Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Derby, Maine, is a freezing cold winter month, with an average temperature ranging between max 24.3°F (-4.3°C) and min 11.1°F (-11.6°C). 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). Weather in January »
Weather in February
February, the last month of the winter in Derby, is another freezing cold month, with an average temperature varying between 26.1°F (-3.3°C) and 12.6°F (-10.8°C). At the start of February, Derby's average high-temperature reaches a still freezing cold 26.1°F (-3.3°C), subtly different from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Derby, Maine, with an average temperature fluctuating between 34.3°F (1.3°C) and 19.9°F (-6.7°C). March marks a minor ascent in the average high-temperature, adjusting from February's subzero cold 26.1°F (-3.3°C) to a wintry 34.3°F (1.3°C). Weather in March »
Weather in April
April is a frosty spring month in Derby, Maine, with an average temperature fluctuating between 48.2°F (9°C) and 31.8°F (-0.1°C). April sees a rise in the average high-temperature, climbing from a cold 34.3°F (1.3°C) in March to a chilly 48.2°F (9°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Derby, Maine, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 42.4°F (5.8°C). May signals a shift in the average high-temperature, moving from April's chilly 48.2°F (9°C) to a refreshing 62.2°F (16.8°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Derby, Maine, with an average temperature ranging between min 50°F (10°C) and max 70.2°F (21.2°C). Derby's transition into June sees a mild rise in the average high-temperature, edging from an enjoyable 62.2°F (16.8°C) in May to an agreeable 70.2°F (21.2°C). Weather in June »
Weather in July
July is a warm summer month in Derby, Maine, with an average temperature fluctuating between 77.5°F (25.3°C) and 56.8°F (13.8°C). Derby's July weather reaches an average high of 77.5°F (25.3°C) and an average low of 56.8°F (13.8°C), making it the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Derby, is another warm month, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 75.9°F (24.4°C). The shift into August uncovers an average high-temperature of a still moderately hot 75.9°F (24.4°C), subtly different from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Derby, Maine, with an average temperature varying between 48.7°F (9.3°C) and 68.4°F (20.2°C). September brings a slight decrease in the average high-temperature, shifting from a moderately hot 75.9°F (24.4°C) in August to a pleasant 68.4°F (20.2°C). Weather in September »
Weather in October
October, like September, in Derby, Maine, is a cool autumn month, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 54.5°F (12.5°C). Derby, Maine, experiences a temperature shift at the start of October, with average high-temperatures adjusting from an agreeable 68.4°F (20.2°C) in September to a fresh 54.5°F (12.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Derby, is also a wintry month, with an average temperature ranging between max 41.5°F (5.3°C) and min 29.1°F (-1.6°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a fresh 54.5°F (12.5°C) in October to a wintry 41.5°F (5.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Derby, Maine, with an average temperature fluctuating between 29.5°F (-1.4°C) and 18.9°F (-7.3°C). Onset of December comes with a temperature decline, the average high falling from a cold 41.5°F (5.3°C) in November to a subzero cold 29.5°F (-1.4°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Derby?
In Derby, Maine, the lowest temperatures are generally noted in January, averaging a high of 24.3°F (-4.3°C) and a low of 11.1°F (-11.6°C).
How much does it rain in Derby?
Throughout the year, there are 146.2 rainfall days, and 27.17" (690mm) of precipitation is accumulated.
When does it snow in Derby?
January through May, October through December are months with snowfall.
How many days does it snow in Derby?
Throughout the year, there are 65.9 snowfall days, and 37.6" (955mm) of snow is accumulated.
What are the months with the lowest UV index in Derby?
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month in Derby?
February is the most humid month, with an average relative humidity of 88%.
When does it snow the most in Derby?
February is the month with the most snowfall. Snow falls for 15.3 days and accumulates 8.35" (212mm) of snow.
What is the month with the least sunshine in Derby?
With an average of 3.7h of sunshine, February has the least sunshine of the year in Derby, Maine.
When is Daylight Saving Time (DST) in Derby?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the rainiest month in Derby?
April is the month with the most rainfall in Derby. Rain falls for 15.3 days and accumulates 2.91" (74mm) of precipitation.
What is the least humid month in Derby?
The least humid month is May, with an average relative humidity of 75%.
When it does not snow in Derby?
June through September are months without snowfall.
When are the longest days in Derby?
With an average of 15h and 36min of daylight, June has the longest days of the year in Derby.
When is the highest UV index in Derby?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What time of the year is the hottest in Derby?
In Derby, July is identified by the average highest temperatures, reaching a peak of 77.5°F (25.3°C) and a low of 56.8°F (13.8°C).
What is the driest month in Derby?
July is the month with the least rainfall. Rain falls for 16.6 days and accumulates 1.57" (40mm) of precipitation.
What month has the most sunshine in Derby?
With an average of 9.7h of sunshine, August has the most sunshine of the year in Derby.
What is the month with the shortest days in Derby?
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Derby, ME
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).
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
Derby, ME
- Average pressure in January:
29.96"Hg - Average pressure in February:
29.96"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30"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
Derby, ME
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.2mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.8mph
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
Derby, ME
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Derby, ME
- Average rainfall in January:
2.01" - Average rainfall in February:
1.81" - Average rainfall in March:
1.61" - Average rainfall in April:
2.91" - Average rainfall in May:
2.52" - Average rainfall in June:
2.48"
- Average rainfall in July:
1.57" - Average rainfall in August:
2.32" - Average rainfall in September:
2.32" - Average rainfall in October:
2.83" - Average rainfall in November:
2.24" - Average rainfall in December:
2.52"
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
Derby, ME
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
13 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
9.1 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
Derby, ME
- Average snowfall in January:
8.03" - Average snowfall in February:
8.35" - Average snowfall in March:
4.88" - Average snowfall in April:
4.88" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
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
Derby, ME
- Average snowfall days in January:
14.2 days - Average snowfall days in February:
15.3 days - Average snowfall days in March:
12.7 days - Average snowfall days in April:
5.2 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.8 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
12.1 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 / Average sunshine
Derby, ME
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
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 - Average sunshine in February:
3h and 4min - Average sunshine in March:
4h and 5min - Average sunshine in April:
6h and 4min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 5min - Average sunshine in November:
4h and 5min - Average sunshine in December:
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
Derby, ME
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
15.6 days - Average sunshine days in December:
14 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
Derby, ME
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
Derby, ME
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
Derby, ME
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
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location