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
In Bethany Beach, January is the coldest month, with temperatures averaging a high of 41.7°F (5.4°C) and a low of 33.4°F (0.8°C).Humidity
In January, the average relative humidity in Bethany Beach is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 8.5 days and accumulates 1.38" (35mm) of precipitation.Snowfall
January through March and December are months with snowfall in Bethany Beach. January is the month with the most snowfall. Snow falls for 2.8 days and accumulates 0.55" (14mm) of snow.Daylight
The average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:17 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in January is 5.4h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In January, the UV index of 2 transforms into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Bethany Beach have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Bethany Beach, DE
- Average high temperature in January: 41.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in January: 33.4°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in January
Bethany Beach, DE
- Average pressure in January: 30.09"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
Bethany Beach, DE
- Average wind speed in January: 13.5mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in January
Bethany Beach, DE
- Average humidity in January: 74%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall in January
Bethany Beach, DE
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in January
Bethany Beach, DE
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in January
Bethany Beach, DE
- Average snowfall in January: 0.55"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Bethany Beach, DE
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is January (2.8 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
Bethany Beach, DE
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Bethany Beach, DE
- Average sunshine days in January: 18.4 days
The months with the most sunshine days are January and November (18.4 days).
The month with the least sunshine days is August (13.2 days).
Average UV index in January
Bethany Beach, DE
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Bethany Beach, DE
- Average cloud cover in January: 43
The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Bethany Beach, DE
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Bethany Beach, Delaware, USA
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