May weather forecast
Buffalo, WY

Weather in May

May, the last month of the spring in Buffalo, is a moderate month, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 39.2°F (4°C).

Temperature

In May, the average high-temperature increases from a frosty 46.9°F (8.3°C) in April to a moderate 57.2°F (14°C). The average low-temperature, in Buffalo, is 39.2°F (4°C).

Humidity

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

Rainfall

May is the month with the most rainfall in Buffalo. Rain falls for 21.2 days and accumulates 3.35" (85mm) of precipitation.

Snowfall

Months with snowfall in Buffalo are January through June, September through December. In Buffalo, during 3.8 snowfall days, 3.07" (78mm) of snow is typically accumulated. Throughout the year, there are 78 snowfall days, and 39.13" (994mm) of snow is accumulated.

Daylight

In Buffalo, the average length of the day in May is 14h and 49min.
On the first day of the month, sunrise is at 5:56 am and sunset at 8:10 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:43 pm MDT.

Sunshine

The average sunshine in May in Buffalo is 10.3h.

UV index

In Buffalo, Wyoming, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Buffalo?

The average relative humidity in May is 65%.

What is the rainiest month in Buffalo?

May is the month with the most rainfall in Buffalo. Rain falls for 21.2 days and accumulates 3.35" (85mm) of precipitation.

How much does it rain in Buffalo in May?

In May, in Buffalo, Wyoming, the rain falls for 21.2 days. Throughout May, 3.35" (85mm) of precipitation is accumulated.

How many days does it snow in May in Buffalo?

In May, in Buffalo, Wyoming, it is snowing for 3.8 days. Throughout May, 3.07" (78mm) of snow is accumulated.

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

In May, the average day length in Buffalo is 14h and 49min.

When is the sunrise / sunset in May in Buffalo?

On the first day of May, sunrise is at 5:56 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:43 pm MDT.

How many hours of sunshine does Buffalo have in May?

The average sunshine duration in May is 10.3h.

What is the UV index reading in May in Buffalo?

In Buffalo, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.

Average temperature in May
Buffalo, WY

Average temperature in May - Buffalo, WY
  • Average high temperature in May: 57.2°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (28.9°F).

  • Average low temperature in May: 39.2°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (14°F).

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Average pressure in May
Buffalo, WY

Average pressure in May - Buffalo, WY
  • Average pressure in May: 29.9"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
Buffalo, WY

Average wind speed in May - Buffalo, WY
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in May
Buffalo, WY

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

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in May
Buffalo, WY

Average rainfall in May - Buffalo, WY
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (0.47").

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Average rainfall days in May
Buffalo, WY

Average rainfall days in May - Buffalo, WY
  • Average rainfall days in May: 21.2 days

The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is December (5 days).

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Average snowfall in May
Buffalo, WY

Average snowfall in May - Buffalo, WY
  • Average snowfall in May: 3.07"

The month with the highest snowfall is April (7.05").
The months with the least snowfall are July and August (0").

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Average snowfall days in May
Buffalo, WY

Average snowfall days in May - Buffalo, WY
  • Average snowfall days in May: 3.8 days

The month with the highest number of snowfall days is February (13.7 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, WY

Average daylight in May / Average sunshine in May - Buffalo, WY
  • Average daylight in May: 14h and 49min

The month with the longest days is June (Average daylight: 15h and 28min).
The month with the shortest days is December (Average daylight: 8h and 55min).

  • Average sunshine in May: 10.3h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.3h).

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Average sunshine days in May
Buffalo, WY

Average sunshine days in May - Buffalo, WY
  • Average sunshine days in May: 5.5 days

The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (5.5 days).

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Average UV index in May
Buffalo, WY

Average UV index in May - Buffalo, WY
  • 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, WY

Average cloud cover in May - Buffalo, WY
  • Average cloud cover in May: 33

The month with the most cloud cover is April (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 17).

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Average visibility in May
Buffalo, WY

Average visibility in May - Buffalo, WY
  • 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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