July weather forecast
Lynn, MA

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Large rocks on the shores of the coast of Lynn Massachusetts
Large rocks on the shores of the coast of Lynn Massachusetts

Weather in July

July in Lynn, the peak of summer, is typified by high temperatures, longer daylight periods, and minimal rainfall. It records the highest average temperature rise to 80.4°F (26.9°C) and the sea surface temperature reaching its peak at 65.9°F (18.8°C). The daylight hour is at its maximum, giving plenty of time to explore the city. Rainfall and wind speeds are at their lowest, so outdoor activities are less likely to be interrupted. People flock to the coastline in droves, making it a lively and vibrant time of year.

Temperature

During the warmest month in Lynn, July, temperatures average a high of 80.4°F (26.9°C) and a low of 65.3°F (18.5°C).

Humidity

In Lynn, Massachusetts, the average relative humidity in July is 73%.

Rainfall

In Lynn, in July, during 15.2 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Lynn, during the entire year, the rain falls for 144.9 days and collects up to 27.91" (709mm) of precipitation.

Snowfall

In Lynn, snow does not fall in May through September.

Ocean temperature

In July, the average ocean temperature is 65.8°F (18.8°C).
Note: Swimming becomes less enjoyable for most at a surface water temperature of 65.8°F (18.8°C). As the temperature decreases below 69.8°F (21°C), breathing becomes increasingly difficult.

Daylight

The average length of the day in July in Lynn is 14h and 56min.
On the first day of July, sunrise is at 5:10 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:04 pm EDT.

Sunshine

In July, the average sunshine is 10h.

UV index

The months with the highest UV index in Lynn are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 during July translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What month is the hottest in Lynn?

July is the warmest month of the year, registering average temperatures as high as 80.4°F (26.9°C) and as low as 65.3°F (18.5°C).

What is the temperature in July in Lynn?

In July, the average high-temperature and low-temperature in Lynn are 80.4°F (26.9°C) and 65.3°F (18.5°C) respectively.

What is the average humidity in July in Lynn?

In July, the average relative humidity is 73%.

How many days does it rain in July in Lynn?

In Lynn, Massachusetts, in July, it is raining for 15.2 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Lynn?

May through September are months without snowfall in Lynn.

What is the ocean temperature in July in Lynn?

In Lynn, the average seawater temperature in July is 65.8°F (18.8°C). For swimming, a surface water temperature of 65.8°F (18.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in July in Lynn?

In Lynn, Massachusetts, the average day length in July is 14h and 56min.

When are sunrise and sunset in July in Lynn?

On the first day of July in Lynn, sunrise is at 5:10 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:04 pm EDT.

How long on average sun shines in July in Lynn?

In Lynn, the average sunshine duration in July is 10h.

What are the months with the highest UV index in Lynn?

The months with the highest UV index in Lynn are June through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Lynn?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
73°F 22.8°C
80.4°F 26.9°C
79.3°F 26.3°C
Average low temperature
57.4°F 14.1°C
65.3°F 18.5°C
64.6°F 18.1°C
Average pressure
29.92" 760mmHg
29.94" 760mmHg
29.97" 761mmHg
Average wind speed
7.3mph 11.7km/h
6.7mph 10.8km/h
6.6mph 10.6km/h
Average max. wind speed
7.8mph 12.6km/h
7.3mph 11.7km/h
7.2mph 11.6km/h
Average wind speed gusts
11.6mph 18.7km/h
10.7mph 17.2km/h
10.4mph 16.7km/h
Average humidity
74%
73%
73%
Average rainfall
2.24" 57mm
1.97" 50mm
1.81" 46mm
Average rainfall days
14
15.2
13.2
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
58.2°F 14.6°C
65.9°F 18.8°C
67.6°F 19.8°C
Average daylight
15h 1min
14h 5min
13h 5min
Average sunshine
9h 1min
10h 0min
10h 2min
Average sunshine days
14.4
14.5
16.1
Average UV index
6
6
6
Average cloud cover
41%
34%
32%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in July
Lynn, MA

Average temperature in July - Lynn, MA
  • Average high temperature in July: 80.4°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in July: 65.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in July
Lynn, MA

Average pressure in July - Lynn, MA
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in July
Lynn, MA

Average wind speed in July - Lynn, MA
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in July
Lynn, MA

Average humidity in July - Lynn, MA
  • Average humidity in July: 73%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in July
Lynn, MA

Average rainfall in July - Lynn, MA
  • Average rainfall in July: 1.97"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in July
Lynn, MA

Average rainfall days in July - Lynn, MA
  • Average rainfall days in July: 15.2 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in July
Lynn, MA

Average snowfall in July - Lynn, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Lynn, MA

Average snowfall days in July - Lynn, MA
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in July
Lynn, MA

Average sea temperature in July - Lynn, MA
  • Average sea temperature in July: 65.9°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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Average daylight in July /
Average sunshine in July
Lynn, MA

Average daylight in July / Average sunshine in July - Lynn, MA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in July: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days in July
Lynn, MA

Average sunshine days in July - Lynn, MA
  • Average sunshine days in July: 14.5 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in July
Lynn, MA

Average UV index in July - Lynn, MA
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in July
Lynn, MA

Average cloud cover in July - Lynn, MA
  • Average cloud cover in July: 34

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in July
Lynn, MA

Average visibility in July - Lynn, MA
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Lynn, Massachusetts, USA

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