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
In Foster, the onset of April comes with a modest high-temperature shift, transitioning from March's enjoyable 64°F (17.8°C) to an agreeable 71.4°F (21.9°C). During the month of April, the temperature generally drops to a low average of 52.3°F (11.3°C).Humidity
In April, the average relative humidity is 68%.Rainfall
In April, the rain falls for 12.8 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. In Foster, during the entire year, the rain falls for 119.9 days and collects up to 24.65" (626mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Foster aggregates 0.04" (1mm) of snow. In Foster, during the entire year, snow falls for 5.2 days and aggregates up to 3.11" (79mm) of snow.Daylight
In April, the average length of the day is 13h and 5min.On the first day of the month, sunrise is at 7:15 am and sunset at 7:51 pm. On the last day of April, sunrise is at 6:39 am and sunset at 8:14 pm CDT.
Sunshine
In April, the average sunshine is 8.5h.UV index
The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows in Foster?
How many hours of daylight does Foster have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Foster have in April?
What is the UV index intensity in April?
Average temperature in April
Foster, OK
- Average high temperature in April: 71.4°F
The warmest months (with the highest average high temperature) are July and August (93.9°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in April: 52.3°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in April
Foster, OK
- Average pressure in April: 29.9"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Foster, OK
- Average wind speed in April: 11.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in April
Foster, OK
- Average humidity in April: 68%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).
Average rainfall in April
Foster, OK
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in April
Foster, OK
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in April
Foster, OK
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Foster, OK
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Foster, OK
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in April
Foster, OK
- Average sunshine days in April: 15.6 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in April
Foster, OK
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in April
Foster, OK
- Average cloud cover in April: 34
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in April
Foster, OK
- 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).
Foster, Oklahoma, USA
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