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
January
Weather in January
Temperature
The month of January sees the lowest average temperatures, reaching 2.3°C (36.1°F) at the peak and -2°C (28.4°F) at the low.Humidity
January is the most humid month in Philadelphia, Germany, with an average relative humidity of 89%.Rainfall
In Philadelphia, during January, the rain falls for 10.3 days and regularly aggregates up to 20mm (0.79") of precipitation. In Philadelphia, during the entire year, the rain falls for 142 days and collects up to 267mm (10.51") of precipitation.Snowfall
Months with snowfall in Philadelphia are January through April, November and December. January is the month with the most snowfall. Snow falls for 9 days and accumulates 37mm (1.46") of snow.Daylight
In January, the average length of the day in Philadelphia is 8h and 20min.On the first day of January, sunrise is at 08:13 and sunset at 16:01. On the last day of the month, sunrise is at 07:47 and sunset at 16:48 CET.
Sunshine
With an average of 3.2h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index in Philadelphia is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, a regular UV index of 2 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Philadelphia?
How cold is January in Philadelphia?
What is the most humid month in Philadelphia?
What is the average humidity in January in Philadelphia?
How much does it rain in Philadelphia in January?
What is the snowiest month in Philadelphia?
How much does it snow in Philadelphia in January?
What is the average length of the day in January in Philadelphia?
What time are sunrise and sunset in January in Philadelphia?
What is the month with the least sunshine in Philadelphia?
How many hours of sunshine does Philadelphia have in January?
What is the UV index intensity in January in Philadelphia?
Average temperature in January
Philadelphia, Germany
- Average high temperature in January: 2.3°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in January: -2°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in January
Philadelphia, Germany
- Average pressure in January: 1016.1mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).
Average wind speed in January
Philadelphia, Germany
- Average wind speed in January: 13.9km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in January
Philadelphia, Germany
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in January
Philadelphia, Germany
- Average rainfall in January: 20mm
The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in January
Philadelphia, Germany
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in January
Philadelphia, Germany
- Average snowfall in January: 37mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Philadelphia, Germany
- Average snowfall days in January: 9 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Philadelphia, Germany
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in January
Philadelphia, Germany
- Average sunshine days in January: 12.6 days
The months with the most sunshine days are September and October (16.9 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in January
Philadelphia, Germany
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Philadelphia, Germany
- Average cloud cover in January: 69
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Philadelphia, Germany
- Average visibility in January: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, November and December (8km).
