May weather forecast
Pendroy, MT

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Weather in May

May, the last month of the spring in Pendroy, is a moderate month, with an average temperature varying between 41.7°F (5.4°C) and 60.4°F (15.8°C).

Temperature

Pendroy's transition into May is marked by a rise in the average high-temperature, advancing from a chilly 49.6°F (9.8°C) in April to a mild 60.4°F (15.8°C). An average nighttime temperature of 41.7°F (5.4°C) is observed during May.

Humidity

The average relative humidity in May is 58%.

Rainfall

In Pendroy, Montana, in May, during 11.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Pendroy, during the entire year, the rain falls for 73.3 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.1 snowfall days, in May, Pendroy aggregates 1.26" (32mm) of snow. Throughout the year, there are 50.3 snowfall days, and 21.26" (540mm) of snow is accumulated.

Daylight

In May, the average length of the day is 15h and 13min.
On the first day of May, sunrise is at 6:09 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 9:20 pm MDT.

Sunshine

In Pendroy, the average sunshine in May is 10.3h.

UV index

In Pendroy, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, an average UV index of 4 transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 60.4°F (15.8°C) and 41.7°F (5.4°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 58%.

How much does it rain in May?

In Pendroy, during May, the rain falls for 11.3 days and regularly aggregates up to 1.61" (41mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows in Pendroy. During 1.1 snowfall days, in May, Pendroy aggregates 1.26" (32mm) of snow.

What is the average length of the day in May?

In May, the average day length is 15h and 13min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 9:20 pm MDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.3h.

How high is the UV index in May?

In Pendroy, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Pendroy, MT

Average temperature in May - Pendroy, MT
  • Average high temperature in May: 60.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).

  • Average low temperature in May: 41.7°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

Average pressure in May
Pendroy, MT

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Pendroy, MT

Average wind speed in May - Pendroy, MT
  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

Average humidity in May
Pendroy, MT

Average humidity in May - Pendroy, MT
  • Average humidity in May: 58%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (42%).

Average rainfall in May
Pendroy, MT

Average rainfall in May - Pendroy, MT
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").

Average rainfall days in May
Pendroy, MT

Average rainfall days in May - Pendroy, MT
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).

Average snowfall in May
Pendroy, MT

Average snowfall in May - Pendroy, MT
  • Average snowfall in May: 1.26"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Pendroy, MT

Average snowfall days in May - Pendroy, MT
  • Average snowfall days in May: 1.1 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Pendroy, MT
  • 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: 10h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in May
Pendroy, MT

Average sunshine days in May - Pendroy, MT
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).

Average UV index in May
Pendroy, MT

Average UV index in May - Pendroy, MT
  • 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, February, March, October, November and December (UV index 2).

Average cloud cover in May
Pendroy, MT

Average cloud cover in May - Pendroy, MT
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in May
Pendroy, MT

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

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

Pendroy, Montana, USA

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