May weather forecast
Redstone, MT

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Weather in May

May, the last month of the spring in Redstone, is an enjoyable month, with an average temperature varying between 64.2°F (17.9°C) and 46.4°F (8°C).

Temperature

Entering May, Redstone sees a temperature rise, with the average high-temperature advancing from April's fresh 50.2°F (10.1°C) to a comfortable 64.2°F (17.9°C). Redstone's average low-temperature is measured at a chilly 46.4°F (8°C) during May.

Humidity

In Redstone, the average relative humidity in May is 55%.

Rainfall

In Redstone, in May, during 12.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Redstone, during the entire year, the rain falls for 93.3 days and collects up to 12.01" (305mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Redstone. During 0.8 snowfall days, in May, Redstone aggregates 0.51" (13mm) of snow. Throughout the year, in Redstone, there are 66.5 snowfall days, and 19.02" (483mm) of snow is accumulated.

Daylight

The average length of the day in May in Redstone is 15h and 18min.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:00 am and sunset at 8:54 pm MDT.

Sunshine

In May, the average sunshine in Redstone is 10h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Redstone in May?

Redstone in May has an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 46.4°F (8°C).

What is the average humidity in May in Redstone?

The average relative humidity in May in Redstone, Montana, is 55%.

How many days does it rain in May in Redstone?

In Redstone, Montana, in May, it is raining for 12.5 days, with typically 1.57" (40mm) of accumulated precipitation.

What is the last month it snows in Redstone?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Redstone aggregates 0.51" (13mm) of snow.

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

In Redstone, the average day length in May is 15h and 18min.

What time are sunrise and sunset in May in Redstone?

In May, on the first day of the month, sunrise is at 5:37 am and sunset at 8:15 pm. On the last day of the month, in Redstone, sunrise is at 5:00 am and sunset at 8:54 pm MDT.

How many hours of sunshine does Redstone have in May?

In May, the average sunshine duration is 10h.

What is the UV index reading in May in Redstone?

In May, the average daily maximum UV index in Redstone, Montana, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Redstone, MT

Average temperature in May - Redstone, MT
  • Average high temperature in May: 64.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (19.8°F).

  • Average low temperature in May: 46.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).

Average pressure in May
Redstone, MT

Average pressure in May - Redstone, MT
  • 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 (29.83"Hg).

Average wind speed in May
Redstone, MT

Average wind speed in May - Redstone, MT
  • Average wind speed in May: 10.6mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).

Average humidity in May
Redstone, MT

Average humidity in May - Redstone, MT
  • Average humidity in May: 55%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).

Average rainfall in May
Redstone, MT

Average rainfall in May - Redstone, MT
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").

Average rainfall days in May
Redstone, MT

Average rainfall days in May - Redstone, MT
  • Average rainfall days in May: 12.5 days

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in May
Redstone, MT

Average snowfall in May - Redstone, MT
  • Average snowfall in May: 0.51"

The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Redstone, MT

Average snowfall days in May - Redstone, MT
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Redstone, MT
  • 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 18min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in May
Redstone, MT

Average sunshine days in May - Redstone, MT
  • Average sunshine days in May: 16.6 days

The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).

Average UV index in May
Redstone, MT

Average UV index in May - Redstone, MT
  • Average UV index in May: 5

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

Average cloud cover in May
Redstone, MT

Average cloud cover in May - Redstone, MT
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).

Average visibility in May
Redstone, MT

Average visibility in May - Redstone, MT
  • 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).

Redstone, Montana, USA

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