May weather forecast
Buffalo, IA

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Weather in May

May, the last month of the spring in Buffalo, is a pleasant month, with an average temperature varying between 70.3°F (21.3°C) and 53.6°F (12°C).

Temperature

As Buffalo transitions into May, the average high-temperature shows a change, moving from a mild 59.2°F (15.1°C) in April to an agreeable 70.3°F (21.3°C). Throughout May, the average low-temperature dips to a fresh 53.6°F (12°C).

Humidity

The average relative humidity in May in Buffalo is 78%.

Rainfall

The month with the most rainfall in Buffalo is May, when the rain falls for 16.5 days and typically aggregates up to 3.31" (84mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May is 14h and 32min.
On the first day of May in Buffalo, sunrise is at 5:58 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:29 pm CDT.

Sunshine

The average sunshine in May in Buffalo is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What is the average May temperature in Buffalo?

The high-temperature during May is 70.3°F (21.3°C) and the low-temperature is 53.6°F (12°C).

What is the average humidity in May in Buffalo?

In May, the average relative humidity in Buffalo is 78%.

What is the wettest month in Buffalo?

May is the month with the most rainfall in Buffalo, Iowa. Rain falls for 16.5 days and accumulates 3.31" (84mm) of precipitation.

How much does it rain in Buffalo in May?

In Buffalo, during May, the rain falls for 16.5 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When it does not snow in Buffalo?

May through September are months without snowfall.

Does it snow in Buffalo in May?

In May, in Buffalo, Iowa, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Buffalo have in May?

In Buffalo, the average day length in May is 14h and 32min.

When are sunrise and sunset in May in Buffalo?

On the first day of May, sunrise is at 5:58 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:29 pm CDT.

How many hours of sunshine does Buffalo have in May?

The average sunshine duration in May in Buffalo, Iowa, is 8.8h.

What is the UV index reading in May in Buffalo?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Buffalo, IA

Average temperature in May - Buffalo, IA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in May
Buffalo, IA

Average pressure in May - Buffalo, IA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
Buffalo, IA

Average wind speed in May - Buffalo, IA
  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in May
Buffalo, IA

Average humidity in May - Buffalo, IA
  • Average humidity in May: 78%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Buffalo, IA

Average rainfall in May - Buffalo, IA
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in May
Buffalo, IA

Average rainfall days in May - Buffalo, IA
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in May
Buffalo, IA

Average snowfall in May - Buffalo, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Buffalo, IA

Average snowfall days in May - Buffalo, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Buffalo, IA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in May
Buffalo, IA

Average sunshine days in May - Buffalo, IA
  • Average sunshine days in May: 10.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in May
Buffalo, IA

Average UV index in May - Buffalo, IA
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Buffalo, IA

Average cloud cover in May - Buffalo, IA
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Buffalo, IA

Average visibility in May - Buffalo, IA
  • 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, Iowa, USA

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