May weather forecast
Luzerne, IA

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Weather in May

The last month of the spring, May, is a pleasant month in Luzerne, Iowa, with an average temperature fluctuating between 52.2°F (11.2°C) and 68.7°F (20.4°C).

Temperature

As May arrives, Luzerne's weather shows an increase in high-temperatures, moving from April's mild 57.7°F (14.3°C) to an agreeable 68.7°F (20.4°C). Throughout the month of May, Luzerne witnesses an average low-temperature of 52.2°F (11.2°C).

Humidity

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

Rainfall

The month with the most rainfall is May, when the rain falls for 18.1 days and typically aggregates up to 4.61" (117mm) of precipitation.

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, Luzerne aggregates 0.12" (3mm) of snow. Throughout the year, there are 39 snowfall days, and 16.69" (424mm) of snow is accumulated.

Daylight

In Luzerne, the average length of the day in May is 14h and 35min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:37 pm CDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In May, the average high-temperature and low-temperature are 68.7°F (20.4°C) and 52.2°F (11.2°C) respectively.

What is the average humidity in May in Luzerne?

The average relative humidity in May is 78%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 18.1 days and accumulates 4.61" (117mm) of precipitation.

How much does it rain in May?

In Luzerne, in May, it is raining for 18.1 days, with typically 4.61" (117mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Luzerne aggregates 0.12" (3mm) of snow.

How many hours of daylight does Luzerne have in May?

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

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:03 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:37 pm CDT.

How many hours of sunshine does Luzerne have in May?

In May, the average sunshine duration is 8.5h.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes 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
Luzerne, IA

Average temperature in May - Luzerne, IA
  • Average high temperature in May: 68.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in May: 52.2°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in May
Luzerne, IA

Average pressure in May - Luzerne, 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
Luzerne, IA

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

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

Average humidity in May
Luzerne, IA

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

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Luzerne, IA

Average rainfall in May - Luzerne, IA
  • Average rainfall in May: 4.61"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in May
Luzerne, IA

Average rainfall days in May - Luzerne, IA
  • Average rainfall days in May: 18.1 days

The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in May
Luzerne, IA

Average snowfall in May - Luzerne, IA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Luzerne, IA

Average snowfall days in May - Luzerne, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Luzerne, 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 3min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in May
Luzerne, IA

Average sunshine days in May - Luzerne, IA
  • Average sunshine days in May: 10.6 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in May
Luzerne, IA

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

The month with the highest UV index is June (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
Luzerne, IA

Average cloud cover in May - Luzerne, IA
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in May
Luzerne, IA

Average visibility in May - Luzerne, 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).

Luzerne, Iowa, USA

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