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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 Hillsboro, New Hampshire, is a freezing cold winter month, with an average temperature varying between 27.7°F (-2.4°C) and 14.5°F (-9.7°C). Temperature readings reach their annual highs in January, averaging 27.7°F (-2.4°C) and a minimum average of 14.5°F (-9.7°C). Weather in January »
Weather in February
February, the last month of the winter in Hillsboro, is also a subzero cold month, with temperature in the range of an average high of 30.2°F (-1°C) and an average low of 16.3°F (-8.7°C). The unfolding of February shows an average high-temperature of a still freezing cold 30.2°F (-1°C), indicating a slight variance from January's 27.7°F (-2.4°C). Weather in February »
Weather in March
March, the first month of the spring in Hillsboro, is a cold month, with an average temperature varying between 23.4°F (-4.8°C) and 38.5°F (3.6°C). The start of March is characterized by a subtle increase in the average high-temperature, transitioning from a subzero cold 30.2°F (-1°C) in February to a cold 38.5°F (3.6°C). Weather in March »
Weather in April
April in Hillsboro, New Hampshire, is a cool spring month, with an average temperature varying between 52.3°F (11.3°C) and 34.7°F (1.5°C). As April arrives, Hillsboro's weather shows an increase in high-temperatures, moving from March's icy 38.5°F (3.6°C) to a fresh 52.3°F (11.3°C). Weather in April »
Weather in May
May, the last month of the spring in Hillsboro, is an enjoyable month, with an average temperature ranging between max 65.5°F (18.6°C) and min 45.1°F (7.3°C). The onset of May brings a rise in the average high-temperature, elevating from a cool 52.3°F (11.3°C) in April to a refreshing 65.5°F (18.6°C). Weather in May »
Weather in June
June, the first month of the summer in Hillsboro, is a pleasant month, with an average temperature ranging between min 52.7°F (11.5°C) and max 73°F (22.8°C). A subtle rise in the average high-temperature is observed during June, adjusting from a comfortable 65.5°F (18.6°C) in May to a pleasant 73°F (22.8°C). Weather in June »
Weather in July
July is a moderately hot summer month in Hillsboro, New Hampshire, with an average temperature ranging between max 79.7°F (26.5°C) and min 59°F (15°C). In Hillsboro, July is the month with the highest recorded average temperatures, measuring a high of 79.7°F (26.5°C) and a low of 59°F (15°C). Weather in July »
Weather in August
August, the last month of the summer in Hillsboro, is another warm month, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 57°F (13.9°C). August ushers in an average high-temperature of a still moderately hot 77.7°F (25.4°C), aligning closely with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Hillsboro, is also an agreeable month, with an average temperature ranging between min 50.5°F (10.3°C) and max 70°F (21.1°C). September brings a minor shift in the average high-temperature, adjusting from a warm 77.7°F (25.4°C) in August to an agreeable 70°F (21.1°C). Weather in September »
Weather in October
October, the same as September, in Hillsboro, New Hampshire, is another refreshing autumn month, with an average temperature ranging between max 56.5°F (13.6°C) and min 41.5°F (5.3°C). October weather is marked by a drop in the average high-temperature, falling from a pleasant 70°F (21.1°C) in September to a refreshing 56.5°F (13.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Hillsboro, is another chilly month, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 31.1°F (-0.5°C). The commencement of November indicates a shift in the average high-temperature, receding from October's moderate 56.5°F (13.6°C) to a chilly 44.1°F (6.7°C). Weather in November »
Weather in December
December, the first month of the winter in Hillsboro, is also an icy month, with an average temperature fluctuating between 22.3°F (-5.4°C) and 32.9°F (0.5°C). Hillsboro's transition into December involves a shift in temperature, receding from a chilly 44.1°F (6.7°C) in November to a cold 32.9°F (0.5°C). Weather in December »
Updated: Jul 7, 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?
Hillsboro's temperature records reveal January as the coldest month, marked by average highs of 27.7°F (-2.4°C) and lows of 14.5°F (-9.7°C).
How many days does it rain?
Throughout the year, in Hillsboro, New Hampshire, there are 147.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, there are 54.9 snowfall days, and 37.2" (945mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.
What is the most humid month?
The most humid month is February, with an average relative humidity of 85%.
What is the snowiest month in Hillsboro?
The month with the most snowfall is February, when snow falls for 12.6 days and typically aggregates up to 10.12" (257mm) of snow.
What is the month with the least sunshine in Hillsboro?
With an average of 4.1h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST) in Hillsboro?
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 least humid month in Hillsboro?
With an average relative humidity of 74%, April is the least humid month.
When it does not snow?
In Hillsboro, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
What part of the year is the hottest?
In Hillsboro, the average temperatures in July are the highest, with a peak at 79.7°F (26.5°C) and a low of 59°F (15°C).
When is the highest UV index?
July and August, with an average maximum UV index of 6, are months with the highest UV index.
What month has the most sunshine?
With an average of 10.1h of sunshine, August has the most sunshine of the year.
What is the driest month in Hillsboro?
September is the month with the least rainfall. Rain falls for 12 days and accumulates 2.17" (55mm) of precipitation.
What is the wettest month?
The month with the most rainfall is October, when the rain falls for 13.5 days and typically aggregates up to 3.46" (88mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Hillsboro, NH
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.7°F).
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure
Hillsboro, NH
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Hillsboro, NH
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.5mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Hillsboro, NH
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Hillsboro, NH
- Average rainfall in January:
2.2" - Average rainfall in February:
2.36" - Average rainfall in March:
2.32" - Average rainfall in April:
2.8" - Average rainfall in May:
2.44" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.2" - Average rainfall in September:
2.17" - Average rainfall in October:
3.46" - Average rainfall in November:
2.83" - Average rainfall in December:
3.07"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days
Hillsboro, NH
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
12 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
11.1 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall
Hillsboro, NH
- Average snowfall in January:
7.95" - Average snowfall in February:
10.12" - Average snowfall in March:
6.65" - Average snowfall in April:
1.69" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (10.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hillsboro, NH
- Average snowfall days in January:
12.1 days - Average snowfall days in February:
12.6 days - Average snowfall days in March:
11.8 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.3 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:
0.6 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hillsboro, NH
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - 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:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days
Hillsboro, NH
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
12.1 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
14.8 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
14.9 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (12.1 days).
Average UV index
Hillsboro, NH
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Hillsboro, NH
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Hillsboro, NH
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).
Hillsboro, New Hampshire, USA
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