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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
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Greenville, New Hampshire, with an average temperature varying between 16°F (-8.9°C) and 28.6°F (-1.9°C). In Greenville, January is the coldest month, with temperatures averaging a high of 28.6°F (-1.9°C) and a low of 16°F (-8.9°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Greenville, New Hampshire, with an average temperature varying between 17.4°F (-8.1°C) and 31.3°F (-0.4°C). As February unfolds, the average high-temperature reaches a still subzero cold 31.3°F (-0.4°C), hinting at a slight fluctuation from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Greenville, is a wintry month, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 25.2°F (-3.8°C). Greenville's transition into March sees a mild rise in the average high-temperature, edging from a freezing cold 31.3°F (-0.4°C) in February to an icy 39.4°F (4.1°C). Weather in March »
Weather in April
April in Greenville, New Hampshire, is a cool spring month, with temperature in the range of an average high of 52.9°F (11.6°C) and an average low of 36°F (2.2°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from an icy 39.4°F (4.1°C) in March to a fresh 52.9°F (11.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Greenville, New Hampshire, with an average temperature fluctuating between 65.3°F (18.5°C) and 46°F (7.8°C). Greenville's weather in May shows a rise in the average high-temperature, moving up from April's cool 52.9°F (11.6°C) to an enjoyable 65.3°F (18.5°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Greenville, New Hampshire, with an average temperature varying between 73.2°F (22.9°C) and 53.6°F (12°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's comfortable 65.3°F (18.5°C) to a pleasant 73.2°F (22.9°C). Weather in June »
Weather in July
July is a warm summer month in Greenville, New Hampshire, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 60.3°F (15.7°C). July, characterized by an average high temperature of 79.3°F (26.3°C) and a low temperature of 60.3°F (15.7°C), is generally the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Greenville, New Hampshire, with an average temperature ranging between max 77.7°F (25.4°C) and min 58.6°F (14.8°C). The dawn of August sees an average high-temperature of a still moderately hot 77.7°F (25.4°C), subtly contrasting with July's 79.3°F (26.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Greenville, is still a pleasant month, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 52°F (11.1°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 77.7°F (25.4°C) to a pleasant 70.5°F (21.4°C). Weather in September »
Weather in October
October, the same as September, in Greenville, New Hampshire, is a moderate autumn month, with an average temperature fluctuating between 56.7°F (13.7°C) and 42.6°F (5.9°C). Greenville's average high-temperature decreases in October, falling from an agreeable 70.5°F (21.4°C) in September to a moderate 56.7°F (13.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Greenville, is also a frosty month, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 44.8°F (7.1°C). The onset of November introduces a moderate change in Greenville's weather, with average high-temperatures falling from October's refreshing 56.7°F (13.7°C) to a frosty 44.8°F (7.1°C). Weather in November »
Weather in December
December, the first month of the winter in Greenville, is still a cold month, with temperature in the range of an average high of 33.6°F (0.9°C) and an average low of 23°F (-5°C). December comes with a drop in the average high-temperature, falling from November's frosty 44.8°F (7.1°C) to an icy 33.6°F (0.9°C). Weather in December »
Updated: Jul 15, 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 is the coldest month of the year, registering average temperatures as high as 28.6°F (-1.9°C) and as low as 16°F (-8.9°C).
How much does it rain?
Throughout the year, there are 113.8 rainfall days, and 12.44" (316mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
In Greenville, during the entire year, snow falls for 45.3 days and aggregates up to 18.78" (477mm) of snow.
When is 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?
With an average relative humidity of 84%, February is the most humid month in Greenville.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.4h 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.
What is the least humid month?
The least humid month is April, with an average relative humidity of 73%.
When it does not snow?
In Greenville, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What are the warmest months in Greenville?
Greenville's July weather reaches an average high of 79.3°F (26.3°C) and an average low of 60.3°F (15.7°C), making it the warmest month.
What is the rainiest month?
July is the month with the most rainfall in Greenville. Rain falls for 13.3 days and accumulates 1.34" (34mm) of precipitation.
What is the month with the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.2h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 10.1 days and typically collects 0.71" (18mm) of precipitation.
What is the snowiest month?
The month with the most snowfall is November, when snow falls for 4.7 days and typically aggregates up to 3.9" (99mm) of snow.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Greenville, NH
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure
Greenville, 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:
30"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
Greenville, NH
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Greenville, NH
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Greenville, NH
- Average rainfall in January:
0.79" - Average rainfall in February:
0.79" - Average rainfall in March:
0.94" - Average rainfall in April:
1.06" - Average rainfall in May:
1.14" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.02" - Average rainfall in September:
0.71" - Average rainfall in October:
1.18" - Average rainfall in November:
1.3" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days
Greenville, NH
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
7.5 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall
Greenville, NH
- Average snowfall in January:
3.15" - Average snowfall in February:
3.27" - Average snowfall in March:
2.76" - Average snowfall in April:
1.69" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is November (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Greenville, NH
- Average snowfall days in January:
9 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
9 days - Average snowfall days in April:
3.5 days - Average snowfall days in May:
0.7 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:
1.2 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Greenville, NH
- Average daylight in January:
9h and 3min - 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 5min - 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 5min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 3min - 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Greenville, NH
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.9 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (14.3 days).
Average UV index
Greenville, NH
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Greenville, NH
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Greenville, NH
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).