Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Rittenhouse's coldest month, January, generally records average temperatures ranging from a high of 30.6°F (-0.8°C) to a low of 18.5°F (-7.5°C).Humidity
In January, the average relative humidity in Rittenhouse, Pennsylvania, is 82%.Rainfall
The months with the least rainfall are January and September Rain falls for 8.3 days and accumulates 2.09" (53mm) of rain.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 11.7 days. Throughout January, 5" (127mm) of snow is accumulated. Throughout the year, there are 41.1 snowfall days, and 21.38" (543mm) of snow is accumulated.Daylight
In Rittenhouse, the average length of the day in January is 9h and 36min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:19 pm EST.
Sunshine
The months with the least sunshine in Rittenhouse are January and February, with an average of 3.7h of sunshine.UV index
In January, the average daily maximum UV index in Rittenhouse is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What part of the year is the coldest in Rittenhouse?
How cold is January in Rittenhouse?
What is the average humidity in January in Rittenhouse?
What is the driest month in Rittenhouse?
How many days does it rain in January in Rittenhouse?
How much does it snow in Rittenhouse in January?
How many hours of daylight does Rittenhouse have in January?
When are sunrise and sunset in January in Rittenhouse?
What are the months with the least sunshine in Rittenhouse?
How many hours of sunshine does Rittenhouse have in January?
What is the UV index reading in January in Rittenhouse?
Average temperature in January
Rittenhouse, PA
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in January
Rittenhouse, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Rittenhouse, PA
- Average wind speed in January: 8mph
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 (5.1mph).
Average humidity in January
Rittenhouse, PA
- Average humidity in January: 82%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in January
Rittenhouse, PA
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").
Average rainfall days in January
Rittenhouse, PA
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in January
Rittenhouse, PA
- Average snowfall in January: 5"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rittenhouse, PA
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rittenhouse, PA
- Average daylight in January: 9h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in January
Rittenhouse, PA
- Average sunshine days in January: 14.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in January
Rittenhouse, PA
- Average UV index in January: 2
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 January
Rittenhouse, PA
- Average cloud cover in January: 60
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in January
Rittenhouse, PA
- Average visibility in January: 5mi
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).
Rittenhouse, Pennsylvania, USA
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