April weather forecastFoster City, MI
April
Weather in April
April is a frosty spring month in Foster City, Michigan, with an average temperature varying between 47.5°F (8.6°C) and 31.5°F (-0.3°C).Temperature
A rise in the average high-temperature is observed during April, moving from a cold 35.8°F (2.1°C) in March to a frosty 47.5°F (8.6°C). Nighttime temperature lowers to an average of 31.5°F (-0.3°C) in April.Humidity
In Foster City, the average relative humidity in April is 77%.Rainfall
In Foster City, in April, during 12.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Foster City, during the entire year, the rain falls for 137.4 days and collects up to 22.83" (580mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Foster City, during April, snow falls for 8.3 days and regularly aggregates up to 6.81" (173mm) of snow. In Foster City, Michigan, during the entire year, snow falls for 92.1 days and aggregates up to 41.26" (1048mm) of snow.Daylight
The average length of the day in April is 13h and 35min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:38 am and sunset at 7:58 pm CDT.
Sunshine
In April, the average sunshine is 6.9h.UV index
In Foster City, Michigan, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Foster City, MI
- Average high temperature in April: 47.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (21°F).
- Average low temperature in April: 31.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in April
Foster City, MI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Foster City, MI
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Foster City, MI
- Average humidity in April: 77%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in April
Foster City, MI
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in April
Foster City, MI
- Average rainfall days in April: 12.8 days
The months with the highest number of rainy days are May, June and July (15.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in April
Foster City, MI
- Average snowfall in April: 6.81"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Foster City, MI
- Average snowfall days in April: 8.3 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Foster City, MI
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 6h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in April
Foster City, MI
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in April
Foster City, MI
- 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, March, November and December (UV index 1).
Average cloud cover in April
Foster City, MI
- Average cloud cover in April: 54
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in April
Foster City, MI
- Average visibility in April: 5mi
The months with the highest visibility are May, June, October and November (6mi).
The month with the lowest visibility is February (4mi).
