May weather forecast
Mandan, ND

Share
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

May in Mandan witnesses a major departure from the cold, snowy months, moving towards a much warmer and pleasant atmosphere. From 51.4°F in April, the thermometers now show peaks of 64.9°F. May is also when you can expect a rise in rainfall, indicative of the spring season. With almost 15 hours of daylight, outdoor activities become significantly more enticing, despite the occasional gust of wind.

Temperature

May's arrival brings a change in high-temperatures, moving from a cool 51.4°F in April to a refreshing 64.9°F. In the month of May, the temperature generally rests at an average low of 46.4°F.

Humidity

The average relative humidity in May is 62%.

Rainfall

In Mandan, in May, it is raining for 12.7 days, with typically 1.93" of accumulated precipitation. In Mandan, North Dakota, during the entire year, the rain falls for 94.3 days and collects up to 14.29" of precipitation.

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, in May, Mandan aggregates 0.16" of snow. In Mandan, North Dakota, during the entire year, snow falls for 58.6 days and aggregates up to 18.27" of snow.

Daylight

In May, the average length of the day is 15h and 4min.
On the first day of May in Mandan, sunrise is at 6:28 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 9:29 pm CDT.

Sunshine

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

UV index

In May, the average daily maximum UV index in Mandan is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
[Resources]

FAQ

What are May temperatures in Mandan?

The average high-temperature and low-temperature in Mandan during May are 64.9°F and 46.4°F respectively.

What is the average humidity in May in Mandan?

The average relative humidity in May in Mandan is 62%.

How much does it rain in Mandan in May?

In Mandan, in May, it is raining for 12.7 days, with typically 1.93" of accumulated precipitation.

What is the last month it snows in Mandan?

May is the last month it regularly snows in Mandan. During 0.3 snowfall days, in May, Mandan aggregates 0.16" of snow.

How many hours of daylight does Mandan have in May?

The average day length in May in Mandan, North Dakota, is 15h and 4min.

When are sunrise and sunset in May in Mandan?

In May, on the first day of the month, sunrise is at 6:28 am and sunset at 8:53 pm. On the last day of the month, in Mandan, North Dakota, sunrise is at 5:53 am and sunset at 9:29 pm CDT.

How many hours of sunshine does Mandan have in May?

In May, the average sunshine duration is 9.5h.

How high is the UV index in May in Mandan?

In Mandan, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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 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"Hg

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

[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").
The 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).
The 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: 15h and 1min

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 May: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[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).
The 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

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

[Resources]

Mandan, North Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location