Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The transition from March to April brings a temperature rise, with average high-temperatures increasing from a frosty 47.5°F (8.6°C) to a mild 57.2°F (14°C). During the nights in April, Saint Charles experiences a consistent average temperature of 40.3°F (4.6°C).Humidity
In April, the average relative humidity is 65%.Rainfall
In Saint Charles, South Dakota, in April, during 11.6 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 109.3 rainfall days, and 19.41" (493mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, in Saint Charles, it is snowing for 2.8 days. Throughout April, 1.26" (32mm) of snow is accumulated. In Saint Charles, during the entire year, snow falls for 33.1 days and aggregates up to 14.29" (363mm) of snow.Daylight
In Saint Charles, the average length of the day in April is 13h and 26min.On the first day of April in Saint Charles, sunrise is at 7:16 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:36 pm CDT.
Sunshine
The average sunshine in April is 7.9h.UV index
In April, the average daily maximum UV index in Saint Charles is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Saint Charles?
What is the average humidity in April in Saint Charles?
How much does it rain in Saint Charles in April?
How much does it snow in Saint Charles in April?
How many hours of daylight does Saint Charles have in April?
What time are sunrise and sunset in April in Saint Charles?
How many hours of sunshine does Saint Charles have in April?
How high is the UV index in April in Saint Charles?
Average temperature in April
Saint Charles, SD
- Average high temperature in April: 57.2°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in April
Saint Charles, SD
- Average pressure in April: 29.92"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).
Average wind speed in April
Saint Charles, SD
- Average wind speed in April: 12.2mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).
Average humidity in April
Saint Charles, SD
- Average humidity in April: 65%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (61%).
Average rainfall in April
Saint Charles, SD
- Average rainfall in April: 2.2"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Saint Charles, SD
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in April
Saint Charles, SD
- Average snowfall in April: 1.26"
The month with the highest snowfall is December (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Saint Charles, SD
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Charles, SD
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in April
Saint Charles, SD
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in April
Saint Charles, SD
- Average UV index in April: 3
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).
Average cloud cover in April
Saint Charles, SD
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July, August and September (Cloud cover 25).
Average visibility in April
Saint Charles, SD
- Average visibility in April: 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).
Saint Charles, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location