May weather forecast and climate
Drummond, MT

Weather in May

May, the last month of the spring, in Drummond, is a mild month, with average temperature fluctuating between 57.4°F (14.1°C) and 33.1°F (0.6°C).

Temperature

In Drummond, Montana, the average high-temperature in May rises, from a frosty 45.3°F (7.4°C) in April, to a mild 57.4°F (14.1°C). In May, the average low-temperature is 33.1°F (0.6°C).

Humidity

The average relative humidity in May is 68%.

Rainfall

In Drummond, it is raining for 13 days, with typically 1.3" (33mm) of accumulated precipitation. In Drummond, during the entire year, the rain falls for 114.8 days and collects up to 12.13" (308mm) of precipitation.

Snowfall

Months with snowfall in Drummond are January through June, September through December. In Drummond, during May, snow falls for 1.6 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, in Drummond, there are 86.9 snowfall days, and 39.96" (1015mm) of snow is accumulated.

Daylight

The average length of the day in Drummond, Montana, is 15.1h.

Sunshine

The average sunshine in May is 10.7h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Drummond?

In May, the average relative humidity in Drummond is 68%.

How many days does it rain in May in Drummond?

In Drummond, Montana, in May, during 13 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How many days does it snow in May in Drummond?

In May, in Drummond, Montana, it is snowing for 1.6 days. Throughout May, 0.55" (14mm) of snow is accumulated.

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

In Drummond, the average length of the day in May is 15.1h.

How long on average sun shines in May in Drummond?

In Drummond, the average sunshine in May is 10.7h.

What is the UV index reading in May in Drummond?

In Drummond, Montana, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in May
Drummond, MT

Average temperature in May - Drummond, MT
  • Average high temperature in May: 57.4°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (26.6°F).

  • Average low temperature in May: 33.1°F

The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

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Average pressure in May
Drummond, MT

Average pressure in May - Drummond, MT
  • Average pressure in May: 29.96"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in May
Drummond, MT

Average wind speed in May - Drummond, MT
  • Average wind speed in May: 5.4mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
Drummond, MT

Average humidity in May - Drummond, MT
  • Average humidity in May: 68%

Months with the highest relative humidity are January and February (89%).
Months with the lowest relative humidity are July and August (49%).

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Average rainfall in May
Drummond, MT

Average rainfall in May - Drummond, MT
  • Average rainfall in May: 1.3"

The wettest month (with the highest rainfall) is June (1.81").
The driest months (with the least rainfall) are August, September and October (0.59").

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Average rainfall days in May
Drummond, MT

Average rainfall days in May - Drummond, MT
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is November (6.5 days).

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Average snowfall in May
Drummond, MT

Average snowfall in May - Drummond, MT
  • Average snowfall in May: 0.55"

The month with the highest snowfall is February (9.76").
Months with the least snowfall are July and August (0").

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Average snowfall days in May
Drummond, MT

Average snowfall days in May - Drummond, MT
  • Average snowfall days in May: 1.6 days

The month with the highest number of snowfall days is February (18.1 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Drummond, MT
  • Average daylight in May: 15.1h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in May: 10.7h

The month with the most sunshine is July (Average sunshine: 11.9h).
Months with the least sunshine are January and December (Average sunshine: 5.6).

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Average sunshine days in May
Drummond, MT

Average sunshine days in May - Drummond, MT
  • Average sunshine days in May: 15.2 days

The month with the most sunshine days is September (21.9 days).
The month with the least sunshine days is February (8.5 days).

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Average UV index in May
Drummond, MT

Average UV index in May - Drummond, MT
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Drummond, MT

Average cloud cover in May - Drummond, MT
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in May
Drummond, MT

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

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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