Climate and monthly weather forecastGreenfield, NH
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Greenfield, New Hampshire, with an average temperature fluctuating between 16°F (-8.9°C) and 28.6°F (-1.9°C). During the coldest month, January, temperatures average 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 another freezing cold month in Greenfield, New Hampshire, with an average temperature fluctuating between 17.4°F (-8.1°C) and 31.3°F (-0.4°C). Greenfield, New Hampshire, experiences an average high-temperature of a still subzero cold 31.3°F (-0.4°C) in February, subtly different from January's 28.6°F (-1.9°C). Weather in February »Weather in March
March, the first month of the spring in Greenfield, is a cold month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 39.4°F (4.1°C). A minor escalation in the average high-temperature is seen with the onset of March, moving 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 is a fresh spring month in Greenfield, New Hampshire, with an average temperature varying between 52.9°F (11.6°C) and 36°F (2.2°C). The shift from March to April brings an increase in the average high-temperature, moving from an icy 39.4°F (4.1°C) to a cool 52.9°F (11.6°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Greenfield, New Hampshire, with an average temperature fluctuating between 46°F (7.8°C) and 65.3°F (18.5°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a fresh 52.9°F (11.6°C) to a refreshing 65.3°F (18.5°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Greenfield, New Hampshire, with an average temperature ranging between max 73.2°F (22.9°C) and min 53.6°F (12°C). With the onset of June, Greenfield's average high-temperature sees a modest rise, moving from May's enjoyable 65.3°F (18.5°C) to an agreeable 73.2°F (22.9°C). Weather in June »Weather in July
July is a warm summer month in Greenfield, New Hampshire, with an average temperature ranging between max 79.3°F (26.3°C) and min 60.3°F (15.7°C). July, with its average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 60.3°F (15.7°C), holds the record as the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Greenfield, New Hampshire, with an average temperature varying between 77.7°F (25.4°C) and 58.6°F (14.8°C). August experiences an average high-temperature of a still moderately hot 77.7°F (25.4°C), barely different from July's 79.3°F (26.3°C). Weather in August »Weather in September
September, the first month of the autumn in Greenfield, is also an agreeable month, with an average temperature ranging between max 70.5°F (21.4°C) and min 52°F (11.1°C). September is marked by a subtle drop in average high-temperatures, transitioning from a warm 77.7°F (25.4°C) in August to a pleasant 70.5°F (21.4°C). Weather in September »Weather in October
October, the same as September, in Greenfield, New Hampshire, is another mild autumn month, with an average temperature varying between 42.6°F (5.9°C) and 56.7°F (13.7°C). Greenfield's progression into October includes a drop in the average high-temperature, from a pleasant 70.5°F (21.4°C) in September to a mild 56.7°F (13.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Greenfield, New Hampshire, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 31.6°F (-0.2°C). The shift to November brings a decrease in the average high-temperature, falling from a refreshing 56.7°F (13.7°C) in October to a frosty 44.8°F (7.1°C). Weather in November »Weather in December
December, the first month of the winter in Greenfield, is still a cold month, with an average temperature ranging between min 23°F (-5°C) and max 33.6°F (0.9°C). The shift from November to December corresponds with a decrease in the average high-temperature, down to an icy 33.6°F (0.9°C) from a chilly 44.8°F (7.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Greenfield, 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
Greenfield, 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
Greenfield, 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
Greenfield, NH
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Greenfield, 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
Greenfield, 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
Greenfield, 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
Greenfield, 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
Greenfield, NH
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
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 48min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 36min
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
Greenfield, 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
Greenfield, 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
Greenfield, 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
Greenfield, 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).





