May weather forecast
Plattsmouth, NE

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Weather in May

May boasts the highest rainfall seen in Plattsmouth, at an impressive average of 4.29" (109mm) distributed over 16.6 days. Toleration of plants and flowers flourishes with the generous amount of precipitation, and parks and gardens become a riot of colors. Days continue to get longer, and city inhabitants relish in the increasing daylight, which harmonizes with the magnifying greenery around Plattsmouth. Temperature, meanwhile, begins to rise, hinting at the arrival of summer. But the spring remains dominant, with the city's combination of weather characteristics painting a vibrant, burgeoning picture of life.

Temperature

With the onset of May, Plattsmouth's average high-temperature sees a rise, moving from April's comfortable 61.7°F (16.5°C) to an agreeable 71.4°F (21.9°C). Throughout May, the temperature in Plattsmouth tends to fall to a consistent average low of 54.1°F (12.3°C).

Humidity

The average relative humidity in May is 73%.

Rainfall

In Plattsmouth, in May, it is raining for 16.6 days, with typically 4.29" (109mm) of accumulated precipitation. In Plattsmouth, during the entire year, the rain falls for 122.8 days and collects up to 26.69" (678mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Plattsmouth aggregates 0.12" (3mm) of snow. Throughout the year, there are 28.2 snowfall days, and 10.91" (277mm) of snow is accumulated.

Daylight

The average length of the day in May in Plattsmouth is 14h and 30min.
On the first day of May in Plattsmouth, Nebraska, sunrise is at 6:20 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:49 pm CDT.

Sunshine

The average sunshine in May is 8.6h.

UV index

In Plattsmouth, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Plattsmouth?

The high-temperature in Plattsmouth during May is 71.4°F (21.9°C) and the low-temperature is 54.1°F (12.3°C).

What is the average humidity in May in Plattsmouth?

In May, the average relative humidity is 73%.

How many days does it rain in May in Plattsmouth?

In Plattsmouth, Nebraska, in May, during 16.6 rainfall days, 4.29" (109mm) of precipitation is typically accumulated.

What is the last month it snows in Plattsmouth?

May is the last month it regularly snows in Plattsmouth. During 0.1 snowfall days, in May, Plattsmouth aggregates 0.12" (3mm) of snow.

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

In Plattsmouth, Nebraska, the average day length in May is 14h and 30min.

When is the sunrise / sunset in May in Plattsmouth?

On the first day of May in Plattsmouth, Nebraska, sunrise is at 6:20 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:49 pm CDT.

How long on average sun shines in May in Plattsmouth?

In Plattsmouth, Nebraska, the average sunshine duration in May is 8.6h.

What is the UV index reading in May in Plattsmouth?

The average daily maximum UV index in May in Plattsmouth is 5. A UV Index reading of 3 to 5 represents a moderate health threat from 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
Plattsmouth, NE

Average temperature in May - Plattsmouth, NE
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in May
Plattsmouth, NE

Average pressure in May - Plattsmouth, NE
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in May
Plattsmouth, NE

Average wind speed in May - Plattsmouth, NE
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in May
Plattsmouth, NE

Average humidity in May - Plattsmouth, NE
  • Average humidity in May: 73%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).

Average rainfall in May
Plattsmouth, NE

Average rainfall in May - Plattsmouth, NE
  • Average rainfall in May: 4.29"

The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in May
Plattsmouth, NE

Average rainfall days in May - Plattsmouth, NE
  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (3.2 days).

Average snowfall in May
Plattsmouth, NE

Average snowfall in May - Plattsmouth, NE
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Plattsmouth, NE

Average snowfall days in May - Plattsmouth, NE
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Plattsmouth, NE

Average daylight in May / Average sunshine in May - Plattsmouth, NE
  • 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 18min).

  • Average sunshine in May: 8h and 4min

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 36min).

Average sunshine days in May
Plattsmouth, NE

Average sunshine days in May - Plattsmouth, NE
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in May
Plattsmouth, NE

Average UV index in May - Plattsmouth, NE
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in May
Plattsmouth, NE

Average cloud cover in May - Plattsmouth, NE
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Plattsmouth, NE

Average visibility in May - Plattsmouth, NE
  • 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).

Plattsmouth, Nebraska, USA

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