April weather forecast and climate
Portland, ND

April is a fresh spring month in Portland, North Dakota, with average temperature varying between 35.1°F (1.7°C) and 50.2°F (10.1°C).

Temperature

In April, the average high-temperature increases considerably, from a wintry 34.2°F (1.2°C) in March, to a fresh 50.2°F (10.1°C). In Portland, in April, the average low-temperature is 35.1°F (1.7°C).

Humidity

In Portland, North Dakota, the average relative humidity in April is 67%.

Rainfall

In Portland, during April, the rain falls for 10.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 101.8 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Portland. In Portland, snow falls for 5.3 days, with typically accumulated 2.36" (60mm) of snow. Throughout the year, there are 66.9 snowfall days, and 20.43" (519mm) of snow is accumulated.

Daylight

In Portland, the average length of the day in April is 13.7h.

Sunshine

The average sunshine in Portland is 6.9h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Portland?

The average high-temperature, in April, in Portland, North Dakota, is 50.2°F (10.1°C), while the average low-temperature is 35.1°F (1.7°C).

What is the average humidity in April in Portland?

In April, the average relative humidity is 67%.

How many days does it rain in April in Portland?

In Portland, in April, during 10.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How much does it snow in Portland in April?

In Portland, in April, during 5.3 snowfall days, 2.36" (60mm) of snow is typically accumulated.

What is the average length of the day in April in Portland?

In Portland, the average length of the day in April is 13.7h.

How many hours of sunshine does Portland have in April?

The average sunshine in April in Portland, North Dakota, is 6.9h.

What is the UV index intensity in April in Portland?

In Portland, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in April - Portland, ND
  • Average high temperature in April: 10.1°C

The warmest months (with the highest average high temperature) are July and August (26.9°C).
The month with the lowest average high temperature is January (-9.1°C).

  • Average low temperature in April: 1.7°C

The month with the highest average low temperature is July (15.7°C).
The coldest month (with the lowest average low temperature) is January (-16.8°C).

Average pressure in April - Portland, ND
  • Average pressure in April: 1015.3mbar

The month with the highest atmospheric pressure is February (1021.7mbar).
The month with the lowest atmospheric pressure is June (1011.1mbar).

Average wind speed in April - Portland, ND
  • Average wind speed in April: 16.7km/h

The windiest month (with the highest average wind speed) is October (17.6km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).

Average humidity in April - Portland, ND
  • Average humidity in April: 67%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).

Average rainfall in April - Portland, ND
  • Average rainfall in April: 38mm

The wettest month (with the highest rainfall) is June (89mm).
The driest months (with the least rainfall) are January and February (14mm).

Average rainfall days in April - Portland, ND
  • Average rainfall days in April: 10.4 days

The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in April - Portland, ND
  • Average snowfall in April: 60mm

The month with the highest snowfall is December (108mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April - Portland, ND
  • Average snowfall days in April: 5.3 days

The month with the highest number of snowfall days is December (14 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April / Average sunshine in April - Portland, ND
  • Average daylight in April: 13.7h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in April: 6.9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 3.3h).

Average sunshine days in April - Portland, ND
  • Average sunshine days in April: 14.2 days

The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in April - Portland, ND
  • Average UV index in April: 3

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in April - Portland, ND
  • Average cloud cover in April: 52

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in April - Portland, ND
  • Average visibility in April: 9km

Months with the highest visibility are May, August and September (10km).
Months with the lowest visibility are January, February, March and December (8km).