May weather forecast and climate
Mandan, ND

Scenic fields and vast spaces laden with green trees and shrubs in this place near the Mandan Community of North Dakota
Scenic fields and vast spaces laden with green trees and shrubs in this place near the Mandan Community of North Dakota

Weather in May

The last month of the spring, May, is a comfortable month in Mandan, North Dakota, with average temperature fluctuating between 64.9°F (18.3°C) and 46.4°F (8°C).

Temperature

In Mandan, the average high-temperature in May increases, from a fresh 51.4°F (10.8°C) in April, to an enjoyable 64.9°F (18.3°C). In Mandan, in May, the average low-temperature is 46.4°F (8°C).

Humidity

In May, the average relative humidity is 62%.

Rainfall

In Mandan, in May, it is raining for 12.7 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 94.3 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Mandan. During 0.3 snowfall days, Mandan aggregates 0.16" (4mm) of snow. In Mandan, during the entire year, snow falls for 58.6 days, and aggregates up to 18.27" (464mm) of snow.

Daylight

In Mandan, the average length of the day in May is 15.1h.

Sunshine

In May, the average sunshine in Mandan is 9.5h.

UV index

In May, the average daily maximum UV index in Mandan is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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.
[Resources]

FAQ

What is the temperature in May in Mandan?

In May, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 46.4°F (8°C).

What is the average humidity in May in Mandan?

In May, the average relative humidity in Mandan, North Dakota, is 62%.

How many days does it rain in May in Mandan?

In Mandan, North Dakota, in May, during 12.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

What is the last month it snows in Mandan?

May is the last month it regularly snows in Mandan, North Dakota. During 0.3 snowfall days, in May, Mandan aggregates 0.16" (4mm) of snow.

How many hours of daylight does Mandan have in May?

The average length of the day in May in Mandan, North Dakota, is 15.1h.

How long on average sun shines in May in Mandan?

In May, the average sunshine in Mandan, North Dakota, is 9.5h.

What is the UV index reading in May in Mandan?

In Mandan, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Mandan, ND

Average temperature in May - Mandan, ND
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in May: 46.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

[Resources]

Average pressure in May
Mandan, ND

Average pressure in May - Mandan, ND
  • Average pressure in May: 29.92"

The month with the highest atmospheric pressure is February (30.17").
The month with the lowest atmospheric pressure is June (29.85").

[Resources]

Average wind speed in May
Mandan, ND

Average wind speed in May - Mandan, ND
  • Average wind speed in May: 10.1mph

The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

[Resources]

Average humidity in May
Mandan, ND

Average humidity in May - Mandan, ND
  • Average humidity in May: 62%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

[Resources]

Average rainfall in May
Mandan, ND

Average rainfall in May - Mandan, ND
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").

[Resources]

Average rainfall days in May
Mandan, ND

Average rainfall days in May - Mandan, ND
  • Average rainfall days in May: 12.7 days

The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).

[Resources]

Average snowfall in May
Mandan, ND

Average snowfall in May - Mandan, ND
  • Average snowfall in May: 0.16"

The month with the highest snowfall is December (3.31").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Mandan, ND

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

The month with the highest number of snowfall days is December (12.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Mandan, ND

Average daylight in May / Average sunshine in May - Mandan, 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: 9.5h

The month with the most sunshine is July (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 3.9h).

[Resources]

Average sunshine days in May
Mandan, ND

Average sunshine days in May - Mandan, ND
  • Average sunshine days in May: 15.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).

[Resources]

Average UV index in May
Mandan, ND

Average UV index in May - Mandan, ND
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are November and December (UV index 1).

[Resources]

Average cloud cover in May
Mandan, ND

Average cloud cover in May - Mandan, ND
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).

[Resources]

Average visibility in May
Mandan, ND

Average visibility in May - Mandan, ND
  • Average visibility in May: 6mi

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February, March and December (5mi).

[Resources]