May weather forecast and climate
Marion, ND

The last month of the spring, May, is a comfortable month in Marion, North Dakota, with average temperature varying between 46.9°F (8.3°C) and 64.6°F (18.1°C).

Temperature

In May, the average high-temperature significantly increases, from a fresh 50°F (10°C) in April, to an enjoyable 64.6°F (18.1°C). In May, in Marion, the average low-temperature is 46.9°F (8.3°C).

Humidity

In May, the average relative humidity in Marion is 65%.

Rainfall

In Marion, North Dakota, during May, the rain falls for 13.8 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, in Marion, there are 94.8 rainfall days, and 14.92" (379mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, Marion aggregates 0.08" (2mm) of snow. In Marion, during the entire year, snow falls for 64.2 days, and aggregates up to 15.04" (382mm) of snow.

Daylight

The average length of the day in May is 15.1h.

Sunshine

The average sunshine in Marion is 8.6h.

UV index

In May, the average daily maximum UV index in Marion, North Dakota, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Marion?

In May, the average high-temperature is 64.6°F (18.1°C), and the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in May in Marion?

In Marion, North Dakota, the average relative humidity in May is 65%.

How much does it rain in Marion in May?

In Marion, North Dakota, during May, the rain falls for 13.8 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the last month it snows in Marion?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Marion aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Marion?

In Marion, North Dakota, the average length of the day in May is 15.1h.

How long on average sun shines in May in Marion?

The average sunshine in May in Marion is 8.6h.

How high is the UV index in May in Marion?

The average daily maximum UV index in May in Marion, North Dakota, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Marion, ND
  • Average high temperature in May: 18.1°C

The warmest month (with the highest average high temperature) is July (27°C).
The month with the lowest average high temperature is January (-8.3°C).

  • Average low temperature in May: 8.3°C

The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is January (-15.9°C).

Average pressure in May - Marion, ND
  • Average pressure in May: 1013.6mbar

The month with the highest atmospheric pressure is February (1021.9mbar).
The month with the lowest atmospheric pressure is June (1011mbar).

Average wind speed in May - Marion, ND
  • Average wind speed in May: 16.5km/h

The windiest month (with the highest average wind speed) is October (18.3km/h).
The calmest months (with the lowest average wind speed) are July and August (13.7km/h).

Average humidity in May - Marion, ND
  • Average humidity in May: 65%

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

Average rainfall in May - Marion, ND
  • Average rainfall in May: 48mm

The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is January (10mm).

Average rainfall days in May - Marion, ND
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (1.5 days).

Average snowfall in May - Marion, ND
  • Average snowfall in May: 2mm

The month with the highest snowfall is December (79mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Marion, ND
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is December (13.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Marion, ND
  • Average daylight in May: 15.1h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in May: 8.6h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is January (Average sunshine: 3.3h).

Average sunshine days in May - Marion, ND
  • Average sunshine days in May: 15.2 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in May - Marion, ND
  • Average UV index in May: 5

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

Average cloud cover in May - Marion, ND
  • Average cloud cover in May: 42

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

Average visibility in May - Marion, ND
  • Average visibility in May: 10km

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