May weather forecast
Cardwell, MT

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Weather in May

May, the last month of the spring in Cardwell, is a comfortable month, with an average temperature ranging between max 62.6°F (17°C) and min 37.9°F (3.3°C).

Temperature

With the onset of May, Cardwell experiences a temperature shift, with the average high-temperature moving from a cool 50.4°F (10.2°C) in April to a comfortable 62.6°F (17°C). Cardwell's average nighttime temperatures present a clear contrast to its daytime highs, measured at a wintry 37.9°F (3.3°C) in May.

Humidity

The average relative humidity in May is 60%.

Rainfall

In May, in Cardwell, Montana, the rain falls for 15.9 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. In Cardwell, during the entire year, the rain falls for 134.2 days and collects up to 11.34" (288mm) of precipitation.

Snowfall

Months with snowfall in Cardwell are January through June, September through December. In Cardwell, Montana, during May, snow falls for 1.3 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, in Cardwell, Montana, there are 79.6 snowfall days, and 30.08" (764mm) of snow is accumulated.

Daylight

In May, the average length of the day in Cardwell is 14h and 58min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:36 pm. On the last day of May, sunrise is at 5:41 am and sunset at 9:10 pm MDT.

Sunshine

In May, the average sunshine is 10.7h.

UV index

In May, the average daily maximum UV index 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: The average daily UV index of 4 in May transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of snow can nearly double the intensity of 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 are May temperatures in Cardwell?

During May, Cardwell experiences an average high-temperature of 62.6°F (17°C) and a low-temperature of 37.9°F (3.3°C).

What is the average humidity in May in Cardwell?

The average relative humidity in May in Cardwell, Montana, is 60%.

How much does it rain in Cardwell in May?

In Cardwell, during May, the rain falls for 15.9 days and regularly aggregates up to 1.42" (36mm) of precipitation.

How much does it snow in Cardwell in May?

In Cardwell, during May, snow falls for 1.3 days and regularly aggregates up to 0.83" (21mm) of snow.

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

In May, the average day length is 14h and 58min.

When is the sunrise / sunset in May in Cardwell?

In May, on the first day of the month, sunrise is at 6:13 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 9:10 pm MDT.

How long on average sun shines in May in Cardwell?

In May, the average sunshine duration in Cardwell, Montana, is 10.7h.

How high is the UV index in May in Cardwell?

In May, the average daily maximum UV index in Cardwell, Montana, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Cardwell, MT

Average temperature in May - Cardwell, MT
  • Average high temperature in May: 62.6°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).

  • Average low temperature in May: 37.9°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).

Average pressure in May
Cardwell, MT

Average pressure in May - Cardwell, MT
  • Average pressure in May: 29.94"Hg

The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Cardwell, MT

Average wind speed in May - Cardwell, MT
  • Average wind speed in May: 5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in May
Cardwell, MT

Average humidity in May - Cardwell, MT
  • Average humidity in May: 60%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).

Average rainfall in May
Cardwell, MT

Average rainfall in May - Cardwell, MT
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").

Average rainfall days in May
Cardwell, MT

Average rainfall days in May - Cardwell, MT
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).

Average snowfall in May
Cardwell, MT

Average snowfall in May - Cardwell, MT
  • Average snowfall in May: 0.83"

The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Cardwell, MT

Average snowfall days in May - Cardwell, MT
  • Average snowfall days in May: 1.3 days

The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Cardwell, MT

Average daylight in May / Average sunshine in May - Cardwell, MT
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in May
Cardwell, MT

Average sunshine days in May - Cardwell, MT
  • Average sunshine days in May: 10.5 days

The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).

Average UV index in May
Cardwell, MT

Average UV index in May - Cardwell, MT
  • Average UV index in May: 4

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

Average cloud cover in May
Cardwell, MT

Average cloud cover in May - Cardwell, MT
  • Average cloud cover in May: 30

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in May
Cardwell, MT

Average visibility in May - Cardwell, MT
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Cardwell, Montana, USA

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