April weather forecastSaint Robert, MO
April
Weather in April
April is an enjoyable spring month in Saint Robert, Missouri, with an average temperature varying between 47.3°F (8.5°C) and 66.6°F (19.2°C).Temperature
April indicates a change in the average high-temperature, moving up from a refreshing 55.9°F (13.3°C) in March to a comfortable 66.6°F (19.2°C). An average low-temperature of 47.3°F (8.5°C) is recorded during the nights in April.Humidity
The average relative humidity in April is 75%.Rainfall
In Saint Robert, in April, it is raining for 14.2 days, with typically 3.66" (93mm) of accumulated precipitation. In Saint Robert, Missouri, during the entire year, the rain falls for 147.7 days and collects up to 31.46" (799mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 0.5 days. Throughout April, 0.08" (2mm) of snow is accumulated. Throughout the year, there are 23.8 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 12min.On the first day of April, sunrise is at 6:52 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 4 in April translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Saint Robert, MO
- Average high temperature in April: 66.6°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in April: 47.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in April
Saint Robert, MO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Saint Robert, MO
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Saint Robert, MO
- Average humidity in April: 75%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August, September and October (73%).
Average rainfall in April
Saint Robert, MO
- Average rainfall in April: 3.66"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in April
Saint Robert, MO
- Average rainfall days in April: 14.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in April
Saint Robert, MO
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Saint Robert, MO
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (7.3 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 Robert, MO
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in April
Saint Robert, MO
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in April
Saint Robert, MO
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Saint Robert, MO
- Average cloud cover in April: 42
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Saint Robert, MO
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
