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
Forest Hill's coldest weather arrives in January, when temperatures average a high of 37.6°F (3.1°C) and a low of 25.3°F (-3.7°C).Humidity
In Forest Hill, the average relative humidity in January is 75%.Rainfall
In Forest Hill, in January, during 8.3 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 155.7 rainfall days, and 32.64" (829mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Forest Hill, during January, snow falls for 5.6 days and regularly aggregates up to 2.28" (58mm) of snow. Throughout the year, in Forest Hill, there are 19.9 snowfall days, and 9.72" (247mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 45min.On the first day of January, sunrise is at 7:26 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:23 pm EST.
Sunshine
In Forest Hill, Maryland, the average sunshine in January is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
Is January cold?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January in Forest Hill?
When is the sunrise / sunset in January?
How many hours of sunshine does Forest Hill have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Forest Hill, MD
- Average high temperature in January: 37.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in January: 25.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in January
Forest Hill, MD
- 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 (29.94"Hg).
Average wind speed in January
Forest Hill, MD
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Forest Hill, MD
- Average humidity in January: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Forest Hill, MD
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in January
Forest Hill, MD
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Forest Hill, MD
- Average snowfall in January: 2.28"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Forest Hill, MD
- Average snowfall days in January: 5.6 days
The months with the highest number of snowfall days are January and February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Forest Hill, 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 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Forest Hill, MD
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Forest Hill, 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
Forest Hill, MD
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Forest Hill, MD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Forest Hill, Maryland, USA
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