April weather forecastJamestown, CA
April
Weather in April
April in Jamestown, California, is a refreshing spring month, with an average temperature varying between 43.3°F (6.3°C) and 65.3°F (18.5°C).Temperature
April's onset brings a minor rise in the average high-temperature, moving from a refreshing 59.4°F (15.2°C) in March to a comfortable 65.3°F (18.5°C). Jamestown's average low-temperature of 43.3°F (6.3°C) in April reflects a significant disparity from the daytime highs.Humidity
In Jamestown, the average relative humidity in April is 64%.Rainfall
In Jamestown, during April, the rain falls for 9.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 76.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
In Jamestown, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 13min.On the first day of April, sunrise is at 6:45 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:52 pm PDT.
Sunshine
In Jamestown, the average sunshine in April is 10.3h.UV index
In April, the average daily maximum UV index in Jamestown is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In April, a daily UV index of 5 turns into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Jamestown, CA
- Average high temperature in April: 65.3°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in April
Jamestown, CA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Jamestown, CA
- Average wind speed in April: 5.7mph
The windiest months (with the highest average wind speed) are February, March and April (5.7mph).
The calmest months (with the lowest average wind speed) are November and December (4.7mph).
Average humidity in April
Jamestown, CA
- Average humidity in April: 64%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in April
Jamestown, CA
- Average rainfall in April: 2.05"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Jamestown, CA
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in April
Jamestown, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Jamestown, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Jamestown, CA
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 10h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in April
Jamestown, CA
- Average sunshine days in April: 19.5 days
The months with the most sunshine days are July and August (28.4 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in April
Jamestown, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in April
Jamestown, CA
- Average cloud cover in April: 26
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in April
Jamestown, CA
- 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).
