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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, New Hampshire, is a freezing cold winter month, with an average temperature varying between 9.1°F (-12.7°C) and 22.5°F (-5.3°C). Jefferson's January weather, marked by an average high temperature of 22.5°F (-5.3°C) and an average low temperature of 9.1°F (-12.7°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Jefferson, is also a subzero cold month, with an average temperature varying between 25°F (-3.9°C) and 10.4°F (-12°C). Jefferson's weather, upon February's arrival, documents an average high-temperature of a still freezing cold 25°F (-3.9°C), nearly identical to the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Jefferson, New Hampshire, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 18.3°F (-7.6°C). Jefferson's transition into March is marked by a minor temperature shift, moving from a freezing cold 25°F (-3.9°C) in February to a cold 33.1°F (0.6°C). Weather in March »
Weather in April
April is a frosty spring month in Jefferson, New Hampshire, with an average temperature fluctuating between 29.7°F (-1.3°C) and 46°F (7.8°C). Jefferson's transition into April sees a rise in the average high-temperature, advancing from a cold 33.1°F (0.6°C) in March to a frosty 46°F (7.8°C). Weather in April »
Weather in May
May, the last month of the spring in Jefferson, is a comfortable month, with an average temperature varying between 41.4°F (5.2°C) and 61.7°F (16.5°C). May is characterized by a noticeable escalation in the average high-temperature, rising from a frosty 46°F (7.8°C) in April to an enjoyable 61.7°F (16.5°C). Weather in May »
Weather in June
June, the first month of the summer in Jefferson, is a pleasant month, with an average temperature fluctuating between 48.2°F (9°C) and 68.5°F (20.3°C). June marks a minor ascent in the average high-temperature, adjusting from May's refreshing 61.7°F (16.5°C) to a pleasant 68.5°F (20.3°C). Weather in June »
Weather in July
July in Jefferson, New Hampshire, is a warm summer month, with an average temperature ranging between min 53.8°F (12.1°C) and max 74.8°F (23.8°C). Jefferson's July weather, with an average high temperature of 74.8°F (23.8°C) and an average low temperature of 53.8°F (12.1°C), tends to be the warmest of the year. Weather in July »
Weather in August
August, the last month of the summer in Jefferson, is also a moderately hot month, with an average temperature varying between 52°F (11.1°C) and 73.4°F (23°C). August's average high-temperature is a still warm 73.4°F (23°C), maintaining a close comparison with July's 74.8°F (23.8°C). 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 min 46.2°F (7.9°C) and max 65.8°F (18.8°C). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 73.4°F (23°C) in August to an enjoyable 65.8°F (18.8°C). Weather in September »
Weather in October
October, like September, in Jefferson, New Hampshire, is a cool autumn month, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 52.2°F (11.2°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a comfortable 65.8°F (18.8°C) in September to a cool 52.2°F (11.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Jefferson, New Hampshire, with an average temperature fluctuating between 38.8°F (3.8°C) and 27.3°F (-2.6°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's fresh 52.2°F (11.2°C) to a wintry 38.8°F (3.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Jefferson, New Hampshire, with an average temperature ranging between min 17.6°F (-8°C) and max 28°F (-2.2°C). In December, the average high-temperature decreases from an icy 38.8°F (3.8°C) in November to a subzero cold 28°F (-2.2°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Jefferson?
Jefferson experiences its average lowest temperatures in January, reaching a peak of 22.5°F (-5.3°C) and a minimum of 9.1°F (-12.7°C).
What is the most humid month in Jefferson?
January and February, with an average relative humidity of 89%, are most humid months.
How many days does it rain in Jefferson?
In Jefferson, New Hampshire, during the entire year, the rain falls for 159.6 days and collects up to 31.97" (812mm) of precipitation.
When does it snow in Jefferson?
Months with snowfall in Jefferson, New Hampshire, are January through May, October through December.
How many days does it snow in Jefferson?
Throughout the year, in Jefferson, New Hampshire, there are 109.1 snowfall days, and 71.5" (1816mm) of snow is accumulated.
What is the month with the lowest UV index in Jefferson?
The months with the lowest UV index in Jefferson, New Hampshire, are January, February and December, with an average maximum UV index of 1.
When does it snow the most in Jefferson?
The month with the most snowfall in Jefferson is February, when snow falls for 20.7 days and typically aggregates up to 14.88" (378mm) of snow.
What is the month with the least sunshine in Jefferson?
February has the least sunshine of the year in Jefferson, with an average of 2.7h of sunshine.
When is Daylight Saving Time (DST) in Jefferson?
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 Jefferson?
The month with the most rainfall in Jefferson is April, when the rain falls for 15.2 days and typically aggregates up to 3.31" (84mm) of precipitation.
What is the least humid month in Jefferson?
May is the least humid month, with an average relative humidity of 77%.
When it does not snow in Jefferson?
June through September are months without snowfall in Jefferson.
When are the longest days in Jefferson?
June has the longest days of the year in Jefferson, New Hampshire, with an average of 15h and 30min of daylight.
What is the month with the highest UV index in Jefferson?
The months with the highest UV index in Jefferson, New Hampshire, are June and July, with an average maximum UV index of 5.
What are the warmest months in Jefferson?
July is the month that records the highest temperatures in Jefferson, New Hampshire, with averages ranging from a high of 74.8°F (23.8°C) to a low of 53.8°F (12.1°C).
What month has the most sunshine in Jefferson?
August has the most sunshine of the year, with an average of 9.5h of sunshine.
What is the driest month in Jefferson?
The month with the least rainfall in Jefferson, New Hampshire, is September, when the rain falls for 13.4 days and typically collects 2.17" (55mm) of precipitation.
What is the month with the shortest days in Jefferson?
The month with the shortest days in Jefferson is December, with an average of 8h and 54min of daylight.
Average temperature
Jefferson, NH
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.5°F).
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure
Jefferson, NH
- Average pressure in January:
30"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.98"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:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Jefferson, NH
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.7mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.9mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Jefferson, NH
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall
Jefferson, NH
- Average rainfall in January:
2.56" - Average rainfall in February:
2.28" - Average rainfall in March:
2.36" - Average rainfall in April:
3.31" - Average rainfall in May:
2.8" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.28" - Average rainfall in September:
2.17" - Average rainfall in October:
3.27" - Average rainfall in November:
2.6" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days
Jefferson, NH
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
18.9 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
16 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is January (5.7 days).
Average snowfall
Jefferson, NH
- Average snowfall in January:
14.41" - Average snowfall in February:
14.88" - Average snowfall in March:
11.02" - Average snowfall in April:
9.02" - Average snowfall in May:
1.65" - Average snowfall in June:
0"
The month with the highest snowfall is February (14.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jefferson, NH
- Average snowfall days in January:
21.2 days - Average snowfall days in February:
20.7 days - Average snowfall days in March:
19.8 days - Average snowfall days in April:
11.1 days - Average snowfall days in May:
1.6 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:
3.9 days - Average snowfall days in November:
10.4 days - Average snowfall days in December:
20.4 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jefferson, NH
- 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:
2h and 5min - Average sunshine in February:
2h and 4min - Average sunshine in March:
4h and 0min - Average sunshine in April:
6h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 1min - Average sunshine in December:
3h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days
Jefferson, NH
- Average sunshine days in January:
8.9 days - Average sunshine days in February:
7 days - Average sunshine days in March:
7.2 days - Average sunshine days in April:
8.4 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
9.2 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
11.1 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7 days).
Average UV index
Jefferson, NH
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Jefferson, NH
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility
Jefferson, NH
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
Jefferson, New Hampshire, USA
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