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 stands out as Derby's coldest month, with temperatures ranging between an average high of 24.3°F (-4.3°C) and a low of 11.1°F (-11.6°C).Humidity
In Derby, the average relative humidity in January is 86%.Rainfall
In Derby, during January, the rain falls for 7.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 146.2 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Derby, during January, snow falls for 14.2 days and regularly aggregates up to 8.03" (204mm) of snow. Throughout the year, there are 65.9 snowfall days, and 37.6" (955mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 13min.On the first day of January in Derby, sunrise is at 7:14 am and sunset at 4:03 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:41 pm EST.
Sunshine
In Derby, the average sunshine in January is 4.2h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Derby. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Derby?
How cold is January in Derby?
What is the average humidity in January in Derby?
How many days does it rain in January in Derby?
How much does it snow in Derby in January?
How many hours of daylight does Derby have in January?
What time are sunrise and sunset in January in Derby?
How long on average sun shines in January in Derby?
What are the months with the lowest UV index in Derby?
How high is the UV index in January in Derby?
Average temperature in January
Derby, ME
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 11.1°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in January
Derby, ME
- Average pressure in January: 29.96"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Derby, ME
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Derby, ME
- Average humidity in January: 86%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in January
Derby, ME
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in January
Derby, ME
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in January
Derby, ME
- Average snowfall in January: 8.03"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Derby, ME
- Average snowfall days in January: 14.2 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Derby, ME
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in January
Derby, ME
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in January
Derby, ME
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Derby, ME
- Average cloud cover in January: 55
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in January
Derby, ME
- Average visibility in January: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Derby, Maine, USA
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