May weather forecast and climate
Saint Helena, NE

Weather in May

The last month of the spring, May, is a pleasant month in Saint Helena, Nebraska, with average temperature varying between 69.1°F (20.6°C) and 50.9°F (10.5°C).

Temperature

In Saint Helena, the average high-temperature in May rises, from a moderate 57.9°F (14.4°C) in April, to a pleasant 69.1°F (20.6°C). In Saint Helena, Nebraska, the average low-temperature is 50.9°F (10.5°C).

Humidity

In Saint Helena, the average relative humidity is 70%.

Rainfall

The month with the most rainfall is May when the rain falls for 16.9 days and typically aggregates up to 3.78" (96mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Saint Helena. During 0.2 snowfall days, Saint Helena aggregates 0.31" (8mm) of snow. Throughout the year, in Saint Helena, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.

Daylight

In Saint Helena, the average length of the day in May is 14.7h.

Sunshine

In Saint Helena, the average sunshine is 8.9h.

UV index

In Saint Helena, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Saint Helena?

In Saint Helena, in May, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in May in Saint Helena?

In Saint Helena, Nebraska, the average relative humidity in May is 70%.

How much does it rain in Saint Helena in May?

In Saint Helena, in May, it is raining for 16.9 days, with typically 3.78" (96mm) of accumulated precipitation.

What is the wettest month in Saint Helena?

The month with the most rainfall in Saint Helena, Nebraska, is May when the rain falls for 16.9 days and typically aggregates up to 3.78" (96mm) of precipitation.

What is the last month it snows in Saint Helena?

May is the last month it regularly snows in Saint Helena. During 0.2 snowfall days, in May, Saint Helena aggregates 0.31" (8mm) of snow.

What is the average length of the day in May in Saint Helena?

In Saint Helena, Nebraska, the average length of the day in May is 14.7h.

How many hours of sunshine does Saint Helena have in May?

In May, the average sunshine in Saint Helena is 8.9h.

What is the UV index intensity in May in Saint Helena?

In May, the average daily maximum UV index in Saint Helena, Nebraska, is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Saint Helena, NE

Average temperature in May - Saint Helena, NE
  • Average high temperature in May: 69.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in May
Saint Helena, NE

Average pressure in May - Saint Helena, NE
  • Average pressure in May: 29.92"

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

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Average wind speed in May
Saint Helena, NE

Average wind speed in May - Saint Helena, NE
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in May
Saint Helena, NE

Average humidity in May - Saint Helena, NE
  • Average humidity in May: 70%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

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Average rainfall in May
Saint Helena, NE

Average rainfall in May - Saint Helena, NE
  • Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in May
Saint Helena, NE

Average rainfall days in May - Saint Helena, NE
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in May
Saint Helena, NE

Average snowfall in May - Saint Helena, NE
  • Average snowfall in May: 0.31"

The month with the highest snowfall is December (2.95").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Saint Helena, NE

Average snowfall days in May - Saint Helena, NE
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (9.7 days).
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
Saint Helena, NE

Average daylight in May / Average sunshine in May - Saint Helena, NE
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 4.4h).

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Average sunshine days in May
Saint Helena, NE

Average sunshine days in May - Saint Helena, NE
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in May
Saint Helena, NE

Average UV index in May - Saint Helena, NE
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Saint Helena, NE

Average cloud cover in May - Saint Helena, NE
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in May
Saint Helena, NE

Average visibility in May - Saint Helena, NE
  • Average visibility in May: 6mi

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

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