April weather forecastGrinnell, KS
April
Weather in April
April in Grinnell, Kansas, is a comfortable spring month, with an average temperature ranging between max 64.8°F (18.2°C) and min 43°F (6.1°C).Temperature
April's onset witnesses a minor shift in the average high-temperature, moving from a moderate 57.6°F (14.2°C) in March to a still refreshing 64.8°F (18.2°C). Grinnell logs a notable disparity from the daily highs during April, as the nighttime temperature lowers to an average of 43°F (6.1°C).Humidity
The average relative humidity in April is 54%.Rainfall
In April, in Grinnell, the rain falls for 11.8 days. Throughout April, 1.22" (31mm) of precipitation is accumulated. In Grinnell, Kansas, during the entire year, the rain falls for 105.4 days and collects up to 13.7" (348mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Grinnell. April is the last month it regularly snows in Grinnell. During 0.3 snowfall days, in April, Grinnell aggregates 0.16" (4mm) of snow. In Grinnell, during the entire year, snow falls for 12.1 days and aggregates up to 3.5" (89mm) of snow.Daylight
In April, the average length of the day in Grinnell is 13h and 16min.On the first day of April, sunrise is at 7:25 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:35 pm CDT.
Sunshine
In Grinnell, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index in Grinnell is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in April translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Grinnell, KS
- Average high temperature in April: 64.8°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in April: 43°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in April
Grinnell, KS
- Average pressure in April: 29.88"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in April
Grinnell, KS
- Average wind speed in April: 12.9mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.1mph).
Average humidity in April
Grinnell, KS
- Average humidity in April: 54%
The months with the highest relative humidity are January and December (63%).
The month with the lowest relative humidity is July (50%).
Average rainfall in April
Grinnell, KS
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January and November (0.39").
Average rainfall days in April
Grinnell, KS
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is November (4 days).
Average snowfall in April
Grinnell, KS
- Average snowfall in April: 0.16"
The month with the highest snowfall is December (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Grinnell, KS
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grinnell, KS
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h and 6min
The months with the most sunshine are June and July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in April
Grinnell, KS
- Average sunshine days in April: 16.2 days
The month with the most sunshine days is December (23.7 days).
The months with the least sunshine days are June and July (14.7 days).
Average UV index in April
Grinnell, KS
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Grinnell, KS
- Average cloud cover in April: 31
The months with the most cloud cover are February and April (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in April
Grinnell, KS
- 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).
