April weather forecastSan Luis, CO
April
Weather in April
April in San Luis, Colorado, is a fresh spring month, with an average temperature ranging between max 52°F (11.1°C) and min 28.8°F (-1.8°C).Temperature
The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from a frosty 43.5°F (6.4°C) in March to a cool 52°F (11.1°C). The nighttime temperature shows a significant divergence from the daytime highs, averaging at a freezing cold 28.8°F (-1.8°C) in April.Humidity
The average relative humidity in April is 48%.Rainfall
In San Luis, in April, during 7.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In San Luis, Colorado, during the entire year, the rain falls for 72.2 days and collects up to 8.82" (224mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In San Luis, in April, during 7.2 snowfall days, 3.31" (84mm) of snow is typically accumulated. In San Luis, during the entire year, snow falls for 57.6 days and aggregates up to 28.58" (726mm) of snow.Daylight
In April, the average length of the day is 13h and 11min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:24 pm. On the last day of April, sunrise is at 6:07 am and sunset at 7:50 pm MDT.
Sunshine
In April, the average sunshine is 10.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 suggests these recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
San Luis, CO
- Average high temperature in April: 52°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in April: 28.8°F
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in April
San Luis, CO
- Average pressure in April: 29.89"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in April
San Luis, CO
- Average wind speed in April: 8.9mph
The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in April
San Luis, CO
- Average humidity in April: 48%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (38%).
Average rainfall in April
San Luis, CO
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in April
San Luis, CO
- Average rainfall days in April: 7.8 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (1.3 days).
Average snowfall in April
San Luis, CO
- Average snowfall in April: 3.31"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are July and August (0").
Average snowfall days in April
San Luis, CO
- Average snowfall days in April: 7.2 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
San Luis, CO
- 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 42min).
- Average sunshine in April: 10h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in April
San Luis, CO
- Average sunshine days in April: 16.8 days
The month with the most sunshine days is October (24.1 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in April
San Luis, CO
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
San Luis, CO
- Average cloud cover in April: 22
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and October (Cloud cover 14).
Average visibility in April
San Luis, CO
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
