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
The coming of April brings a minor shift in Foster's weather, with average high-temperatures adjusting from March's enjoyable 64°F (17.8°C) to a pleasant 71.4°F (21.9°C). An average low-temperature of 52.3°F (11.3°C) is common in Foster during the nights of April.Humidity
The average relative humidity in April is 68%.Rainfall
In Foster, in April, during 12.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 119.9 rainfall days, and 24.65" (626mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Foster, Oklahoma. April is the last month it regularly snows. During 0.1 snowfall days, in April, Foster aggregates 0.04" (1mm) of snow. Throughout the year, in Foster, there are 5.2 snowfall days, and 3.11" (79mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 5min.On the first day of April, sunrise is at 7:15 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:14 pm CDT.
Sunshine
In Foster, the average sunshine in April is 8.5h.UV index
The average daily maximum UV index in April in Foster is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, the average maximum UV index of 5 translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What are April temperatures in Foster?
What is the average humidity in April in Foster?
How much does it rain in Foster in April?
What is the last month it snows in Foster?
What is the average length of the day in April in Foster?
When are sunrise and sunset in April in Foster?
How many hours of sunshine does Foster have in April?
How high is the UV index in April in Foster?
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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