May weather forecast
Sand Springs, MT

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Weather in May

The last month of the spring, May, is a refreshing month in Sand Springs, Montana, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 64.8°F (18.2°C).

Temperature

As Sand Springs transitions into May, a rise in the average high-temperature is observed, moving from a cool 53.4°F (11.9°C) in April to a comfortable 64.8°F (18.2°C). Throughout May, Sand Springs's nights cool down to an average of 46.8°F (8.2°C).

Humidity

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

Rainfall

The wettest months in Sand Springs are May and June, with an average 1.89" (48mm) of rainfall.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Sand Springs aggregates 0.35" (9mm) of snow. Throughout the year, there are 58.4 snowfall days, and 21.1" (536mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 6min.
On the first day of May, sunrise is at 5:52 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:57 pm MDT.

Sunshine

In Sand Springs, the average sunshine in May is 10h.

UV index

In Sand Springs, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sand Springs in May?

The high-temperature, in May, in Sand Springs, is 64.8°F (18.2°C), while the low-temperature averages to 46.8°F (8.2°C).

What is the average humidity in May in Sand Springs?

In May, the average relative humidity in Sand Springs, Montana, is 53%.

What is the rainiest month in Sand Springs?

The months with the most rainfall in Sand Springs, Montana, are May and June, with an average 1.89" (48mm) of precipitation.

How much does it rain in Sand Springs in May?

In May, the rain falls for 14.5 days. Throughout May, 1.89" (48mm) of precipitation is accumulated.

What is the last month it snows in Sand Springs?

May is the last month it regularly snows in Sand Springs. During 0.4 snowfall days, in May, Sand Springs aggregates 0.35" (9mm) of snow.

How many hours of daylight does Sand Springs have in May?

In May, the average day length is 15h and 6min.

When is the sunrise / sunset in May in Sand Springs?

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 8:21 pm. On the last day of the month, in Sand Springs, sunrise is at 5:18 am and sunset at 8:57 pm MDT.

How long on average sun shines in May in Sand Springs?

In May, the average sunshine duration in Sand Springs, Montana, is 10h.

How high is the UV index in May in Sand Springs?

The average daily maximum UV index in May is 5. A UV Index 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
Sand Springs, MT

Average temperature in May - Sand Springs, MT
  • Average high temperature in May: 64.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in May: 46.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

Average pressure in May
Sand Springs, MT

Average pressure in May - Sand Springs, MT
  • Average pressure in May: 29.91"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in May
Sand Springs, MT

Average wind speed in May - Sand Springs, MT
  • Average wind speed in May: 11.2mph

The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is February (9.9mph).

Average humidity in May
Sand Springs, MT

Average humidity in May - Sand Springs, MT
  • Average humidity in May: 53%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (40%).

Average rainfall in May
Sand Springs, MT

Average rainfall in May - Sand Springs, MT
  • Average rainfall in May: 1.89"

The wettest months (with the highest rainfall) are May and June (1.89").
The driest month (with the least rainfall) is November (0.63").

Average rainfall days in May
Sand Springs, MT

Average rainfall days in May - Sand Springs, MT
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in May
Sand Springs, MT

Average snowfall in May - Sand Springs, MT
  • Average snowfall in May: 0.35"

The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Sand Springs, MT

Average snowfall days in May - Sand Springs, MT
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Sand Springs, MT

Average daylight in May / Average sunshine in May - Sand Springs, MT
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).

Average sunshine days in May
Sand Springs, MT

Average sunshine days in May - Sand Springs, MT
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in May
Sand Springs, MT

Average UV index in May - Sand Springs, MT
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Sand Springs, MT

Average cloud cover in May - Sand Springs, MT
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in May
Sand Springs, MT

Average visibility in May - Sand Springs, MT
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Sand Springs, Montana, USA

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