May weather forecast
Trego, MT

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Weather in May

May, the last month of the spring in Trego, is a moderate month, with an average temperature fluctuating between 59.7°F (15.4°C) and 34.5°F (1.4°C).

Temperature

With the onset of May, Trego's average high-temperature sees a rise, moving from April's frosty 46.4°F (8°C) to a refreshing 59.7°F (15.4°C). With a notable difference from peak temperatures, an average of 34.5°F (1.4°C) marks the nights in Trego in May.

Humidity

In Trego, Montana, the average relative humidity in May is 69%.

Rainfall

In Trego, during May, the rain falls for 15.2 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Trego, during the entire year, the rain falls for 136.3 days and collects up to 15.35" (390mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows in Trego. During 1.2 snowfall days, in May, Trego aggregates 0.31" (8mm) of snow. In Trego, during the entire year, snow falls for 110.7 days and aggregates up to 46.81" (1189mm) of snow.

Daylight

The average length of the day in May is 15h and 17min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:55 pm. On the last day of May, in Trego, sunrise is at 5:41 am and sunset at 9:33 pm MDT.

Sunshine

In Trego, Montana, the average sunshine in May is 10h.

UV index

In Trego, Montana, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 4 during May translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What is the usual temperature for Trego in May?

The high-temperature during May is 59.7°F (15.4°C) and the low-temperature is 34.5°F (1.4°C).

What is the average humidity in May in Trego?

In May, the average relative humidity is 69%.

How much does it rain in Trego in May?

In Trego, during May, the rain falls for 15.2 days and regularly aggregates up to 1.57" (40mm) of precipitation.

What is the last month it snows in Trego?

May is the last month it regularly snows in Trego, Montana. During 1.2 snowfall days, in May, Trego aggregates 0.31" (8mm) of snow.

How many hours of daylight does Trego have in May?

In May, the average day length in Trego, Montana, is 15h and 17min.

When are sunrise and sunset in May in Trego?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 9:33 pm MDT.

How many hours of sunshine does Trego have in May?

The average sunshine duration in May is 10h.

What is the UV index intensity in May in Trego?

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

Average temperature in May - Trego, MT
  • Average high temperature in May: 59.7°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in May: 34.5°F

The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in May
Trego, MT

Average pressure in May - Trego, MT
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Trego, MT

Average wind speed in May - Trego, MT
  • Average wind speed in May: 4.2mph

The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

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Average humidity in May
Trego, MT

Average humidity in May - Trego, MT
  • Average humidity in May: 69%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in May
Trego, MT

Average rainfall in May - Trego, MT
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").

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Average rainfall days in May
Trego, MT

Average rainfall days in May - Trego, MT
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in May
Trego, MT

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

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Trego, MT

Average snowfall days in May - Trego, MT
  • Average snowfall days in May: 1.2 days

The month with the highest number of snowfall days is December (22.1 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
Trego, MT

Average daylight in May / Average sunshine in May - Trego, 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 24min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in May
Trego, MT

Average sunshine days in May - Trego, MT
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).

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Average UV index in May
Trego, MT

Average UV index in May - Trego, 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, November and December (UV index 1).

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Average cloud cover in May
Trego, MT

Average cloud cover in May - Trego, MT
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in May
Trego, MT

Average visibility in May - Trego, MT
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

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Trego, Montana, USA

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