What is the hottest month in Haverhill?

July is the warmest month in Haverhill, with an average high of 82.4°F.

What is the coldest month in Haverhill?

January is the coldest month in Haverhill, with an average low of 16.2°F.

What month does Haverhill get the most rain?

October is typically the wettest month in Haverhill, with about 5.32 inches of precipitation.

What plant hardiness zone is Haverhill in?

Haverhill is approximately in USDA plant hardiness Zone 7a, based on the average annual extreme minimum temperature.

Has the climate in Haverhill changed recently?

8.7% of Haverhill's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Haverhill, MA

Climate overview — based on NOAA 1991-2020 normals from HAVERHILL, MA US.

Dfa Hot-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Haverhill has an annual average temperature of 48.4°F with about 49.6 inches of precipitation per year and 57.8 inches of snow. The warmest month is July (average high 82.4°F), and the coldest is January (average low 16.2°F). October is typically the wettest month (5.32 in) and January the driest (3.53 in). Snow typically falls from November through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

46.2°F

warmest to coldest month

Heating need

6,333

HDD/yr

Cooling need

363

CDD/yr

Best time to visit Haverhill

Full guide →

Climate change signal

All-time records →

32 of 366 (8.7%) of Haverhill's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1900s		20
1910s		29
1920s		37
1930s		36
1940s		28
1950s		29
1960s		25
1970s		33
1980s		23
1990s		29
2000s		36
2010s		25
2020s		16

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	34.9°F	16.2°F	25.6°F	3.53 in	16.2 in	11
February	37.6°F	16.9°F	27.2°F	3.59 in	15.6 in	10
March	45.0°F	24.3°F	34.7°F	4.80 in	11.9 in	11
April	57.0°F	34.3°F	45.6°F	4.29 in	1.8 in	12
May	67.5°F	44.8°F	56.1°F	4.08 in	—	13
June	76.4°F	54.4°F	65.4°F	4.23 in	—	11
July	82.4°F	61.1°F	71.8°F	3.55 in	—	10
August	81.1°F	58.8°F	69.9°F	3.76 in	—	9
September	73.5°F	51.1°F	62.3°F	4.01 in	—	9
October	61.8°F	39.6°F	50.7°F	5.32 in	0.1 in	12
November	50.5°F	30.6°F	40.5°F	3.90 in	1.4 in	11
December	40.2°F	22.3°F	31.2°F	4.52 in	10.8 in	12