May weather forecast
Crystal, ND

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Weather in May

The last month of the spring, May, is a refreshing month in Crystal, North Dakota, with an average temperature ranging between min 46.9°F (8.3°C) and max 63.5°F (17.5°C).

Temperature

Witnessing a clear rise in May, the average high-temperature escalates from April's chilly 48.2°F (9°C) to a refreshing 63.5°F (17.5°C). Crystal's average low-temperature in the month of May is recorded at a frosty 46.9°F (8.3°C).

Humidity

In May, the average relative humidity in Crystal is 63%.

Rainfall

In Crystal, during May, the rain falls for 13.4 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Crystal, there are 99.8 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Crystal. During 0.5 snowfall days, in May, Crystal aggregates 0.39" (10mm) of snow. Throughout the year, there are 68.4 snowfall days, and 18.54" (471mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 16min.
On the first day of May, sunrise is at 6:09 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 9:24 pm CDT.

Sunshine

In Crystal, the average sunshine in May is 8.9h.

UV index

The average daily maximum UV index in May in Crystal is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are the temperatures in Crystal in May?

In May, in Crystal, the average high-temperature is 63.5°F (17.5°C), and the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in May in Crystal?

In Crystal, the average relative humidity in May is 63%.

How many days does it rain in May in Crystal?

In Crystal, North Dakota, during May, the rain falls for 13.4 days and regularly aggregates up to 2.13" (54mm) of precipitation.

What is the last month it snows in Crystal?

May is the last month it regularly snows. During 0.5 snowfall days, in May, Crystal aggregates 0.39" (10mm) of snow.

How many hours of daylight does Crystal have in May?

In May, the average day length in Crystal, North Dakota, is 15h and 16min.

When are sunrise and sunset in May in Crystal?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 8:46 pm. On the last day of the month, in Crystal, sunrise is at 5:32 am and sunset at 9:24 pm CDT.

How many hours of sunshine does Crystal have in May?

In Crystal, the average sunshine duration in May is 8.9h.

What is the UV index reading in May in Crystal?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Crystal, ND

Average temperature in May - Crystal, ND
  • Average high temperature in May: 63.5°F

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (14.5°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (1°F).

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Average pressure in May
Crystal, ND

Average pressure in May - Crystal, ND
  • Average pressure in May: 29.94"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).

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Average wind speed in May
Crystal, ND

Average wind speed in May - Crystal, ND
  • Average wind speed in May: 9.9mph

The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.4mph).

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Average humidity in May
Crystal, ND

Average humidity in May - Crystal, ND
  • Average humidity in May: 63%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in May
Crystal, ND

Average rainfall in May - Crystal, ND
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in May
Crystal, ND

Average rainfall days in May - Crystal, ND
  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (2 days).

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Average snowfall in May
Crystal, ND

Average snowfall in May - Crystal, ND
  • Average snowfall in May: 0.39"

The month with the highest snowfall is December (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Crystal, ND

Average snowfall days in May - Crystal, ND
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Crystal, ND
  • Average daylight in May: 15h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in May
Crystal, ND

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

The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in May
Crystal, ND

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

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Average cloud cover in May
Crystal, ND

Average cloud cover in May - Crystal, ND
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in May
Crystal, ND

Average visibility in May - Crystal, 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).

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Crystal, North Dakota, USA

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