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
As Jefferson steps into April, the average high-temperature holds at a cold 33.6°F (0.9°C), hinting at a minor fluctuation from the prior month. April in Jefferson is noted for a mean low-temperature of 13.5°F (-10.3°C).Humidity
In Jefferson, the average relative humidity in April is 84%.Rainfall
In Jefferson, in April, during 6.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Jefferson, Colorado, during the entire year, the rain falls for 110.4 days and collects up to 24.09" (612mm) of precipitation.Snowfall
January through December are months with snowfall in Jefferson. In Jefferson, in April, during 22.8 snowfall days, 19.41" (493mm) of snow is typically accumulated. Throughout the year, there are 158 snowfall days, and 118.82" (3018mm) of snow is accumulated.Daylight
The average length of the day in April in Jefferson is 13h and 16min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:04 am and sunset at 7:56 pm MDT.
Sunshine
In Jefferson, Colorado, the average sunshine in April is 8.3h.UV index
In Jefferson, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during April leads to these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is April in Jefferson?
What is the average humidity in April in Jefferson?
How many days does it rain in April in Jefferson?
How many days does it snow in April in Jefferson?
What is the average length of the day in April in Jefferson?
When are sunrise and sunset in April in Jefferson?
How long on average sun shines in April in Jefferson?
How high is the UV index in April in Jefferson?
Average temperature in April
Jefferson, CO
- Average high temperature in April: 33.6°F
The warmest month (with the highest average high temperature) is July (65.8°F).
The month with the lowest average high temperature is December (21.2°F).
- Average low temperature in April: 13.5°F
The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (0.7°F).
Average pressure in April
Jefferson, CO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in April
Jefferson, CO
- Average wind speed in April: 6.3mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Jefferson, CO
- Average humidity in April: 84%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (54%).
Average rainfall in April
Jefferson, CO
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in April
Jefferson, CO
- Average rainfall days in April: 6.7 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (2.8 days).
Average snowfall in April
Jefferson, CO
- Average snowfall in April: 19.41"
The month with the highest snowfall is May (19.69").
The month with the least snowfall is July (0.24").
Average snowfall days in April
Jefferson, CO
- Average snowfall days in April: 22.8 days
The month with the highest number of snowfall days is April (22.8 days).
The month with the least snowfall days is July (1.3 days).
Average daylight in April /
Average sunshine in April
Jefferson, CO
- Average daylight in April: 13h and 2min
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 24min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in April
Jefferson, CO
- Average sunshine days in April: 6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in April
Jefferson, CO
- Average UV index in April: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in April
Jefferson, CO
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 19).
Average visibility in April
Jefferson, CO
- Average visibility in April: 4mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Jefferson, Colorado, USA
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