May weather forecast
Lodge Grass, MT

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Weather in May

The last month of the spring, May, is an enjoyable month in Lodge Grass, Montana, with an average temperature varying between 44.2°F (6.8°C) and 64.2°F (17.9°C).

Temperature

Lodge Grass experiences a temperature shift with the start of May, with average high-temperatures moving from a fresh 54°F (12.2°C) in April to a refreshing 64.2°F (17.9°C). Lodge Grass experiences a mean low-temperature of 44.2°F (6.8°C) during May.

Humidity

In May, the average relative humidity is 60%.

Rainfall

May is the month with the most rainfall. Rain falls for 6.1 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Lodge Grass. May is the last month it regularly snows. During 0.6 snowfall days, in May, Lodge Grass aggregates 0.04" (1mm) of snow. Throughout the year, in Lodge Grass, there are 23.9 snowfall days, and 6.22" (158mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 55min.
On the first day of May, sunrise is at 5:56 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:49 pm MDT.

Sunshine

In Lodge Grass, Montana, the average sunshine in May is 10.3h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 5 in May transforms into this advice:
Undertake protective steps - Preventing sun damage is advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the usual temperature for Lodge Grass in May?

The high-temperature, in May, in Lodge Grass, is 64.2°F (17.9°C), while the low-temperature averages to 44.2°F (6.8°C).

What is the average humidity in May in Lodge Grass?

In Lodge Grass, Montana, the average relative humidity in May is 60%.

What is the rainiest month in Lodge Grass?

May is the month with the most rainfall in Lodge Grass, Montana. Rain falls for 6.1 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in May in Lodge Grass?

In Lodge Grass, Montana, during May, the rain falls for 6.1 days and regularly aggregates up to 0.47" (12mm) of precipitation.

What is the last month it snows in Lodge Grass?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Lodge Grass aggregates 0.04" (1mm) of snow.

How many hours of daylight does Lodge Grass have in May?

In Lodge Grass, the average day length in May is 14h and 55min.

When is the sunrise / sunset in May in Lodge Grass?

On the first day of May, sunrise is at 5:56 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:49 pm MDT.

How many hours of sunshine does Lodge Grass have in May?

In Lodge Grass, Montana, the average sunshine duration in May is 10.3h.

What is the UV index intensity in May in Lodge Grass?

The average daily maximum UV index in May in Lodge Grass, Montana, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Lodge Grass, MT

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

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in May: 44.2°F

The months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

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Average pressure in May
Lodge Grass, MT

Average pressure in May - Lodge Grass, MT
  • Average pressure in May: 29.91"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in May
Lodge Grass, MT

Average wind speed in May - Lodge Grass, MT
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in May
Lodge Grass, MT

Average humidity in May - Lodge Grass, MT
  • Average humidity in May: 60%

The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in May
Lodge Grass, MT

Average rainfall in May - Lodge Grass, MT
  • Average rainfall in May: 0.47"

The wettest month (with the highest rainfall) is May (0.47").
The driest months (with the least rainfall) are January and December (0.12").

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Average rainfall days in May
Lodge Grass, MT

Average rainfall days in May - Lodge Grass, MT
  • Average rainfall days in May: 6.1 days

The month with the highest number of rainy days is May (6.1 days).
The month with the least rainy days is December (2.2 days).

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Average snowfall in May
Lodge Grass, MT

Average snowfall in May - Lodge Grass, MT
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lodge Grass, MT

Average snowfall days in May - Lodge Grass, MT
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is February (5.6 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
Lodge Grass, MT

Average daylight in May / Average sunshine in May - Lodge Grass, MT
  • Average daylight in May: 14h and 5min

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

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in May
Lodge Grass, MT

Average sunshine days in May - Lodge Grass, MT
  • Average sunshine days in May: 24 days

The month with the most sunshine days is September (26.8 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in May
Lodge Grass, MT

Average UV index in May - Lodge Grass, 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, November and December (UV index 2).

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Average cloud cover in May
Lodge Grass, MT

Average cloud cover in May - Lodge Grass, MT
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 14).

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Average visibility in May
Lodge Grass, MT

Average visibility in May - Lodge Grass, 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).

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Lodge Grass, Montana, USA

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