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 37.6°F (3.1°C) and a low of 25.3°F (-3.7°C).Humidity
The average relative humidity in January is 75%.Rainfall
In Forest Hill, in January, it is raining for 8.3 days, with typically 2.17" (55mm) of accumulated precipitation. In Forest Hill, during the entire year, the rain falls for 155.7 days and collects up to 32.64" (829mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Forest Hill, in January, snow falls for 5.6 days, with typically accumulated 2.28" (58mm) of snow. In Forest Hill, during the entire year, snow falls for 19.9 days and aggregates up to 9.72" (247mm) of snow.Daylight
In Forest Hill, the average length of the day in January 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 January, the average sunshine in Forest Hill is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are the coldest months in Forest Hill?
How cold is it in Forest Hill in January?
What is the average humidity in January in Forest Hill?
How much does it rain in Forest Hill in January?
How many days does it snow in January in Forest Hill?
How many hours of daylight does Forest Hill have in January?
What time are sunrise and sunset in January in Forest Hill?
How many hours of sunshine does Forest Hill have in January?
When is the lowest UV index in Forest Hill?
What is the UV index reading in January in Forest Hill?
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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