April weather forecast and climate
Saint Marys, KS

April in Saint Marys, Kansas, is a comfortable spring month, with average temperature fluctuating between 64.4°F (18°C) and 45.1°F (7.3°C).

Temperature

In April, the average high-temperature rises, from a fresh 54.3°F (12.4°C) in March, to an enjoyable 64.4°F (18°C). In Saint Marys, in April, the average low-temperature is 45.1°F (7.3°C).

Humidity

The average relative humidity in Saint Marys, Kansas, is 69%.

Rainfall

In Saint Marys, Kansas, during April, the rain falls for 12.4 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, in Saint Marys, there are 114.1 rainfall days, and 20.67" (525mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows in Saint Marys. During 0.4 snowfall days, in April, Saint Marys aggregates 0.28" (7mm) of snow. Throughout the year, there are 17.9 snowfall days, and 6.61" (168mm) of snow is accumulated.

Daylight

The average length of the day in April is 13.3h.

Sunshine

The average sunshine in April is 8.6h.

UV index

The average daily maximum UV index in Saint Marys is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Saint Marys?

In Saint Marys, in April, the average high-temperature is 64.4°F (18°C), and the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in April in Saint Marys?

In Saint Marys, the average relative humidity in April is 69%.

How much does it rain in Saint Marys in April?

In Saint Marys, in April, it is raining for 12.4 days, with typically 1.89" (48mm) of accumulated precipitation.

What is the last month it snows in Saint Marys?

April is the last month it regularly snows. During 0.4 snowfall days, in April, Saint Marys aggregates 0.28" (7mm) of snow.

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

The average length of the day in April in Saint Marys is 13.3h.

How long on average sun shines in April in Saint Marys?

In Saint Marys, Kansas, the average sunshine in April is 8.6h.

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

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in April - Saint Marys, KS
  • Average high temperature in April: 64.4°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 April: 45.1°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 April - Saint Marys, KS
  • Average pressure in April: 29.9"

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 April - Saint Marys, KS
  • Average wind speed in April: 11.1mph

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 April - Saint Marys, KS
  • Average humidity in April: 69%

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

Average rainfall in April - Saint Marys, KS
  • Average rainfall in April: 1.89"

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 April - Saint Marys, KS
  • Average rainfall days in April: 12.4 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 April - Saint Marys, KS
  • Average snowfall in April: 0.28"

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 April - Saint Marys, KS
  • Average snowfall days in April: 0.4 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 April / Average sunshine in April - Saint Marys, KS
  • Average daylight in April: 13.3h

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 April: 8.6h

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 April - Saint Marys, KS
  • Average sunshine days in April: 16.2 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 April - Saint Marys, KS
  • Average UV index in April: 4

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 April - Saint Marys, KS
  • Average cloud cover in April: 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 April - Saint Marys, KS
  • Average visibility in April: 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).