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
January tends to be the coldest month, with temperatures averaging a daily high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).Humidity
The average relative humidity in January is 78%.Rainfall
In Bethlehem, during January, the rain falls for 8.1 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Bethlehem, during the entire year, the rain falls for 161.7 days and collects up to 34.65" (880mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Bethlehem. In Bethlehem, Connecticut, in January, snow falls for 9.8 days, with typically accumulated 5.24" (133mm) of snow. Throughout the year, there are 39.4 snowfall days, and 24.37" (619mm) of snow is accumulated.Daylight
In January, the average length of the day in Bethlehem is 9h and 34min.On the first day of January, sunrise is at 7:19 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:06 pm EST.
Sunshine
The average sunshine in January in Bethlehem is 4.8h.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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. 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 is the coldest month in Bethlehem?
How cold is it in Bethlehem in January?
What is the average humidity in January in Bethlehem?
How many days does it rain in January in Bethlehem?
How much does it snow in Bethlehem in January?
How many hours of daylight does Bethlehem have in January?
When are sunrise and sunset in January in Bethlehem?
How long on average sun shines in January in Bethlehem?
When is the lowest UV index in Bethlehem?
What is the UV index reading in January in Bethlehem?
Average temperature in January
Bethlehem, CT
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Bethlehem, CT
- Average pressure in January: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Bethlehem, CT
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Bethlehem, CT
- Average humidity in January: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Bethlehem, CT
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in January
Bethlehem, CT
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is June (17.7 days).
The months with the least rainy days are January and February (8.1 days).
Average snowfall in January
Bethlehem, CT
- Average snowfall in January: 5.24"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Bethlehem, CT
- 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
Bethlehem, CT
- 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 12min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Bethlehem, CT
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in January
Bethlehem, CT
- Average UV index in January: 2
The months with the highest UV index are 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
Bethlehem, CT
- Average cloud cover in January: 47
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Bethlehem, CT
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Bethlehem, Connecticut, USA
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