May weather forecast
Cortland, NE

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Weather in May

May, the last month of the spring in Cortland, is a pleasant month, with an average temperature fluctuating between 53.8°F (12.1°C) and 71.6°F (22°C).

Temperature

With the onset of May, Cortland experiences a temperature shift, with the average high-temperature moving from an enjoyable 62.6°F (17°C) in April to an agreeable 71.6°F (22°C). Cortland's nights in May cool down to an average low-temperature of 53.8°F (12.1°C).

Humidity

In May, the average relative humidity in Cortland is 72%.

Rainfall

The month with the most rainfall is May, when the rain falls for 16.5 days and typically aggregates up to 3.66" (93mm) of precipitation.

Snowfall

Months with snowfall in Cortland are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Cortland aggregates 0.2" (5mm) of snow. Throughout the year, in Cortland, there are 22.2 snowfall days, and 10.71" (272mm) of snow is accumulated.

Daylight

In May, the average length of the day in Cortland is 14h and 27min.
On the first day of the month, sunrise is at 6:24 am and sunset at 8:23 pm. On the last day of May, sunrise is at 5:58 am and sunset at 8:50 pm CDT.

Sunshine

The average sunshine in May in Cortland is 8.7h.

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 exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the usual temperature for Cortland in May?

In May, in Cortland, the average high-temperature is 71.6°F (22°C), and the average low-temperature is 53.8°F (12.1°C).

What is the average humidity in May in Cortland?

The average relative humidity in May in Cortland is 72%.

What is the wettest month in Cortland?

May is the month with the most rainfall. Rain falls for 16.5 days and accumulates 3.66" (93mm) of precipitation.

How many days does it rain in May in Cortland?

In Cortland, Nebraska, during May, the rain falls for 16.5 days and regularly aggregates up to 3.66" (93mm) of precipitation.

What is the last month it snows in Cortland?

May is the last month it regularly snows in Cortland. During 0.2 snowfall days, in May, Cortland aggregates 0.2" (5mm) of snow.

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

In Cortland, Nebraska, the average day length in May is 14h and 27min.

When are sunrise and sunset in May in Cortland?

In May, on the first day of the month, sunrise is at 6:24 am and sunset at 8:23 pm. On the last day of the month, in Cortland, Nebraska, sunrise is at 5:58 am and sunset at 8:50 pm CDT.

How long on average sun shines in May in Cortland?

In May, the average sunshine duration in Cortland, Nebraska, is 8.7h.

What is the UV index intensity in May in Cortland?

The average daily maximum UV index in May in Cortland, Nebraska, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Cortland, NE

Average temperature in May - Cortland, NE
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in May: 53.8°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in May
Cortland, NE

Average pressure in May - Cortland, NE
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in May
Cortland, NE

Average wind speed in May - Cortland, NE
  • Average wind speed in May: 9.8mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in May
Cortland, NE

Average humidity in May - Cortland, NE
  • Average humidity in May: 72%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (64%).

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Average rainfall in May
Cortland, NE

Average rainfall in May - Cortland, NE
  • Average rainfall in May: 3.66"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in May
Cortland, NE

Average rainfall days in May - Cortland, NE
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in May
Cortland, NE

Average snowfall in May - Cortland, NE
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Cortland, NE

Average snowfall days in May - Cortland, NE
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Cortland, NE
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
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 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in May
Cortland, NE

Average sunshine days in May - Cortland, NE
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in May
Cortland, NE

Average UV index in May - Cortland, 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, November and December (UV index 2).

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Average cloud cover in May
Cortland, NE

Average cloud cover in May - Cortland, NE
  • Average cloud cover in May: 40

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in May
Cortland, NE

Average visibility in May - Cortland, 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).

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Cortland, Nebraska, USA

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