May weather forecast
Buffalo, MT

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Weather in May

May, the last month of the spring in Buffalo, is a moderate month, with an average temperature ranging between min 40.1°F (4.5°C) and max 58.5°F (14.7°C).

Temperature

With the onset of May, Buffalo sees a temperature rise, with the average high-temperature moving from April's frosty 47.8°F (8.8°C) to a mild 58.5°F (14.7°C). An average low-temperature of 40.1°F (4.5°C) marks the month of May in Buffalo.

Humidity

The average relative humidity in May is 65%.

Rainfall

The month with the most rainfall is May, when the rain falls for 19.3 days and typically aggregates up to 3.39" (86mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Buffalo, in May, during 2.4 snowfall days, 2.48" (63mm) of snow is typically accumulated. Throughout the year, in Buffalo, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.

Daylight

In May, the average length of the day is 15h and 4min.
On the first day of May, sunrise is at 6:02 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 9:05 pm MDT.

Sunshine

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

UV index

In May, the average daily maximum UV index in Buffalo is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 4 in May translates into these instructions:
Take precautions - Protection against sunburn is recommended. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What is the average May temperature in Buffalo?

In Buffalo, in May, the average high-temperature is 58.5°F (14.7°C), and the average low-temperature is 40.1°F (4.5°C).

What is the average humidity in May in Buffalo?

In May, the average relative humidity in Buffalo, Montana, is 65%.

What is the wettest month in Buffalo?

The month with the most rainfall in Buffalo, Montana, is May, when the rain falls for 19.3 days and typically aggregates up to 3.39" (86mm) of precipitation.

How many days does it rain in May in Buffalo?

In Buffalo, Montana, in May, it is raining for 19.3 days, with typically 3.39" (86mm) of accumulated precipitation.

How many days does it snow in May in Buffalo?

In Buffalo, during May, snow falls for 2.4 days and regularly aggregates up to 2.48" (63mm) of snow.

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

The average day length in May in Buffalo is 15h and 4min.

What time are sunrise and sunset in May in Buffalo?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:30 pm. On the last day of the month, in Buffalo, sunrise is at 5:28 am and sunset at 9:05 pm MDT.

How long on average sun shines in May in Buffalo?

The average sunshine duration in May is 10h.

How high is the UV index in May in Buffalo?

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

Average temperature in May - Buffalo, MT
  • Average high temperature in May: 58.5°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).

  • Average low temperature in May: 40.1°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

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Average pressure in May
Buffalo, MT

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

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

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Average wind speed in May
Buffalo, MT

Average wind speed in May - Buffalo, MT
  • Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

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Average humidity in May
Buffalo, MT

Average humidity in May - Buffalo, MT
  • Average humidity in May: 65%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in May
Buffalo, MT

Average rainfall in May - Buffalo, MT
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in May
Buffalo, MT

Average rainfall days in May - Buffalo, MT
  • Average rainfall days in May: 19.3 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in May
Buffalo, MT

Average snowfall in May - Buffalo, MT
  • Average snowfall in May: 2.48"

The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").

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Average snowfall days in May
Buffalo, MT

Average snowfall days in May - Buffalo, MT
  • Average snowfall days in May: 2.4 days

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).

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

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

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

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in May
Buffalo, MT

Average sunshine days in May - Buffalo, MT
  • Average sunshine days in May: 8.9 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

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Average UV index in May
Buffalo, MT

Average UV index in May - Buffalo, 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, April, October, November and December (UV index 2).

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Average cloud cover in May
Buffalo, MT

Average cloud cover in May - Buffalo, MT
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).

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Average visibility in May
Buffalo, MT

Average visibility in May - Buffalo, 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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Buffalo, Montana, USA

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