May weather forecast
Sunburst, MT

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Weather in May

May, the last month of the spring in Sunburst, is a comfortable month, with an average temperature ranging between max 62.4°F (16.9°C) and min 44.4°F (6.9°C).

Temperature

Sunburst, Montana, sees an increase in the average high-temperature with the arrival of May, moving from April's fresh 52.2°F (11.2°C) to a comfortable 62.4°F (16.9°C). During the nights in May, Sunburst observes an average low-temperature of 44.4°F (6.9°C).

Humidity

In Sunburst, the average relative humidity in May is 53%.

Rainfall

In Sunburst, during May, the rain falls for 13.9 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Sunburst, Montana, during the entire year, the rain falls for 84.2 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.1 snowfall days, in May, Sunburst aggregates 1.26" (32mm) of snow. Throughout the year, there are 53.7 snowfall days, and 20.47" (520mm) of snow is accumulated.

Daylight

In Sunburst, the average length of the day in May is 15h and 19min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 9:22 pm MDT.

Sunshine

In Sunburst, the average sunshine in May is 10.1h.

UV index

In Sunburst, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 4 during May translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sunburst in May?

An average high-temperature, in May, in Sunburst, is 62.4°F (16.9°C) and the average low-temperature is 44.4°F (6.9°C).

What is the average humidity in May?

The average relative humidity in May is 53%.

How many days does it rain in May?

In May, the rain falls for 13.9 days. Throughout May, 1.54" (39mm) of precipitation is accumulated.

What is the last month it snows?

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

How many hours of daylight does Sunburst have in May?

In May, the average day length is 15h and 19min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:05 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 9:22 pm MDT.

How many hours of sunshine does Sunburst have in May?

In May, the average sunshine duration is 10.1h.

What is the UV index intensity in May in Sunburst?

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

Average temperature in May - Sunburst, MT
  • Average high temperature in May: 62.4°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (27.7°F).

  • Average low temperature in May: 44.4°F

The month with the highest average low temperature is August (58.3°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).

Average pressure in May
Sunburst, MT

Average pressure in May - Sunburst, MT
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in May
Sunburst, MT

Average wind speed in May - Sunburst, MT
  • Average wind speed in May: 10.1mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in May
Sunburst, MT

Average humidity in May - Sunburst, MT
  • Average humidity in May: 53%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (40%).

Average rainfall in May
Sunburst, MT

Average rainfall in May - Sunburst, MT
  • Average rainfall in May: 1.54"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.39").

Average rainfall days in May
Sunburst, MT

Average rainfall days in May - Sunburst, MT
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (3.1 days).

Average snowfall in May
Sunburst, MT

Average snowfall in May - Sunburst, 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
Sunburst, MT

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

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Sunburst, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in May
Sunburst, MT

Average sunshine days in May - Sunburst, MT
  • Average sunshine days in May: 15.5 days

The month with the most sunshine days is September (22.2 days).
The month with the least sunshine days is April (14.7 days).

Average UV index in May
Sunburst, MT

Average UV index in May - Sunburst, 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
Sunburst, MT

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

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in May
Sunburst, MT

Average visibility in May - Sunburst, 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).

Sunburst, Montana, USA

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