April weather forecastFort Lyon, CO
April
Weather in April
April is a comfortable spring month in Fort Lyon, Colorado, with an average temperature fluctuating between 45.1°F (7.3°C) and 67.3°F (19.6°C).Temperature
In Fort Lyon, the average high-temperature in April slightly rises, from a mild 60.4°F (15.8°C) in March, to a still refreshing 67.3°F (19.6°C). Marked by a significant temperature drop from daytime highs, the average nighttime temperature lowers to a chilly 45.1°F (7.3°C) throughout April.Humidity
In Fort Lyon, the average relative humidity in April is 41%.Rainfall
In April, the rain falls for 9 days. Throughout April, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 89.9 rainfall days, and 10.2" (259mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 1.5 days. Throughout April, 0.43" (11mm) of snow is accumulated. In Fort Lyon, during the entire year, snow falls for 23.2 days and aggregates up to 10.28" (261mm) of snow.Daylight
In Fort Lyon, the average length of the day in April is 13h and 13min.On the first day of April, sunrise is at 6:36 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:43 pm MDT.
Sunshine
In Fort Lyon, the average sunshine in April is 10.7h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during April translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Fort Lyon, CO
- Average high temperature in April: 67.3°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in April
Fort Lyon, CO
- Average pressure in April: 29.85"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in April
Fort Lyon, CO
- Average wind speed in April: 11.7mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).
Average humidity in April
Fort Lyon, CO
- Average humidity in April: 41%
The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).
Average rainfall in April
Fort Lyon, CO
- Average rainfall in April: 0.91"
The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").
Average rainfall days in April
Fort Lyon, CO
- Average rainfall days in April: 9 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Fort Lyon, CO
- Average snowfall in April: 0.43"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Fort Lyon, CO
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Fort Lyon, CO
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in April
Fort Lyon, CO
- Average sunshine days in April: 18.8 days
The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in April
Fort Lyon, CO
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in April
Fort Lyon, CO
- Average cloud cover in April: 25
The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in April
Fort Lyon, CO
- 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).
