May weather forecast
New Buffalo, IA

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Weather in May

May, the last month of the spring in New Buffalo, is an agreeable month, with an average temperature ranging between min 52°F (11.1°C) and max 68.5°F (20.3°C).

Temperature

May brings a temperature change, with average high-temperatures moving from April's moderate 57°F (13.9°C) to an agreeable 68.5°F (20.3°C). An average low-temperature of 52°F (11.1°C) is observed during the May nights.

Humidity

In New Buffalo, the average relative humidity in May is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17.7 days and typically aggregates up to 4.37" (111mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in New Buffalo. During 0.1 snowfall days, in May, New Buffalo aggregates 0.08" (2mm) of snow. Throughout the year, in New Buffalo, there are 41.2 snowfall days, and 16.73" (425mm) of snow is accumulated.

Daylight

In New Buffalo, the average length of the day in May is 14h and 35min.
On the first day of May, sunrise is at 6:01 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:35 pm CDT.

Sunshine

In New Buffalo, the average sunshine in May is 8.6h.

UV index

In New Buffalo, Iowa, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

An average high-temperature, in May, in New Buffalo, is 68.5°F (20.3°C) and the average low-temperature is 52°F (11.1°C).

What is the average humidity in May?

In New Buffalo, the average relative humidity in May is 79%.

What is the rainiest month?

The month with the most rainfall in New Buffalo is May, when the rain falls for 17.7 days and typically aggregates up to 4.37" (111mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 17.7 days. Throughout May, 4.37" (111mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, New Buffalo aggregates 0.08" (2mm) of snow.

What is the average length of the day in May?

In New Buffalo, the average day length in May is 14h and 35min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:35 pm CDT.

How many hours of sunshine does New Buffalo have in May?

The average sunshine duration in May is 8.6h.

What is the UV index intensity in May?

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

Average temperature in May - New Buffalo, IA
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in May: 52°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in May
New Buffalo, IA

Average pressure in May - New 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 (29.89"Hg).

Average wind speed in May
New Buffalo, IA

Average wind speed in May - New Buffalo, IA
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in May
New Buffalo, IA

Average humidity in May - New Buffalo, IA
  • Average humidity in May: 79%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).

Average rainfall in May
New Buffalo, IA

Average rainfall in May - New Buffalo, IA
  • Average rainfall in May: 4.37"

The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").

Average rainfall days in May
New Buffalo, IA

Average rainfall days in May - New Buffalo, IA
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in May
New Buffalo, IA

Average snowfall in May - New Buffalo, IA
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
New Buffalo, IA

Average snowfall days in May - New Buffalo, IA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - New Buffalo, IA
  • Average daylight in May: 14h and 4min

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

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
New Buffalo, IA

Average sunshine days in May - New Buffalo, IA
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

Average UV index in May
New Buffalo, IA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
New Buffalo, IA

Average cloud cover in May - New Buffalo, IA
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
New Buffalo, IA

Average visibility in May - New Buffalo, IA
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).

New Buffalo, Iowa, USA

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