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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Stillwater, Pennsylvania, is another subzero cold winter month, with an average temperature ranging between max 31.8°F (-0.1°C) and min 19°F (-7.2°C). Stillwater's January weather reaches an average high of 31.8°F (-0.1°C) and an average low of 19°F (-7.2°C), making it the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Stillwater, Pennsylvania, with an average temperature fluctuating between 35.2°F (1.8°C) and 21°F (-6.1°C). February's advent presents an average high-temperature of a wintry 35.2°F (1.8°C), indicating a slight variation from the conditions of the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Stillwater, Pennsylvania, with an average temperature fluctuating between 28.8°F (-1.8°C) and 44.4°F (6.9°C). As March arrives, a rise in the average high-temperature is observed, moving from a cold 35.2°F (1.8°C) in February to a frosty 44.4°F (6.9°C). Weather in March »
Weather in April
April is a moderate spring month in Stillwater, Pennsylvania, with an average temperature ranging between max 56.5°F (13.6°C) and min 38.3°F (3.5°C). 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). Weather in April »
Weather in May
May, the last month of the spring in Stillwater, is a pleasant month, with an average temperature ranging between max 68.4°F (20.2°C) and min 48.7°F (9.3°C). The start of May brings a rise in the average high-temperature, moving from a refreshing 56.5°F (13.6°C) in April to an agreeable 68.4°F (20.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Stillwater, Pennsylvania, with an average temperature fluctuating between 75.7°F (24.3°C) and 55°F (12.8°C). Stillwater in June observes a minor temperature shift, with average high-temperatures adjusting from a pleasant 68.4°F (20.2°C) in May to a warm 75.7°F (24.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Stillwater, Pennsylvania, with an average temperature varying between 59.5°F (15.3°C) and 81.3°F (27.4°C). In Stillwater, July is identified by the highest average temperatures, reaching a peak of 81.3°F (27.4°C) and a low of 59.5°F (15.3°C). During July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Stillwater, Pennsylvania, with an average temperature ranging between max 78.6°F (25.9°C) and min 57.7°F (14.3°C). The transition into August notes an average high-temperature of a still moderately hot 78.6°F (25.9°C), revealing a mild distinction from the 81.3°F (27.4°C) in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Stillwater, Pennsylvania, with an average temperature ranging between min 52.2°F (11.2°C) and max 72.5°F (22.5°C). Stillwater's transition into September involves a gentle shift in temperature, receding from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Stillwater, Pennsylvania, is a moderate autumn month, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 59.9°F (15.5°C). Onset of October comes with a temperature decline, the average high falling from a pleasant 72.5°F (22.5°C) in September to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Stillwater, Pennsylvania, with an average temperature ranging between min 32.9°F (0.5°C) and max 47.3°F (8.5°C). The start of November involves a temperature drop, moving from a refreshing 59.9°F (15.5°C) in October to a chilly 47.3°F (8.5°C). Weather in November »
Weather in December
December, the first month of the winter in Stillwater, is still a cold month, with an average temperature varying between 37.6°F (3.1°C) and 27°F (-2.8°C). As December begins, there is a decrease in the average high-temperature, falling from a chilly 47.3°F (8.5°C) in November to a wintry 37.6°F (3.1°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Stillwater?
January is the coldest month in Stillwater, Pennsylvania, exhibiting average temperatures of 31.8°F (-0.1°C) at the peak and 19°F (-7.2°C) at the base.
How much does it rain in Stillwater?
In Stillwater, Pennsylvania, during the entire year, the rain falls for 166.3 days and collects up to 31.06" (789mm) of precipitation.
When does it snow in Stillwater?
Months with snowfall in Stillwater are January through May, October through December.
When does it snow the most in Stillwater?
January is the month with the most snowfall. Snow falls for 12.9 days and accumulates 5.94" (151mm) of snow.
How many days does it snow in Stillwater?
In Stillwater, Pennsylvania, during the entire year, snow falls for 47.6 days and aggregates up to 22.91" (582mm) of snow.
What is the most humid month in Stillwater?
With an average relative humidity of 83%, February is the most humid month in Stillwater, Pennsylvania.
What is the month with the least sunshine in Stillwater?
February has the least sunshine of the year in Stillwater, with an average of 3.8h of sunshine.
When is Daylight Saving Time (DST) in Stillwater?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Stillwater, Pennsylvania, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Stillwater?
April is the least humid month in Stillwater, with an average relative humidity of 77%.
What is the wettest month in Stillwater?
The months with the most rainfall in Stillwater are April and May, with an average 2.99" (76mm) of precipitation.
What are the months with the highest UV index in Stillwater?
The months with the highest UV index in Stillwater, Pennsylvania, are May through August, with an average maximum UV index of 5.
When it does not snow in Stillwater?
June through September are months without snowfall.
When are the longest days in Stillwater?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What part of the year is the hottest in Stillwater?
July, recording an average high temperature of 81.3°F (27.4°C) and a low temperature of 59.5°F (15.3°C), is Stillwater's warmest month.
What month has the most sunshine in Stillwater?
With an average of 10.2h of sunshine, July has the most sunshine of the year.
What is the driest month in Stillwater?
The month with the least rainfall in Stillwater is September, when the rain falls for 12.8 days and typically collects 2.05" (52mm) of precipitation.
What is the month with the shortest days in Stillwater?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
What is the month with the lowest UV index in Stillwater?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Stillwater, PA
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).
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
Stillwater, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.09"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
Stillwater, PA
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.5mph
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
Stillwater, PA
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Stillwater, PA
- Average rainfall in January:
2.44" - Average rainfall in February:
2.32" - Average rainfall in March:
2.56" - Average rainfall in April:
2.99" - Average rainfall in May:
2.99" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.68" - Average rainfall in September:
2.05" - Average rainfall in October:
2.68" - Average rainfall in November:
2.36" - Average rainfall in December:
2.52"
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
Stillwater, PA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
14 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
12.4 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
Stillwater, PA
- Average snowfall in January:
5.94" - Average snowfall in February:
5.83" - Average snowfall in March:
4.41" - Average snowfall in April:
0.35" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
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
Stillwater, PA
- Average snowfall days in January:
12.9 days - Average snowfall days in February:
12.1 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
9.4 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 / Average sunshine
Stillwater, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h 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 January:
3h and 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
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
Stillwater, PA
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
12.9 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
12.5 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
Stillwater, PA
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
Stillwater, PA
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
Stillwater, PA
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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