May weather forecast
Augusta, MT

Share

Weather in May

May, the last month of the spring in Augusta, is a moderate month, with an average temperature ranging between max 60.4°F (15.8°C) and min 41.7°F (5.4°C).

Temperature

The onset of May brings a rise in the average high-temperature, elevating from a chilly 49.6°F (9.8°C) in April to a mild 60.4°F (15.8°C). Augusta throughout May, experiences an average nighttime temperature of 41.7°F (5.4°C).

Humidity

In May, the average relative humidity in Augusta is 58%.

Rainfall

In Augusta, Montana, in May, it is raining for 11.3 days, with typically 1.61" (41mm) of accumulated precipitation. In Augusta, during the entire year, the rain falls for 73.3 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

Months with snowfall in Augusta are January through May, September through December. May is the last month it regularly snows. During 1.1 snowfall days, in May, Augusta aggregates 1.26" (32mm) of snow. In Augusta, Montana, during the entire year, snow falls for 50.3 days and aggregates up to 21.26" (540mm) of snow.

Daylight

In Augusta, the average length of the day in May is 15h and 9min.
On the first day of the month, sunrise is at 6:11 am and sunset at 8:42 pm. On the last day of May, in Augusta, sunrise is at 5:36 am and sunset at 9:18 pm MDT.

Sunshine

The average sunshine in May in Augusta, Montana, is 10.3h.

UV index

In Augusta, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against sun damage is advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
[Resources]

Frequently asked questions

What is the temperature in May in Augusta?

The high-temperature, in May, in Augusta, is 60.4°F (15.8°C), while the low-temperature averages to 41.7°F (5.4°C).

What is the average humidity in May in Augusta?

In May, the average relative humidity is 58%.

How much does it rain in Augusta in May?

In May, the rain falls for 11.3 days. Throughout May, 1.61" (41mm) of precipitation is accumulated.

What is the last month it snows in Augusta?

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

How many hours of daylight does Augusta have in May?

In May, the average day length in Augusta, Montana, is 15h and 9min.

What time are sunrise and sunset in May in Augusta?

In May, on the first day of the month, sunrise is at 6:11 am and sunset at 8:42 pm. On the last day of the month, in Augusta, Montana, sunrise is at 5:36 am and sunset at 9:18 pm MDT.

How long on average sun shines in May in Augusta?

In Augusta, the average sunshine duration in May is 10.3h.

What is the UV index reading in May in Augusta?

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

Average temperature in May - Augusta, MT
  • Average high temperature in May: 60.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).

  • Average low temperature in May: 41.7°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

[Resources]

Average pressure in May
Augusta, MT

Average pressure in May - Augusta, MT
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

[Resources]

Average wind speed in May
Augusta, MT

Average wind speed in May - Augusta, MT
  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

[Resources]

Average humidity in May
Augusta, MT

Average humidity in May - Augusta, MT
  • Average humidity in May: 58%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (42%).

[Resources]

Average rainfall in May
Augusta, MT

Average rainfall in May - Augusta, MT
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").

[Resources]

Average rainfall days in May
Augusta, MT

Average rainfall days in May - Augusta, MT
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).

[Resources]

Average snowfall in May
Augusta, MT

Average snowfall in May - Augusta, 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").

[Resources]

Average snowfall days in May
Augusta, MT

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

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

[Resources]

Average sunshine days in May
Augusta, MT

Average sunshine days in May - Augusta, MT
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).

[Resources]

Average UV index in May
Augusta, MT

Average UV index in May - Augusta, 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).

[Resources]

Average cloud cover in May
Augusta, MT

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

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).

[Resources]

Average visibility in May
Augusta, MT

Average visibility in May - Augusta, 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).

[Resources]

Augusta, Montana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location