March weather forecast and climate
Portal, AZ

Weather in March

The first month of the spring, March, is a pleasant month in Portal, Arizona, with average temperature ranging between min 46.4°F (8°C) and max 68.2°F (20.1°C).

Temperature

In March, the average high-temperature slightly increases, from a mild 59.9°F (15.5°C) in February, to an agreeable 68.2°F (20.1°C). In March, in Portal, the average low-temperature is 46.4°F (8°C).

Humidity

The average relative humidity in Portal is 29%.

Rainfall

In Portal, in March, during 3.8 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, there are 73.4 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 0.2 snowfall days, Portal aggregates 0.04" (1mm) of snow. In Portal, during the entire year, snow falls for 3.5 days, and aggregates up to 1.3" (33mm) of snow.

Daylight

The average length of the day in Portal is 12h.

Sunshine

The average sunshine in Portal is 9.2h.

UV index

In March, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 5 in March transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in March in Portal?

The average high-temperature, in March, in Portal, is 68.2°F (20.1°C), while the average low-temperature is 46.4°F (8°C).

What is the average humidity in March in Portal?

In March, the average relative humidity in Portal, Arizona, is 29%.

How many days does it rain in March in Portal?

In Portal, Arizona, in March, it is raining for 3.8 days, with typically 0.24" (6mm) of accumulated precipitation.

What is the last month it snows in Portal?

March is the last month it regularly snows in Portal, Arizona. During 0.2 snowfall days, in March, Portal aggregates 0.04" (1mm) of snow.

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

In March, the average length of the day is 12h.

How long on average sun shines in March in Portal?

The average sunshine in March in Portal is 9.2h.

How high is the UV index in March in Portal?

The average daily maximum UV index in March in Portal, Arizona, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in March
Portal, AZ

Average temperature in March - Portal, AZ
  • Average high temperature in March: 68.2°F

The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in March: 46.4°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

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Average pressure in March
Portal, AZ

Average pressure in March - Portal, AZ
  • Average pressure in March: 29.98"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in March
Portal, AZ

Average wind speed in March - Portal, AZ
  • Average wind speed in March: 9.8mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).

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Average humidity in March
Portal, AZ

Average humidity in March - Portal, AZ
  • Average humidity in March: 29%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is May (21%).

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Average rainfall in March
Portal, AZ

Average rainfall in March - Portal, AZ
  • Average rainfall in March: 0.24"

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is April (0.12").

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Average rainfall days in March
Portal, AZ

Average rainfall days in March - Portal, AZ
  • Average rainfall days in March: 3.8 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is May (2.1 days).

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Average snowfall in March
Portal, AZ

Average snowfall in March - Portal, AZ
  • Average snowfall in March: 0.04"

The month with the highest snowfall is December (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in March
Portal, AZ

Average snowfall days in March - Portal, AZ
  • Average snowfall days in March: 0.2 days

The month with the highest number of snowfall days is December (1.5 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Portal, AZ

Average daylight in March / Average sunshine in March - Portal, AZ
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in March: 9.2h

The month with the most sunshine is June (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in March
Portal, AZ

Average sunshine days in March - Portal, AZ
  • Average sunshine days in March: 26.8 days

The month with the most sunshine days is May (28.5 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in March
Portal, AZ

Average UV index in March - Portal, AZ
  • Average UV index in March: 5

Months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in March
Portal, AZ

Average cloud cover in March - Portal, AZ
  • Average cloud cover in March: 15

Months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 8).

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Average visibility in March
Portal, AZ

Average visibility in March - Portal, AZ
  • Average visibility in March: 6mi

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

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