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's weather in April presents a rise in the average high-temperature, moving from a frosty 44.4°F (6.9°C) in March to a mild 56.5°F (13.6°C). Stillwater, during April, witnesses an average low-temperature of 38.3°F (3.5°C).Humidity
With an average relative humidity of 77%, April is the least humid month.Rainfall
The months with the most rainfall are April and May, with an average 2.99" (76mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Stillwater. In Stillwater, during April, snow falls for 1.8 days and regularly aggregates up to 0.35" (9mm) of snow. In Stillwater, during the entire year, snow falls for 47.6 days and aggregates up to 22.91" (582mm) of snow.Daylight
The average length of the day in April in Stillwater, Pennsylvania, is 13h and 20min.On the first day of April, sunrise is at 6:47 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:01 pm EDT.
Sunshine
The average sunshine in April in Stillwater is 7.6h.UV index
In Stillwater, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in April in Stillwater?
What is the least humid month in Stillwater?
What is the average humidity in April in Stillwater?
What is the wettest month in Stillwater?
How many days does it rain in April in Stillwater?
How many days does it snow in April in Stillwater?
What is the average length of the day in April in Stillwater?
When 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, PA
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 38.3°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in April
Stillwater, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Stillwater, PA
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Stillwater, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Stillwater, PA
- Average rainfall in April: 2.99"
The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Stillwater, PA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in April
Stillwater, PA
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Stillwater, PA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Stillwater, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in April
Stillwater, PA
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in April
Stillwater, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Stillwater, PA
- Average cloud cover in April: 50
The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Stillwater, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Stillwater, Pennsylvania, USA
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