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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 Jefferson, Maine, is a freezing cold winter month, with an average temperature fluctuating between 29.8°F (-1.2°C) and 18.9°F (-7.3°C). The month of January sees the lowest average temperatures, reaching 29.8°F (-1.2°C) at the peak and 18.9°F (-7.3°C) at the low. Weather in January »
Weather in February
February, the last month of the winter in Jefferson, is another freezing cold month, with an average temperature varying between 30.9°F (-0.6°C) and 19.8°F (-6.8°C). On the advent of February, Jefferson's average high-temperature exhibits a minor adjustment to a still freezing cold 30.9°F (-0.6°C) from January's 29.8°F (-1.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Jefferson, Maine, with an average temperature ranging between max 37.6°F (3.1°C) and min 26.1°F (-3.3°C). As Jefferson welcomes March, the average high-temperature sees a modest rise, transitioning from a subzero cold 30.9°F (-0.6°C) in February to an icy 37.6°F (3.1°C). Weather in March »
Weather in April
April in Jefferson, Maine, is a chilly spring month, with an average temperature fluctuating between 36°F (2.2°C) and 47.8°F (8.8°C). A shift in the average high-temperature is noticeable in April, changing from a wintry 37.6°F (3.1°C) in March to a chilly 47.8°F (8.8°C). Weather in April »
Weather in May
May, the last month of the spring in Jefferson, is a moderate month, with an average temperature fluctuating between 58.3°F (14.6°C) and 45.1°F (7.3°C). Noticing a change, the average high-temperature during May moves from April's frosty 47.8°F (8.8°C) to a mild 58.3°F (14.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Jefferson, Maine, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 52.7°F (11.5°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a mild 58.3°F (14.6°C) to a comfortable 65.1°F (18.4°C). Weather in June »
Weather in July
July is a pleasant summer month in Jefferson, Maine, with an average temperature fluctuating between 72.3°F (22.4°C) and 59.2°F (15.1°C). July introduces a marginal temperature uplift, with average high-temperatures adjusting from June's enjoyable 65.1°F (18.4°C) to a pleasant 72.3°F (22.4°C). Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Jefferson, Maine, with an average temperature fluctuating between 58.8°F (14.9°C) and 72.7°F (22.6°C). With average temperatures fluctuating between a high of 72.7°F (22.6°C) and a low of 58.8°F (14.9°C), August stands out as the warmest month. Weather in August »
Weather in September
September, the first month of the autumn in Jefferson, is still a comfortable month, with an average temperature ranging between max 66.6°F (19.2°C) and min 53.4°F (11.9°C). Jefferson's September weather features a light decline in high-temperatures, reducing from a pleasant 72.7°F (22.6°C) in August to a refreshing 66.6°F (19.2°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Jefferson, Maine, with an average temperature fluctuating between 45.3°F (7.4°C) and 56.1°F (13.4°C). The onset of October comes with a shift in the average high-temperature, falling from an enjoyable 66.6°F (19.2°C) in September to a mild 56.1°F (13.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Jefferson, is another chilly month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 45°F (7.2°C). As October transitions into November, Jefferson sees a drop in the average high-temperature, transitioning from a mild 56.1°F (13.4°C) to a chilly 45°F (7.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Jefferson, Maine, with an average temperature varying between 25.9°F (-3.4°C) and 35.2°F (1.8°C). The commencement of December involves a temperature shift, with the average high-temperature dropping from a frosty 45°F (7.2°C) in November to a cold 35.2°F (1.8°C). Weather in December »
Updated: Aug 17, 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 is the coldest time of year?
January proves to be the coldest month, recording an average maximum temperature of 29.8°F (-1.2°C) and a minimum temperature of 18.9°F (-7.3°C).
How many days does it rain?
In Jefferson, during the entire year, the rain falls for 144.1 days and collects up to 29.29" (744mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month in Jefferson?
The month with the most snowfall is January, when snow falls for 9.3 days and typically aggregates up to 4.37" (111mm) of snow.
How many days does it snow?
In Jefferson, during the entire year, snow falls for 40 days and aggregates up to 18.27" (464mm) of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine in Jefferson?
The months with the least sunshine are February and December, with an average of 4.6h of sunshine.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
May through September are months without snowfall.
What is the most humid month?
June and July, with an average relative humidity of 83%, are most humid months in Jefferson.
When are the longest days?
June has the longest days of the year, with an average of 15h and 30min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 5.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 13.7 days and typically collects 1.57" (40mm) of precipitation.
What is the warmest month?
August is the warmest month in Jefferson, exhibiting average temperatures of 72.7°F (22.6°C) at the peak and 58.8°F (14.9°C) at the base.
What month has the most sunshine?
With an average of 10.4h of sunshine, August has the most sunshine of the year.
What is the least humid month?
November is the least humid month, with an average relative humidity of 76%.
What is the rainiest month?
The month with the most rainfall is December, when the rain falls for 11.4 days and typically aggregates up to 3.27" (83mm) of precipitation.
What is the month with the shortest days?
With an average of 8h and 54min of daylight, December has the shortest days of the year in Jefferson.
Average temperature
Jefferson, ME
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Jefferson, 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:
29.95"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Jefferson, ME
- Average wind speed in January:
11.6mph - Average wind speed in February:
11.5mph - Average wind speed in March:
11.5mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.4mph - Average wind speed in December:
11mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Jefferson, ME
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall
Jefferson, ME
- Average rainfall in January:
2.44" - Average rainfall in February:
2.2" - Average rainfall in March:
2.28" - Average rainfall in April:
2.99" - Average rainfall in May:
2.24" - Average rainfall in June:
2.52"
- Average rainfall in July:
1.57" - Average rainfall in August:
2.01" - Average rainfall in September:
1.61" - Average rainfall in October:
3.15" - Average rainfall in November:
2.99" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days
Jefferson, ME
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
13.7 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).
Average snowfall
Jefferson, ME
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jefferson, ME
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
2.6 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jefferson, ME
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - 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 3min
- 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:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days
Jefferson, ME
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
12 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
15 days - Average sunshine days in August:
16.6 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
15.9 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).
Average UV index
Jefferson, 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, November and December (UV index 2).
Average cloud cover
Jefferson, ME
The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Jefferson, ME
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).
Jefferson, Maine, USA
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