May weather forecast
New Hartford, IA

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Weather in May

The last month of the spring, May, is a pleasant month in New Hartford, Iowa, with an average temperature fluctuating between 51.8°F (11°C) and 68.2°F (20.1°C).

Temperature

May brings a temperature change, with average high-temperatures moving from April's refreshing 56.3°F (13.5°C) to an agreeable 68.2°F (20.1°C). New Hartford registers a consistent average low-temperature of 51.8°F (11°C) during May.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In New Hartford, in May, during 19 rainfall days, 4.69" (119mm) of precipitation is typically accumulated. Throughout the year, there are 148.3 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, New Hartford aggregates 0.35" (9mm) of snow. Throughout the year, there are 53.2 snowfall days, and 22.4" (569mm) of snow is accumulated.

Daylight

In New Hartford, the average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:41 pm CDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

In New Hartford, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for New Hartford in May?

In May, the average high-temperature and low-temperature are 68.2°F (20.1°C) and 51.8°F (11°C) respectively.

What is the average humidity in May?

In New Hartford, the average relative humidity in May is 76%.

How much does it rain in May?

In New Hartford, during May, the rain falls for 19 days and regularly aggregates up to 4.69" (119mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, New Hartford aggregates 0.35" (9mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 38min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:03 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:41 pm CDT.

How long on average sun shines in May in New Hartford?

The average sunshine duration in May is 8.5h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
New Hartford, IA

Average temperature in May - New Hartford, IA
  • Average high temperature in May: 68.2°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).

  • Average low temperature in May: 51.8°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

Average pressure in May
New Hartford, IA

Average pressure in May - New Hartford, IA
  • Average pressure in May: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
New Hartford, IA

Average wind speed in May - New Hartford, IA
  • Average wind speed in May: 9.3mph

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 (7.1mph).

Average humidity in May
New Hartford, IA

Average humidity in May - New Hartford, IA
  • Average humidity in May: 76%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
New Hartford, IA

Average rainfall in May - New Hartford, IA
  • Average rainfall in May: 4.69"

The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in May
New Hartford, IA

Average rainfall days in May - New Hartford, IA
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in May
New Hartford, IA

Average snowfall in May - New Hartford, IA
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
New Hartford, IA

Average snowfall days in May - New Hartford, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (13.5 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 Hartford, IA

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
New Hartford, IA

Average sunshine days in May - New Hartford, IA
  • Average sunshine days in May: 9.5 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (7.8 days).

Average UV index in May
New Hartford, IA

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

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

Average cloud cover in May
New Hartford, IA

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

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in May
New Hartford, IA

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

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

New Hartford, Iowa, USA

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