July weather forecastSouthwest Harbor, ME
July
Weather in July
July in Southwest Harbor, Maine, is a pleasant summer month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 73.2°F (22.9°C).Temperature
A slight uplift in the average high-temperature marks July, adjusting from June's comfortable 66°F (18.9°C) to a pleasant 73.2°F (22.9°C). An average low-temperature of 58.1°F (14.5°C) is recorded during the nights in July.Humidity
In Southwest Harbor, the average relative humidity in July is 80%.Rainfall
The month with the least rainfall is July, when the rain falls for 13 days and typically collects 1.57" (40mm) of precipitation.Snowfall
In Southwest Harbor, snow does not fall in June through September.Daylight
In July, the average length of the day in Southwest Harbor is 15h and 8min.On the first day of the month, sunrise is at 4:53 am and sunset at 8:20 pm. On the last day of July, sunrise is at 5:20 am and sunset at 7:58 pm EDT.
Sunshine
In July, the average sunshine is 9.6h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Southwest Harbor. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in July translates into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Southwest Harbor, ME
- Average high temperature in July: 73.2°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in July: 58.1°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in July
Southwest Harbor, ME
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Southwest Harbor, ME
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in July
Southwest Harbor, ME
- Average humidity in July: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in July
Southwest Harbor, ME
- Average rainfall in July: 1.57"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in July
Southwest Harbor, ME
- Average rainfall days in July: 13 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in July
Southwest Harbor, ME
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Southwest Harbor, ME
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Southwest Harbor, ME
- Average daylight in July: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in July: 9h and 36min
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 in July
Southwest Harbor, ME
- Average sunshine days in July: 16.6 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in July
Southwest Harbor, ME
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in July
Southwest Harbor, ME
- Average cloud cover in July: 39
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in July
Southwest Harbor, ME
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
