May weather forecast
Berthold, ND

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Weather in May

The last month of the spring, May, is a comfortable month in Berthold, North Dakota, with an average temperature varying between 64.8°F (18.2°C) and 46.4°F (8°C).

Temperature

May brings a significant increase in the average high-temperature, moving up from a chilly 49.8°F (9.9°C) in April to an enjoyable 64.8°F (18.2°C). During the nights in May, Berthold observes an average low-temperature of 46.4°F (8°C).

Humidity

The average relative humidity in May is 59%.

Rainfall

In Berthold, North Dakota, in May, during 12.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Berthold, North Dakota, there are 104.5 rainfall days, and 16.1" (409mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Berthold are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Berthold aggregates 0.12" (3mm) of snow. Throughout the year, there are 74.4 snowfall days, and 21.42" (544mm) of snow is accumulated.

Daylight

The average length of the day in May in Berthold is 15h and 14min.
On the first day of May in Berthold, sunrise is at 6:26 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:39 pm CDT.

Sunshine

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

UV index

In Berthold, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 4 in May transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Berthold?

The average high-temperature and low-temperature in Berthold, North Dakota, during May are 64.8°F (18.2°C) and 46.4°F (8°C) respectively.

What is the average humidity in May in Berthold?

The average relative humidity in May is 59%.

How many days does it rain in May in Berthold?

In Berthold, in May, it is raining for 12.8 days, with typically 2.01" (51mm) of accumulated precipitation.

What is the last month it snows in Berthold?

May is the last month it regularly snows in Berthold, North Dakota. During 0.6 snowfall days, in May, Berthold aggregates 0.12" (3mm) of snow.

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

The average day length in May is 15h and 14min.

When are sunrise and sunset in May in Berthold?

In May, on the first day of the month, sunrise is at 6:26 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:39 pm CDT.

How many hours of sunshine does Berthold have in May?

The average sunshine duration in May in Berthold is 9.5h.

How high is the UV index in May in Berthold?

The average daily maximum UV index in May in Berthold is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Berthold, ND

Average temperature in May - Berthold, ND
  • Average high temperature in May: 64.8°F

The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in May: 46.4°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

Average pressure in May
Berthold, ND

Average pressure in May - Berthold, ND
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in May
Berthold, ND

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

The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in May
Berthold, ND

Average humidity in May - Berthold, ND
  • Average humidity in May: 59%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).

Average rainfall in May
Berthold, ND

Average rainfall in May - Berthold, ND
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.51").

Average rainfall days in May
Berthold, ND

Average rainfall days in May - Berthold, ND
  • Average rainfall days in May: 12.8 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2 days).

Average snowfall in May
Berthold, ND

Average snowfall in May - Berthold, ND
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Berthold, ND

Average snowfall days in May - Berthold, ND
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Berthold, ND
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

Average sunshine days in May
Berthold, ND

Average sunshine days in May - Berthold, ND
  • Average sunshine days in May: 15.1 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in May
Berthold, ND

Average UV index in May - Berthold, 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 January and November (UV index 1).

Average cloud cover in May
Berthold, ND

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

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in May
Berthold, ND

Average visibility in May - Berthold, 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).

Berthold, North Dakota, USA

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