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 shift from March to April sees a slight increase in the average high-temperature, transitioning from a cool 53.2°F (11.8°C) to a moderate 59.7°F (15.4°C). Westminster experiences a substantial divergence from daytime highs in April, with average lows hovering around a cold 35.6°F (2°C).Humidity
In Westminster, the average relative humidity in April is 50%.Rainfall
In Westminster, in April, it is raining for 11.6 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 101.9 rainfall days, and 10.91" (277mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. April is the month with the most snowfall. Snow falls for 4.3 days and accumulates 5.55" (141mm) of snow.Daylight
In April, the average length of the day is 13h and 17min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:24 pm. On the last day of April, in Westminster, sunrise is at 6:00 am and sunset at 7:54 pm MDT.
Sunshine
In April, the average sunshine in Westminster is 10.8h.UV index
In Westminster, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Westminster in April?
What is the average humidity in April in Westminster?
How much does it rain in Westminster in April?
What is the snowiest month in Westminster?
How much does it snow in Westminster in April?
What is the average length of the day in April in Westminster?
What time are sunrise and sunset in April in Westminster?
How long on average sun shines in April in Westminster?
How high is the UV index in April in Westminster?
Average temperature in April
Westminster, CO
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in April: 35.6°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in April
Westminster, CO
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in April
Westminster, CO
- Average wind speed in April: 6.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and December (5.8mph).
Average humidity in April
Westminster, CO
- Average humidity in April: 50%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (40%).
Average rainfall in April
Westminster, CO
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is May (2.05").
The driest months (with the least rainfall) are January and December (0.35").
Average rainfall days in April
Westminster, CO
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Westminster, CO
- Average snowfall in April: 5.55"
The month with the highest snowfall is April (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Westminster, CO
- Average snowfall days in April: 4.3 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Westminster, 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 24min).
- Average sunshine in April: 10h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in April
Westminster, CO
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in April
Westminster, CO
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Westminster, CO
- Average cloud cover in April: 26
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in April
Westminster, 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).
Westminster, Colorado, USA
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