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
The coldest temperatures occur during January, when averages reach a peak of 37.9°F (3.3°C) and a low of 26.1°F (-3.3°C).Humidity
In Gwynn Oak, the average relative humidity in January is 74%.Rainfall
January and February are months with the least rain in Gwynn Oak, Maryland, when the rain falls for 9.1 days and typically aggregates up to 2.01" (51mm) of rain.Snowfall
January through April, November and December are months with snowfall. In Gwynn Oak, in January, during 5.3 snowfall days, 2.24" (57mm) of snow is typically accumulated. Throughout the year, there are 18.7 snowfall days, and 8.54" (217mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 46min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:53 pm. On the last day of January, in Gwynn Oak, sunrise is at 7:14 am and sunset at 5:25 pm EST.
Sunshine
The average sunshine in January in Gwynn Oak is 5.1h.UV index
The months with the lowest UV index in Gwynn Oak are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note well! The intensity of the Sun's UV rays can be nearly doubled by 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 does it get in January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Gwynn Oak have in January?
When are sunrise and sunset in January?
How long on average sun shines in January in Gwynn Oak?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Gwynn Oak, MD
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Gwynn Oak, MD
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Gwynn Oak, MD
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in January
Gwynn Oak, MD
- Average humidity in January: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Gwynn Oak, MD
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is August (3.94").
The driest months (with the least rainfall) are January and February (2.01").
Average rainfall days in January
Gwynn Oak, MD
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in January
Gwynn Oak, MD
- Average snowfall in January: 2.24"
The month with the highest snowfall is March (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Gwynn Oak, MD
- Average snowfall days in January: 5.3 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Gwynn Oak, MD
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Gwynn Oak, MD
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in January
Gwynn Oak, MD
- 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, February, November and December (UV index 2).
Average cloud cover in January
Gwynn Oak, MD
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Gwynn Oak, MD
- 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).
Gwynn Oak, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location