July weather forecastCalais, ME
July
Weather in July
July is the peak of the summer in Calais, boasting the highest temperatures of the year with averages from 56.8°F (13.8°C) to 74.8°F (23.8°C). This substantial surge in temperature is complemented by the longest daylight hours, typically 15.2 in total. Akin to June, the days in July see more sunshine and fewer rainy days, with rainfall recorded only on 15.1 days. While the city enjoys the heat and longer days, the evenings offer a pleasant break from the vibrant summer days. With 9.3 hours of average daily sunshine, July truly represents the heart of the summer.Temperature
Calais reaches its highest average temperatures in July, measuring 74.8°F (23.8°C) at the peak and 56.8°F (13.8°C) at the lowest.Humidity
The average relative humidity in July is 79%.Rainfall
In Calais, in July, during 15.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 155.3 rainfall days, and 32.48" (825mm) of precipitation is accumulated.Snowfall
In Calais, snow does not fall in June through September.Daylight
In Calais, the average length of the day in July is 15h and 14min.On the first day of the month, sunrise is at 5:45 am and sunset at 9:20 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:57 pm ADT.
Sunshine
The average sunshine in July is 9.3h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In July, a daily maximum UV index of 5 leads to the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Calais, ME
- Average high temperature in July: 74.8°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in July: 56.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in July
Calais, ME
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Calais, ME
- Average wind speed in July: 6.2mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in July
Calais, ME
- Average humidity in July: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (78%).
Average rainfall in July
Calais, ME
- Average rainfall in July: 1.93"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is August (1.77").
Average rainfall days in July
Calais, ME
- Average rainfall days in July: 15.1 days
The month with the highest number of rainy days is April (17.2 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in July
Calais, ME
- Average snowfall in July: 0"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Calais, ME
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Calais, ME
- Average daylight in July: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 9h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in July
Calais, ME
- Average sunshine days in July: 14.1 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (8.5 days).
Average UV index in July
Calais, 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
Calais, ME
- Average cloud cover in July: 42
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in July
Calais, ME
- Average visibility in July: 5mi
The months with the highest visibility are May, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, June, July, August and September (5mi).





