March weather forecast
Rock Island, WA

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Weather in March

March, the first month of the spring in Rock Island, is a chilly month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 45.3°F (7.4°C).

Temperature

In Rock Island, the average high-temperature in March rises, from a wintry 36.3°F (2.4°C) in February, to a chilly 45.3°F (7.4°C). Throughout March, Rock Island records an average temperature of 29.7°F (-1.3°C) at night.

Humidity

The average relative humidity in March is 77%.

Rainfall

In March, the rain falls for 13.8 days. Throughout March, 1.18" (30mm) of precipitation is accumulated. In Rock Island, during the entire year, the rain falls for 111.7 days and collects up to 10.71" (272mm) of precipitation.

Snowfall

January through April, September, November and December are months with snowfall. In Rock Island, in March, during 3.5 snowfall days, 2.05" (52mm) of snow is typically accumulated. Throughout the year, in Rock Island, there are 31.6 snowfall days, and 18.86" (479mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 57min.
On the first day of the month, sunrise is at 6:38 am and sunset at 5:46 pm PST. On the last day of March, in Rock Island, sunrise is at 6:39 am and sunset at 7:29 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

The average sunshine in March is 7.8h.

UV index

The average daily maximum UV index in March in Rock Island is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In March, a daily maximum UV index of 3 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the temperature in March in Rock Island?

The high-temperature, in March, in Rock Island, records 45.3°F (7.4°C), while the low-temperature is 29.7°F (-1.3°C).

What is the average humidity in March in Rock Island?

In Rock Island, Washington, the average relative humidity in March is 77%.

How many days does it rain in March in Rock Island?

In Rock Island, Washington, during March, the rain falls for 13.8 days and regularly aggregates up to 1.18" (30mm) of precipitation.

How much does it snow in Rock Island in March?

In Rock Island, in March, snow falls for 3.5 days, with typically accumulated 2.05" (52mm) of snow.

How many hours of daylight does Rock Island have in March?

In Rock Island, Washington, the average day length in March is 11h and 57min.

When is the sunrise / sunset in March in Rock Island?

On the first day of March in Rock Island, Washington, sunrise is at 6:38 am and sunset at 5:46 pm PST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:29 pm PDT.

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

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 long on average sun shines in March in Rock Island?

The average sunshine duration in March in Rock Island, Washington, is 7.8h.

What is the UV index reading in March in Rock Island?

In March, the average daily maximum UV index in Rock Island is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Rock Island, WA

Average temperature in March - Rock Island, WA
  • Average high temperature in March: 45.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in March: 29.7°F

The month with the highest average low temperature is August (56.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

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Average pressure in March
Rock Island, WA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

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Average wind speed in March
Rock Island, WA

Average wind speed in March - Rock Island, WA
  • Average wind speed in March: 5mph

The windiest month (with the highest average wind speed) is June (6.5mph).
The calmest month (with the lowest average wind speed) is December (3.7mph).

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Average humidity in March
Rock Island, WA

Average humidity in March - Rock Island, WA
  • Average humidity in March: 77%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (44%).

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Average rainfall in March
Rock Island, WA

Average rainfall in March - Rock Island, WA
  • Average rainfall in March: 1.18"

The wettest months (with the highest rainfall) are January and December (1.57").
The driest months (with the least rainfall) are July and August (0.24").

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Average rainfall days in March
Rock Island, WA

Average rainfall days in March - Rock Island, WA
  • Average rainfall days in March: 13.8 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (3.8 days).

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Average snowfall in March
Rock Island, WA

Average snowfall in March - Rock Island, WA
  • Average snowfall in March: 2.05"

The month with the highest snowfall is December (5.98").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in March
Rock Island, WA

Average snowfall days in March - Rock Island, WA
  • Average snowfall days in March: 3.5 days

The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight in March /
Average sunshine in March
Rock Island, WA

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

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: 7h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in March
Rock Island, WA

Average sunshine days in March - Rock Island, WA
  • Average sunshine days in March: 13.5 days

The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (12.6 days).

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Average UV index in March
Rock Island, WA

Average UV index in March - Rock Island, WA
  • Average UV index in March: 3

The month with the highest UV index is July (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
Rock Island, WA

Average cloud cover in March - Rock Island, WA
  • Average cloud cover in March: 39

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in March
Rock Island, WA

Average visibility in March - Rock Island, WA
  • Average visibility in March: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).

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Rock Island, Washington, USA

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