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 Jamestown transitions into April, a marginal rise in the average high-temperature is observed, moving from a chilly 46.4°F (8°C) in March to a cool 52.3°F (11.3°C). During April, Jamestown reports a marked contrast from daily peak temperatures, with an average nighttime reading of 30.7°F (-0.7°C).Humidity
The average relative humidity in April is 58%.Rainfall
In Jamestown, in April, it is raining for 12.3 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 117.3 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. April is the month with the most snowfall. Snow falls for 4.9 days and accumulates 7.76" (197mm) of snow.Daylight
In April, the average length of the day is 13h and 18min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:55 pm MDT.
Sunshine
The average sunshine in April in Jamestown is 10.3h.UV index
In Jamestown, the average daily maximum UV index in April is 3. 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 daily UV index of 3 in April interprets into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Jamestown?
What is the average humidity in April?
How much does it rain in April?
What is the snowiest month?
How much does it snow in Jamestown in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Jamestown, CO
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in April: 30.7°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in April
Jamestown, CO
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).
Average wind speed in April
Jamestown, CO
- Average wind speed in April: 6.6mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are May, July, August and September (5.7mph).
Average humidity in April
Jamestown, CO
- Average humidity in April: 58%
The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in April
Jamestown, CO
- Average rainfall in April: 1.65"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in April
Jamestown, CO
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in April
Jamestown, CO
- Average snowfall in April: 7.76"
The month with the highest snowfall is April (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Jamestown, CO
- Average snowfall days in April: 4.9 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Jamestown, 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 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in April
Jamestown, CO
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in April
Jamestown, 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, November and December (UV index 2).
Average cloud cover in April
Jamestown, CO
- Average cloud cover in April: 28
The months with the most cloud cover are April and May (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in April
Jamestown, 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).
Jamestown, Colorado, USA
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