March weather forecast
Issaquah, WA

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Weather in March

Moving into March, Issaquah begins to experience transitional weather. Compared to February, you will notice an improvement in visibility, increasing from 4 mi to 5 mi. The city indulges in longer daylight hours, now reaching nearly 12, and fewer days with snowfall, going down to 0.8. Despite these changes, rainfall days increase to peak at 14.8 days--the highest number in the year. It’s important not to be deceived by the budding sunshine, as the weather remains quite unpredictable.

Temperature

March brings an average high-temperature of a fresh 50°F (10°C), nearly identical to the preceding month. During the month of March, an average temperature of 35.4°F (1.9°C) is noted during the nights in Issaquah, Washington.

Humidity

The average relative humidity in March is 84%.

Rainfall

In Issaquah, Washington, in March, it is raining for 14.8 days, with typically 1.22" (31mm) of accumulated precipitation. In Issaquah, during the entire year, the rain falls for 127.4 days and collects up to 12.52" (318mm) of precipitation.

Snowfall

Months with snowfall in Issaquah are January through April, November and December. In Issaquah, in March, during 0.8 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Issaquah, during the entire year, snow falls for 5.9 days and aggregates up to 1.93" (49mm) of snow.

Daylight

In March, the average length of the day is 11h and 57min.
On the first day of the month, sunrise is at 6:46 am and sunset at 5:53 pm PST. On the last day of March, in Issaquah, sunrise is at 6:46 am and sunset at 7:37 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 5.9h.

UV index

In March, the average daily maximum UV index in Issaquah is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during March translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the average March temperature in Issaquah?

In March, the average high-temperature and low-temperature in Issaquah are 50°F (10°C) and 35.4°F (1.9°C) respectively.

What is the average humidity in March in Issaquah?

The average relative humidity in March in Issaquah is 84%.

How much does it rain in Issaquah in March?

In Issaquah, in March, it is raining for 14.8 days, with typically 1.22" (31mm) of accumulated precipitation.

How many days does it snow in March in Issaquah?

In Issaquah, during March, snow falls for 0.8 days and regularly aggregates up to 0.12" (3mm) of snow.

How many hours of daylight does Issaquah have in March?

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

What time are sunrise and sunset in March in Issaquah?

On the first day of March in Issaquah, sunrise is at 6:46 am and sunset at 5:53 pm PST. On the last day of the month, sunrise is at 6:46 am and sunset at 7:37 pm PDT.

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

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

How long on average sun shines in March in Issaquah?

The average sunshine duration in March is 5.9h.

What is the UV index reading in March in Issaquah?

The average daily maximum UV index in March in Issaquah is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Issaquah, WA

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

The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in March: 35.4°F

The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (33.4°F).

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Average pressure in March
Issaquah, WA

Average pressure in March - Issaquah, 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).

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Average wind speed in March
Issaquah, WA

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

The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

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Average humidity in March
Issaquah, WA

Average humidity in March - Issaquah, WA
  • Average humidity in March: 84%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in March
Issaquah, WA

Average rainfall in March - Issaquah, WA
  • Average rainfall in March: 1.22"

The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in March
Issaquah, WA

Average rainfall days in March - Issaquah, 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 (4.3 days).

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Average snowfall in March
Issaquah, WA

Average snowfall in March - Issaquah, WA
  • Average snowfall in March: 0.12"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
Issaquah, WA

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

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in March / Average sunshine in March - Issaquah, WA
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in March: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

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Average sunshine days in March
Issaquah, WA

Average sunshine days in March - Issaquah, WA
  • Average sunshine days in March: 13.3 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is February (12.9 days).

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Average UV index in March
Issaquah, WA

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

The month with the highest UV index is July (UV index 5).
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
Issaquah, WA

Average cloud cover in March - Issaquah, WA
  • Average cloud cover in March: 56

The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in March
Issaquah, WA

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

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Issaquah, Washington, USA

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