May weather forecast and climate
Buffalo, WY

Weather in May

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

Temperature

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

Humidity

The average relative humidity in Buffalo is 65%.

Rainfall

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

Snowfall

Months with snowfall are January through June, September through December. In May, it is snowing for 3.8 days. Throughout May, 3.07" (78mm) of snow is accumulated. In Buffalo, during the entire year, snow falls for 78 days, and aggregates up to 39.13" (994mm) of snow.

Daylight

In Buffalo, the average length of the day is 14.8h.

Sunshine

In May, the average sunshine in Buffalo is 10.3h.

UV index

The average daily maximum UV index in Buffalo is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 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?

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

What is the wettest month in Buffalo?

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

How many days does it rain in May in Buffalo?

In Buffalo, Wyoming, in May, during 21.2 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

How many days does it snow in May in Buffalo?

In Buffalo, Wyoming, during May, snow falls for 3.8 days and regularly aggregates up to 3.07" (78mm) of snow.

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

In May, the average length of the day in Buffalo, Wyoming, is 14.8h.

How long on average sun shines in May in Buffalo?

In Buffalo, the average sunshine in May is 10.3h.

What is the UV index intensity in May in Buffalo?

In Buffalo, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in May
Buffalo, WY

Average temperature in May - Buffalo, WY
  • Average high temperature in May: 14°C

The warmest month (with the highest average high temperature) is July (26°C).
The month with the lowest average high temperature is February (-1.7°C).

  • Average low temperature in May: 4°C

The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).

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Average pressure in May
Buffalo, WY

Average pressure in May - Buffalo, WY
  • Average pressure in May: 1012.6mbar

The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).

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Average wind speed in May
Buffalo, WY

Average wind speed in May - Buffalo, WY
  • Average wind speed in May: 11.9km/h

The windiest month (with the highest average wind speed) is April (12.5km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

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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: 85mm

The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is December (12mm).

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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: 78mm

The month with the highest snowfall is April (179mm).
Months with the least snowfall are July and August (0mm).

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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).
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: 14.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • 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).
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).
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: 9km

Months with the highest visibility are June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, May, November and December (9km).

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