March weather forecast
Sammamish, WA

Dense pine tree cover and houses in the town of Sammamish, Washington, in the Pine Lake area
Dense pine tree cover and houses in the town of Sammamish, Washington, in the Pine Lake area

Weather in March

March, the first month of the spring in Sammamish, is a cool month, with an average temperature varying between 50°F (10°C) and 36.1°F (2.3°C).

Temperature

In Sammamish, the average high-temperature in March is almost the same as in February - a cool 50°F (10°C). In March, the average low-temperature is 36.1°F (2.3°C).

Humidity

In Sammamish, the average relative humidity in March is 83%.

Rainfall

In Sammamish, during 14.8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Sammamish, during the entire year, the rain falls for 136.7 days and collects up to 13.39" (340mm) of precipitation.

Snowfall

Months with snowfall in Sammamish are January through April, November and December. In Sammamish, during 2 snowfall days, 0.63" (16mm) of snow is typically accumulated. Throughout the year, in Sammamish, Washington, there are 9.3 snowfall days, and 3.27" (83mm) of snow is accumulated.

Daylight

In Sammamish, the average length of the day in March is 11h and 57min.
On the first day of March in Sammamish, Washington, sunrise is at 6:48 am and sunset at 5:52 pm PST. On the last day of the month, sunrise is at 6:48 am and sunset at 7:36 pm PDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

The average sunshine in March is 6.1h.

UV index

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in March interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in March in Sammamish?

In March, in Sammamish, the average high-temperature is 50°F (10°C), and the average low-temperature is 36.1°F (2.3°C).

What is the average humidity in March in Sammamish?

In March, the average relative humidity is 83%.

How much does it rain in Sammamish in March?

In March, in Sammamish, Washington, the rain falls for 14.8 days. Throughout March, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in March in Sammamish?

In Sammamish, Washington, in March, during 2 snowfall days, 0.63" (16mm) of snow is typically accumulated.

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

In Sammamish, the average day length in March is 11h and 57min.

What time are sunrise and sunset in March in Sammamish?

In March, on the first day of the month, sunrise is at 6:48 am and sunset at 5:52 pm PST. On the last day of the month, in Sammamish, Washington, sunrise is at 6:48 am and sunset at 7:36 pm PDT.

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

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Sammamish, and the time zone changes from PST to PDT. DST ends Sunday, November 5. 2023, at 2:00 am.

How long on average sun shines in March in Sammamish?

In Sammamish, Washington, the average sunshine duration in March is 6.1h.

What is the UV index intensity in March in Sammamish?

The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Sammamish, WA

Average temperature in March - Sammamish, WA
  • Average high temperature in March: 50°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in March: 36.1°F

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).

[Resources]

Average pressure in March
Sammamish, WA

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

[Resources]

Average wind speed in March
Sammamish, WA

Average wind speed in March - Sammamish, WA
  • Average wind speed in March: 4.8mph

The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

[Resources]

Average humidity in March
Sammamish, WA

Average humidity in March - Sammamish, WA
  • Average humidity in March: 83%

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (70%).

[Resources]

Average rainfall in March
Sammamish, WA

Average rainfall in March - Sammamish, WA
  • Average rainfall in March: 1.3"

The wettest month (with the highest rainfall) is December (1.85").
The driest months (with the least rainfall) are July and August (0.35").

[Resources]

Average rainfall days in March
Sammamish, WA

Average rainfall days in March - Sammamish, WA
  • Average rainfall days in March: 14.8 days

The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (5.2 days).

[Resources]

Average snowfall in March
Sammamish, WA

Average snowfall in March - Sammamish, WA
  • Average snowfall in March: 0.63"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in March
Sammamish, WA

Average snowfall days in March - Sammamish, WA
  • Average snowfall days in March: 2 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

[Resources]

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

Average daylight in March / Average sunshine in March - Sammamish, WA
  • Average daylight in March: 11h and 57min

The month with the longest days is June (Average daylight: 15h and 55min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in March: 6h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

[Resources]

Average sunshine days in March
Sammamish, WA

Average sunshine days in March - Sammamish, WA
  • Average sunshine days in March: 14.3 days

The month with the most sunshine days is August (24 days).
The month with the least sunshine days is November (13.5 days).

[Resources]

Average UV index in March
Sammamish, WA

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in March
Sammamish, WA

Average cloud cover in March - Sammamish, WA
  • Average cloud cover in March: 54

The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).

[Resources]

Average visibility in March
Sammamish, WA

Average visibility in March - Sammamish, WA
  • Average visibility in March: 5mi

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location