May weather forecast
Saco, MT

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Weather in May

May, the last month of the spring in Saco, is a refreshing month, with an average temperature fluctuating between 46.9°F (8.3°C) and 65.8°F (18.8°C).

Temperature

With the onset of May, Saco's average high-temperature experiences a rise, moving from April's cool 53.1°F (11.7°C) to an enjoyable 65.8°F (18.8°C). May nights in Saco are marked by an average temperature drop to a chilly 46.9°F (8.3°C).

Humidity

In Saco, the average relative humidity in May is 52%.

Rainfall

May is the month with the most rainfall in Saco. Rain falls for 12.7 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Saco. May is the last month it regularly snows. During 0.3 snowfall days, in May, Saco aggregates 0.31" (8mm) of snow. In Saco, during the entire year, snow falls for 56.9 days and aggregates up to 17.95" (456mm) of snow.

Daylight

In May, the average length of the day in Saco is 15h and 16min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:24 pm. On the last day of May, sunrise is at 5:12 am and sunset at 9:02 pm MDT.

Sunshine

The average sunshine in May in Saco is 10h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 5 during May leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What is the average May temperature in Saco?

In May, the average high-temperature and low-temperature in Saco are 65.8°F (18.8°C) and 46.9°F (8.3°C) respectively.

What is the average humidity in May in Saco?

In May, the average relative humidity is 52%.

What is the rainiest month in Saco?

May is the month with the most rainfall in Saco. Rain falls for 12.7 days and accumulates 1.73" (44mm) of precipitation.

How much does it rain in Saco in May?

In Saco, in May, it is raining for 12.7 days, with typically 1.73" (44mm) of accumulated precipitation.

What is the last month it snows in Saco?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Saco aggregates 0.31" (8mm) of snow.

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

The average day length in May in Saco, Montana, is 15h and 16min.

When is the sunrise / sunset in May in Saco?

On the first day of May in Saco, sunrise is at 5:48 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 9:02 pm MDT.

How many hours of sunshine does Saco have in May?

The average sunshine duration in May in Saco is 10h.

How high is the UV index in May in Saco?

The average daily maximum UV index in May in Saco is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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
Saco, MT

Average temperature in May - Saco, MT
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).

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Average pressure in May
Saco, MT

Average pressure in May - Saco, MT
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in May
Saco, MT

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

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).

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Average humidity in May
Saco, MT

Average humidity in May - Saco, MT
  • Average humidity in May: 52%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in May
Saco, MT

Average rainfall in May - Saco, MT
  • Average rainfall in May: 1.73"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in May
Saco, MT

Average rainfall days in May - Saco, MT
  • Average rainfall days in May: 12.7 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in May
Saco, MT

Average snowfall in May - Saco, MT
  • Average snowfall in May: 0.31"

The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Saco, MT

Average snowfall days in May - Saco, MT
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Saco, MT
  • Average daylight in May: 15h and 2min

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 0min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Saco, MT

Average sunshine days in May - Saco, MT
  • Average sunshine days in May: 16.3 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).

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Average UV index in May
Saco, MT

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in May
Saco, MT

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

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).

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Average visibility in May
Saco, MT

Average visibility in May - Saco, 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).

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Saco, Montana, USA

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