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
With average temperatures fluctuating between a high of 33.6°F (0.9°C) and a low of 21.6°F (-5.8°C), January stands out as the coldest month.Humidity
In January, the average relative humidity is 78%.Rainfall
In Millerstown, during January, the rain falls for 8.3 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Millerstown, Pennsylvania, during the entire year, the rain falls for 157.4 days and collects up to 28.46" (723mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 9.8 days. Throughout January, 3.31" (84mm) of snow is accumulated. Throughout the year, there are 32.9 snowfall days, and 13.94" (354mm) of snow is accumulated.Daylight
In Millerstown, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:32 am and sunset at 4:52 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:24 pm EST.
Sunshine
January and February, with an average of 4.2h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Millerstown have in January?
When are sunrise and sunset in January?
What are the months with the least sunshine?
How many hours of sunshine does Millerstown have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Millerstown, PA
- Average high temperature in January: 33.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Millerstown, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Millerstown, PA
- Average wind speed in January: 7.5mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in January
Millerstown, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Millerstown, PA
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in January
Millerstown, PA
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Millerstown, PA
- Average snowfall in January: 3.31"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Millerstown, PA
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Millerstown, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in January
Millerstown, PA
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Millerstown, PA
- Average UV index in January: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Millerstown, PA
- Average cloud cover in January: 53
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Millerstown, PA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, May, August, September and October (5mi).
Millerstown, Pennsylvania, USA
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