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
Stillwater in April denotes a subtle temperature transition, adjusting from an average high of a refreshing 61.7°F (16.5°C) in March to a pleasant 69.4°F (20.8°C). In April, Stillwater experiences a temperature dip to an average of 50.5°F (10.3°C) at night.Humidity
The average relative humidity in April is 69%.Rainfall
In Stillwater, in April, during 13.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Stillwater, during the entire year, the rain falls for 121.4 days and collects up to 25.28" (642mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 8min.On the first day of April, sunrise is at 7:13 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:15 pm CDT.
Sunshine
In Stillwater, the average sunshine in April is 8.5h.UV index
In Stillwater, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 5 during April morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are April temperatures in Stillwater?
What is the average humidity in April in Stillwater?
How much does it rain in Stillwater in April?
When it does not snow in Stillwater?
Does it snow in Stillwater in April?
What is the average length of the day in April in Stillwater?
What time are sunrise and sunset in April in Stillwater?
How long on average sun shines in April in Stillwater?
What is the UV index reading in April in Stillwater?
Average temperature in April
Stillwater, OK
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in April: 50.5°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Stillwater, 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 (29.87"Hg).
Average wind speed in April
Stillwater, OK
- Average wind speed in April: 11.5mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in April
Stillwater, OK
- Average humidity in April: 69%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (62%).
Average rainfall in April
Stillwater, OK
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in April
Stillwater, OK
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Stillwater, OK
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Stillwater, OK
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (2.8 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
Stillwater, OK
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in April
Stillwater, OK
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in April
Stillwater, 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
Stillwater, OK
- Average cloud cover in April: 36
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in April
Stillwater, 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).
Stillwater, Oklahoma, USA
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