April weather forecastJamestown, IN
April
Weather in April
April is a moderate spring month in Jamestown, Indiana, with an average temperature varying between 60.4°F (15.8°C) and 44.2°F (6.8°C).Temperature
Jamestown in April experiences an increase in the average high-temperature, moving from March's frosty 48.7°F (9.3°C) to a moderate 60.4°F (15.8°C). In Jamestown, an average low-temperature of 44.2°F (6.8°C) is recorded during April nights.Humidity
The average relative humidity in April is 77%.Rainfall
The month with the most rainfall is April, when the rain falls for 15.8 days and typically aggregates up to 3.86" (98mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Jamestown. During 1.3 snowfall days, in April, Jamestown aggregates 0.47" (12mm) of snow. Throughout the year, there are 40.6 snowfall days, and 13.46" (342mm) of snow is accumulated.Daylight
In Jamestown, the average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 7:29 am and sunset at 8:11 pm. On the last day of April, sunrise is at 6:46 am and sunset at 8:40 pm EDT.
Sunshine
In Jamestown, the average sunshine in April is 6.7h.UV index
In Jamestown, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in April suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Jamestown, IN
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
Jamestown, IN
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Jamestown, IN
- Average wind speed in April: 10.1mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Jamestown, IN
- Average humidity in April: 77%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Jamestown, IN
- Average rainfall in April: 3.86"
The wettest month (with the highest rainfall) is April (3.86").
The driest months (with the least rainfall) are February and November (1.85").
Average rainfall days in April
Jamestown, IN
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in April
Jamestown, IN
- Average snowfall in April: 0.47"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Jamestown, IN
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Jamestown, IN
- Average daylight in April: 13h and 18min
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: 6h and 42min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Jamestown, IN
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in April
Jamestown, IN
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Jamestown, IN
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Jamestown, IN
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





