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
The transition from March to April brings a temperature rise, with average high-temperatures increasing from an icy 37.2°F (2.9°C) to a frosty 46.6°F (8.1°C). Throughout April, Hayden anticipates an average low-temperature of 27.9°F (-2.3°C).Humidity
The average relative humidity in April is 69%.Rainfall
The month with the most rainfall is April, when the rain falls for 12.3 days and typically aggregates up to 1.81" (46mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In April, it is snowing for 9.9 days. Throughout April, 7.68" (195mm) of snow is accumulated. In Hayden, during the entire year, snow falls for 87.1 days and aggregates up to 60.47" (1536mm) of snow.Daylight
The average length of the day in April is 13h and 19min.On the first day of April in Hayden, sunrise is at 6:51 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:04 pm MDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in April interprets into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
What is the rainiest month?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Hayden have in April?
What is the month with the lowest UV index?
How high is the UV index in April?
Average temperature in April
Hayden, CO
- Average high temperature in April: 46.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in April: 27.9°F
The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in April
Hayden, CO
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed in April
Hayden, CO
- Average wind speed in April: 7.1mph
The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in April
Hayden, CO
- Average humidity in April: 69%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (45%).
Average rainfall in April
Hayden, CO
- Average rainfall in April: 1.81"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in April
Hayden, CO
- Average rainfall days in April: 12.3 days
The months with the highest number of rainy days are April and May (12.3 days).
The month with the least rainy days is November (5 days).
Average snowfall in April
Hayden, CO
- Average snowfall in April: 7.68"
The month with the highest snowfall is January (11.34").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Hayden, CO
- Average snowfall days in April: 9.9 days
The month with the highest number of snowfall days is February (16.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Hayden, CO
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 10h and 1min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in April
Hayden, CO
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is June (19.6 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in April
Hayden, CO
- Average UV index in April: 2
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, April, October, November and December (UV index 2).
Average cloud cover in April
Hayden, CO
- Average cloud cover in April: 34
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are June, August and September (Cloud cover 13).
Average visibility in April
Hayden, CO
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Hayden, Colorado, USA
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