Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 0.8 snowfall days, in March, Kennewick aggregates 0.24" (6mm) of snow. Throughout the year, there are 9.7 snowfall days, and 5.2" (132mm) of snow is accumulated.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:33 am and sunset at 5:43 pm PST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:24 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

In March, the average sunshine is 7.7h.

UV index

The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: During March, 3 as the daily maximum UV index converts into the following advice:
Make use of precautions - It is urged to ward off sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Kennewick in March?

The high-temperature, in March, in Kennewick, is 54.1°F (12.3°C), while the low-temperature averages to 38.3°F (3.5°C).

What is the average humidity in March?

In Kennewick, Washington, the average relative humidity in March is 64%.

What is the wettest month?

The wettest months are March and December, with an average 0.94" (24mm) of rainfall.

How many days does it rain in March?

In March, the rain falls for 13.3 days. Throughout March, 0.94" (24mm) of precipitation is accumulated.

What is the last month it snows?

March is the last month it regularly snows. During 0.8 snowfall days, in March, Kennewick aggregates 0.24" (6mm) of snow.

What is the average length of the day in March?

The average day length in March is 11h and 58min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:33 am and sunset at 5:43 pm PST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:24 pm PDT.

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

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

How many hours of sunshine does Kennewick have in March?

In Kennewick, the average sunshine duration in March is 7.7h.

What is the UV index reading in March?

In Kennewick, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Kennewick, WA

Average temperature in March - Kennewick, WA
  • Average high temperature in March: 54.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in March: 38.3°F

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

Average pressure in March
Kennewick, WA

Average pressure in March - Kennewick, WA
  • Average pressure in March: 30.01"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in March
Kennewick, WA

Average wind speed in March - Kennewick, WA
  • Average wind speed in March: 8.1mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

Average humidity in March
Kennewick, WA

Average humidity in March - Kennewick, WA
  • Average humidity in March: 64%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).

Average rainfall in March
Kennewick, WA

Average rainfall in March - Kennewick, WA
  • Average rainfall in March: 0.94"

The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in March
Kennewick, WA

Average rainfall days in March - Kennewick, WA
  • Average rainfall days in March: 13.3 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).

Average snowfall in March
Kennewick, WA

Average snowfall in March - Kennewick, WA
  • Average snowfall in March: 0.24"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in March
Kennewick, WA

Average snowfall days in March - Kennewick, WA
  • Average snowfall days in March: 0.8 days

The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in March /
Average sunshine in March
Kennewick, WA

Average daylight in March / Average sunshine in March - Kennewick, WA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in March: 7h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in March
Kennewick, WA

Average sunshine days in March - Kennewick, WA
  • Average sunshine days in March: 15.4 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).

Average UV index in March
Kennewick, WA

Average UV index in March - Kennewick, WA
  • Average UV index in March: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in March
Kennewick, WA

Average cloud cover in March - Kennewick, WA
  • Average cloud cover in March: 39

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in March
Kennewick, WA

Average visibility in March - Kennewick, WA
  • Average visibility in March: 6mi

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).

Kennewick, Washington, USA

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