May weather forecast and climate
Saint Marys, KS

May, the last month of the spring, in Saint Marys, is a pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 55.4°F (13°C).

Temperature

In Saint Marys, the average high-temperature marginally rises, from a comfortable 64.4°F (18°C) in April, to an agreeable 73°F (22.8°C). The average low-temperature, in Saint Marys, is 55.4°F (13°C).

Humidity

Months with the highest humidity are May and June, with an average relative humidity of 76%.

Rainfall

May is the month with the most rainfall in Saint Marys. Rain falls for 15.2 days and accumulates 3.19" (81mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day is 14.3h.

Sunshine

In Saint Marys, the average sunshine is 9h.

UV index

In May, the average daily maximum UV index in Saint Marys is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Saint Marys?

In Saint Marys, Kansas, in May, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 55.4°F (13°C).

What are the most humid months in Saint Marys?

Months with the highest humidity in Saint Marys, Kansas, are May and June, with an average relative humidity of 76%.

What is the average humidity in May in Saint Marys?

The average relative humidity in May in Saint Marys, Kansas, is 76%.

How much does it rain in Saint Marys in May?

In May, in Saint Marys, the rain falls for 15.2 days. Throughout May, 3.19" (81mm) of precipitation is accumulated.

What is the wettest month in Saint Marys?

The month with the most rainfall in Saint Marys is May when the rain falls for 15.2 days and typically aggregates up to 3.19" (81mm) of precipitation.

Does it snow in Saint Marys in May?

In May, in Saint Marys, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Saint Marys?

In Saint Marys snow does not fall in May through September.

How many hours of daylight does Saint Marys have in May?

In Saint Marys, the average length of the day in May is 14.3h.

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

The average sunshine in May in Saint Marys is 9h.

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

The average daily maximum UV index in May in Saint Marys is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Saint Marys, KS
  • Average high temperature in May: 73°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in May - Saint Marys, KS
  • Average pressure in May: 29.91"

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

Average wind speed in May - Saint Marys, KS
  • Average wind speed in May: 9.4mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in May - Saint Marys, KS
  • Average humidity in May: 76%

Months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is October (66%).

Average rainfall in May - Saint Marys, KS
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and December (0.55").

Average rainfall days in May - Saint Marys, KS
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in May - Saint Marys, KS
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.77").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May - Saint Marys, KS
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.9 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Saint Marys, KS
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 9h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
Months with the least sunshine are January and December (Average sunshine: 5.6).

Average sunshine days in May - Saint Marys, KS
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is May (13.4 days).

Average UV index in May - Saint Marys, KS
  • Average UV index in May: 6

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May - Saint Marys, KS
  • Average cloud cover in May: 38

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).

Average visibility in May - Saint Marys, KS
  • 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).