March weather forecast
Cosmopolis, WA

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Weather in March

March, the first month of the spring in Cosmopolis, is a fresh month, with an average temperature varying between 37.8°F (3.2°C) and 50.4°F (10.2°C).

Temperature

March's onset sees an average high-temperature of a cool 50.4°F (10.2°C), exhibiting a slight fluctuation from the previous month. March nights observe an average temperature dip to a wintry 37.8°F (3.2°C).

Humidity

In March, the average relative humidity is 86%.

Rainfall

In March, the rain falls for 13.6 days. Throughout March, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 113.5 rainfall days, and 10.24" (260mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March. March is the last month it regularly snows. During 0.6 snowfall days, in March, Cosmopolis aggregates 0.16" (4mm) of snow. In Cosmopolis, during the entire year, snow falls for 3 days and aggregates up to 0.71" (18mm) of snow.

Daylight

The average length of the day in March is 11h and 57min.
On the first day of March, sunrise is at 6:53 am and sunset at 6:01 pm PST. On the last day of the month, sunrise is at 6:54 am and sunset at 7:43 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 5.3h.

UV index

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in March interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March in Cosmopolis?

The high-temperature, in March, in Cosmopolis, records 50.4°F (10.2°C), while the low-temperature is 37.8°F (3.2°C).

What is the average humidity in March?

In March, the average relative humidity is 86%.

How much does it rain in March?

In Cosmopolis, during March, the rain falls for 13.6 days and regularly aggregates up to 0.83" (21mm) of precipitation.

What is the last month it snows in Cosmopolis?

March is the last month it regularly snows. During 0.6 snowfall days, in March, Cosmopolis aggregates 0.16" (4mm) of snow.

How many hours of daylight does Cosmopolis have in March?

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

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:53 am and sunset at 6:01 pm PST. On the last day of the month, sunrise is at 6:54 am and sunset at 7:43 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cosmopolis, 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 Cosmopolis have in March?

In Cosmopolis, the average sunshine duration in March is 5.3h.

What is the UV index reading in March?

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

Average temperature in March - Cosmopolis, WA
  • Average high temperature in March: 50.4°F

The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in March: 37.8°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).

Average pressure in March
Cosmopolis, WA

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

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

Average wind speed in March
Cosmopolis, WA

Average wind speed in March - Cosmopolis, WA
  • Average wind speed in March: 6.3mph

The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

Average humidity in March
Cosmopolis, WA

Average humidity in March - Cosmopolis, WA
  • Average humidity in March: 86%

The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (78%).

Average rainfall in March
Cosmopolis, WA

Average rainfall in March - Cosmopolis, WA
  • Average rainfall in March: 0.83"

The wettest month (with the highest rainfall) is January (1.93").
The driest months (with the least rainfall) are July and August (0.12").

Average rainfall days in March
Cosmopolis, WA

Average rainfall days in March - Cosmopolis, WA
  • Average rainfall days in March: 13.6 days

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).

Average snowfall in March
Cosmopolis, WA

Average snowfall in March - Cosmopolis, WA
  • Average snowfall in March: 0.16"

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in March
Cosmopolis, WA

Average snowfall days in March - Cosmopolis, WA
  • Average snowfall days in March: 0.6 days

The month with the highest number of snowfall days is February (1.3 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
Cosmopolis, WA

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in March: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in March
Cosmopolis, WA

Average sunshine days in March - Cosmopolis, WA
  • Average sunshine days in March: 14.1 days

The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are February and March (14.1 days).

Average UV index in March
Cosmopolis, WA

Average UV index in March - Cosmopolis, 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).

Average cloud cover in March
Cosmopolis, WA

Average cloud cover in March - Cosmopolis, WA
  • Average cloud cover in March: 61

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in March
Cosmopolis, WA

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

The months with the highest visibility are February, March, April, May, June and November (5mi).
The months with the lowest visibility are January, July, August, September, October and December (4mi).

Cosmopolis, Washington, USA

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